FDTD guide.pdf

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New Features

New features for version 6.5

Structure groups

Analysis (monitor) groups

Object tree browser

Built in script file editor

Script syntax highlighting

Copy and Paste

Dipole radiated power calculation

New MODE source script commands

New script functions

Online Help search bar

Simplified installation

Improved material fits

New features for version 6.0

Multi coefficient material model

Auto fitting of experimental data

Improved material database GUI

Expanded list of material data

Spectral averaging

More far field analysis

GUI upgrade

User defined source signals

Shorter source pulses

Unicode characters

New features for version 5.1

GDSII import

Improved figure windows

n and k import

Set view and orbit

Surface imports

Windows Vista support

New features for version 5.0

Graded mesh

Polygon and triangle primitives

Quadrics and Infinipath interconnects

Native support for the Windows x64 platform

Easier installation of parallel FDTD Solutions

Meshing improvements

Faster drawing modes for all primitives

Simulation auto shutoff

Improved movie monitors

The physics of the FDTD algorithm

FDTD and Maxwell's equations

Units and normalization

Source amplitudes

Frequency domain normalization

Spectral averaging

Calculating and normalizing power in the frequency domain

Integrating over lines, surfaces and volumes

Simulation objects

Structures tab

Geometry tab

Material tab

Rotations tab

Graphical Rendering tab

Custom tab

Import Data tab

nk material import window

Surface import window

Surface tab

Properties tab

Script tab

Simulation tab

General tab

Geometry tab

Mesh settings tab

Boundary conditions tab

Advanced options tab

Sources tab

General tab

Geometry tab

Frequency/Wavelength tab

Beam options tab

Advanced tab

Monitors tab

Frequency Power/Profile tab

Frequency Power/Profile Advanced tab

General tab

Data to record tab

Geometry tab

Spectral averaging and apodization tab

Advanced tab

Setup tab

Analysis tab

Equation interpreter

Integrated mode solver

Mode analysis

Plot and analysis options

Plot area

Advanced options

Material database

Models

Mesh order

Anisotropic materials

Material Explorer

CAD layout editor

Layout editor tabs and Objects tree

Main title bar

GDSII Import

Modifying your default settings

Toolbars

Edit

Mouse mode

View

Simulation

View ports

Script Prompt and Script Editor

Changing CAD layout

Running a simulation

Running a simulation from the command line

Analysis tools

Analysis tools and the simulation environment

The analysis window

Monitor properties tab

Far field settings tab

Analysis groups

Figure windows for plots and images

Data export

Scripting Language

System level

del

dir

pwd

exit

system

fileexists

currentfilename

filebasename

fileextension

filedirectory

Run script

getpath

addpath

which

pause

break

Excape key

File IO background

format

loaddata

savedata

savedcard

readdata

write

asapexport

asapload

asapimport

gdsimport

matlabsave

lum2mat

lum2mat command line

matlab

matlabget

matlabput

Manipulating variables

[]

