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Re: Interference data in optica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg109788] Re: Interference data in optica
  • From: "Maarten van der Burgt" <Maarten.VanDerBurgt at kla-tencor.com>
  • Date: Tue, 18 May 2010 02:00:14 -0400 (EDT)

Alicia,

The answer is already in the Plot3D line:