linspace

matrix

randmatrix

meshgridx

meshgridy

meshgrid3dx

meshgrid3dy

meshgrid3dz

clear

workspace

Accessing and assigning matrix elements

Matrix operators

Pre-defined constants

Operators

almostequal

and

num2str

endl

comments

Functions

sin

cos

tan

asin

acos

atan

atan2

real

imag

conj

abs

angle

unwrap

log

log10

sqrt

exp

size

length

pinch

sum

max

min

interp

spline

integrate

find

findpeaks

transpose

ctranspose

fft

fftw

fftk

invfft

czt

round

rand

randreset

Loop and conditional statements

for

Plotting commands

plot

legend

image

setplot

selectfigure

exportfigure

closeall

Manipulating objects

deleteall

delete

selectall

unselectall

select

selectpartial

shiftselect

shiftselectpartial

move

copy

addtogroup

adduserprop

set

setnamed

setglobal

get

getnumber

getnamed

getnamednumber

getglobal

haveproperty

importsurface

importsurface2

importnk

importnk2

redraw

redrawoff

redrawon

redrawmode

setview

getview

orbit

undo

redo

Measurement data

showdata

havedata

copydcard

cleardcard

getdata

getelectric

getmagnetic

Read and write data to files

Material database

addmaterial

copymaterial

setmaterial

getmaterial

getindex

getfdtdindex

User defined GUIs

message

newwizard

newwizardpage

wizardwidget

runwizard

wizardgetdata

killwizard

wizardoption

fileopendialog

filesavedialog

FDTD Solutions toolbox

new2d

new3d

load

save

run

runparallel

setparallel

runanalysis

structures

simulation

sources

monitors

switchtolayout

layoutmode

addcircle

addcustom

addimport

addpyramid

addpoly

addrect

addring

addsphere

addsurface

addstructuregroup

addfdtd

addmesh

adddipole

addgaussian

addplane

addmode

addtfsf

addimportedsource

addindex

addtime

addmovie

addprofile

addpower

addanalysisgroup

setsourcesignal

updatesourcemode

clearsourcedata

getsourceangle

nonorm

cwnorm

sourcenorm

sourcenorm2_avg

sourcenorm2_pavg

dipolepower

sourcepower

sourcepower_avg

sourcepower_pavg

sourceintensity

sourceintensity_avg

sourceintensity_pavg

transmission

transmission_avg

transmission_pavg

Near to far field projections

farfieldfilter

farfield2d

farfieldvector2d

farfieldpolar2d

farfieldangle

farfield2dintegrate

farfield3d

farfieldvector3d

farfieldpolar3d

farfieldux

farfielduy

farfieldspherical

farfield3dintegrate

farfieldexact2d

farfieldexact3d

farfieldexact

Grating calculations

grating

gratingn

gratingm

gratingpolar

gratingvector

gratingperiod1

gratingperiod2

gratingbloch1

gratingu1

gratingu2

gratingangle

gratingbloch2

Creating your own script commands

Appendix

Software acknowledgement

Solutions FDTD Reference Guide Release 6.5

Contents 1 2 New features for version 6.0 Multi coefficient material model Auto fitting of experimental data Improved material database GUI Expanded list of material data Spectral averaging More far field analysis GUI upgrade User defined source signals Shorter source pulses Unicode characters 3 New features for version 5.1 Structure groups Analysis (monitor) groups Object tree browser Built in script file editor Script syntax highlighting Copy and Paste Dipole radiated power calculation New MODE source script commands New script functions Online Help search bar Simplified installation Improved material fits 10 ............................................................................................................ 10 ................................................................................................................................................. 10 ................................................................................................................................................. 10 ................................................................................................................................................. 10 ................................................................................................................................................. 10 ................................................................................................................................................. 11 ................................................................................................................................................. 11 ................................................................................................................................................. 11 ................................................................................................................................................. 11 ................................................................................................................................................. 11 ................................................................................................................................................. 11 ................................................................................................................................................. 12 ................................................................................................................................................. 12 ............................................................................................................ 12 ................................................................................................................................................. 12 ................................................................................................................................................. 12 ................................................................................................................................................. 12 ................................................................................................................................................. 13 ................................................................................................................................................. 13 ................................................................................................................................................. 13 ................................................................................................................................................. 13 ................................................................................................................................................. 13 ................................................................................................................................................. 14 ................................................................................................................................................. 14 ............................................................................................................ 14 ................................................................................................................................................. 14 ................................................................................................................................................. 14 ................................................................................................................................................. 14 ................................................................................................................................................. 14 ................................................................................................................................................. 15 ................................................................................................................................................. 15 ............................................................................................................ 15 ................................................................................................................................................. 15 ................................................................................................................................................. 15 ................................................................................................................................................. 15 ................................................................................................................................................. 15 ................................................................................................................................................. 15 ................................................................................................................................................. 16 ................................................................................................................................................. 16 ................................................................................................................................................. 16 ................................................................................................................................................. 16 17 ............................................................................................................ 17 Graded mesh Polygon and triangle primitives Quadrics and Infinipath interconnects Native support for the Windows x64 platform Easier installation of parallel FDTD Solutions Meshing improvements Faster drawing modes for all primitives Simulation auto shutoff Improved movie monitors GDSII import Improved figure windows n and k import Set view and orbit Surface imports Windows Vista support 4 New features for version 5.0 Table of Contents Part I New Features 1 New features for version 6.5 Part II The physics of the FDTD algorithm 1 FDTD and Maxwell's equations © 2003 - 2009 Lumerical Solutions, Inc

2 Reference Guide Part III Units and normalization Part IV Simulation objects 1 Structures tab Geometry tab Material tab Rotations tab Graphical Rendering tab Custom tab Import Data tab Surface tab Properties tab Script tab 2 Simulation tab 1 Source amplitudes 2 Frequency domain normalization 3 Spectral averaging 4 Calculating and normalizing power in the frequency domain 5 Integrating over lines, surfaces and volumes 20 ............................................................................................................ 21 ............................................................................................................ 22 ............................................................................................................ 24 ............................................................................................................ 30 ............................................................................................................ 31 33 ............................................................................................................ 34 ................................................................................................................................................. 36 ................................................................................................................................................. 36 ................................................................................................................................................. 37 ................................................................................................................................................. 37 ................................................................................................................................................. 37 ................................................................................................................................................. 38 ................................................................................................................................................. 41 ................................................................................................................................................. 42 ................................................................................................................................................. 43 ............................................................................................................ 43 ................................................................................................................................................. 44 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................................................................................................................................................. 60 ................................................................................................................................................. 61 ................................................................................................................................................. 62 ................................................................................................................................................. 62 ................................................................................................................................................. 62 ................................................................................................................................................. 63 ................................................................................................................................................. 64 ................................................................................................................................................. 64 ............................................................................................................ 65 67 ............................................................................................................ 67 ................................................................................................................................................. 68 Frequency Power/Profile tab Frequency Power/Profile Advanced tab General tab Data to record tab Geometry tab Spectral averaging and apodization tab Advanced tab Setup tab Analysis tab 3 Sources tab General tab Geometry tab Frequency/Wavelength tab Beam options tab Advanced tab 4 Monitors tab General tab Geometry tab Mesh settings tab Boundary conditions tab Advanced options tab 5 Equation interpreter Part V Integrated mode solver 1 Mode analysis Plot and analysis options © 2003 - 2009 Lumerical Solutions, Inc

Contents 3 Plot area 2 Advanced options Part VI Material database 1 Material database 2 Material Explorer Part VII CAD layout editor 1 Layout editor tabs and Objects tree 2 Main title bar GDSII Import Modifying your default settings 3 Toolbars Edit Mouse mode View Simulation Models Mesh order Anisotropic materials ................................................................................................................................................. 70 ............................................................................................................ 71 72 ............................................................................................................ 72 ................................................................................................................................................. 74 ................................................................................................................................................. 77 ................................................................................................................................................. 77 ............................................................................................................ 78 81 ............................................................................................................ 82 ............................................................................................................ 83 ................................................................................................................................................. 84 ................................................................................................................................................. 86 ............................................................................................................ 87 ................................................................................................................................................. 88 ................................................................................................................................................. 89 ................................................................................................................................................. 90 ................................................................................................................................................. 91 ............................................................................................................ 92 ............................................................................................................ 93 ............................................................................................................ 93 96 ............................................................................................................ 97 98 ............................................................................................................ 98 ............................................................................................................ 99 ................................................................................................................................................. 100 ................................................................................................................................................. 100 ............................................................................................................ 101 ............................................................................................................ 103 ............................................................................................................ 104 106 ............................................................................................................ 107 ................................................................................................................................................. 109 ................................................................................................................................................. 109 ................................................................................................................................................. 109 ................................................................................................................................................. 110 ................................................................................................................................................. 110 ................................................................................................................................................. 110 ................................................................................................................................................. 110 del rm dir ls cd pwd cp 1 Analysis tools and the simulation environment 2 The analysis window Monitor properties tab Far field settings tab 3 Analysis groups 4 Figure windows for plots and images 5 Data export 1 Running a simulation from the command line 4 View ports 5 Script Prompt and Script Editor 6 Changing CAD layout Part VIII Running a simulation Part IX Analysis tools Part X Scripting Language 1 System level © 2003 - 2009 Lumerical Solutions, Inc

4 Reference Guide mv exit system fileexists currentfilename filebasename fileextension filedirectory Run script getpath addpath which pause break Excape key File IO background format loaddata savedata savedcard readdata write asapexport asapload asapimport gdsimport matlabsave lum2mat lum2mat command line matlab matlabget matlabput ................................................................................................................................................. 111 ................................................................................................................................................. 111 ................................................................................................................................................. 111 ................................................................................................................................................. 112 ................................................................................................................................................. 112 ................................................................................................................................................. 112 ................................................................................................................................................. 113 ................................................................................................................................................. 113 ................................................................................................................................................. 113 ................................................................................................................................................. 113 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................................................................................................................................................. 125 ................................................................................................................................................. 125 ................................................................................................................................................. 126 ................................................................................................................................................. 126 ................................................................................................................................................. 126 ................................................................................................................................................. 127 ................................................................................................................................................. 127 ................................................................................................................................................. 127 ................................................................................................................................................. 127 ................................................................................................................................................. 128 ................................................................................................................................................. 128 ................................................................................................................................................. 128 ................................................................................................................................................. 129 ................................................................................................................................................. 129 ................................................................................................................................................. 130 ................................................................................................................................................. 130 2 Manipulating variables = : [] % linspace matrix randmatrix meshgridx meshgridy meshgrid3dx meshgrid3dy meshgrid3dz clear workspace Accessing and assigning matrix elements Matrix operators Pre-defined constants © 2003 - 2009 Lumerical Solutions, Inc

Contents 5 * / + - ^ == almostequal != <= >= < > & and | or ! ~ num2str " ' endl ? comments ............................................................................................................ 130 ................................................................................................................................................. 132 ................................................................................................................................................. 132 ................................................................................................................................................. 132 ................................................................................................................................................. 132 ................................................................................................................................................. 133 ................................................................................................................................................. 133 ................................................................................................................................................. 133 ................................................................................................................................................. 134 ................................................................................................................................................. 134 ................................................................................................................................................. 134 ................................................................................................................................................. 135 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................................................................................................................................................. 147 ................................................................................................................................................. 148 3 Operators 4 Functions sin cos tan asin acos atan atan2 real imag conj abs angle unwrap log log10 sqrt exp size length pinch sum max min interp © 2003 - 2009 Lumerical Solutions, Inc

6 Reference Guide 5 Loop and conditional statements 6 Plotting commands 7 Manipulating objects spline integrate find findpeaks transpose ctranspose fft fftw fftk invfft czt round rand randreset for if plot legend image setplot selectfigure exportfigure closeall ................................................................................................................................................. 148 ................................................................................................................................................. 148 ................................................................................................................................................. 149 ................................................................................................................................................. 149 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................................................................................................................................................. 171 ................................................................................................................................................. 172 ................................................................................................................................................. 173 ................................................................................................................................................. 174 deleteall delete selectall unselectall select selectpartial shiftselect shiftselectpartial move copy addtogroup adduserprop set setnamed setglobal get getnumber getnamed getnamednumber getglobal haveproperty importsurface importsurface2 importnk © 2003 - 2009 Lumerical Solutions, Inc

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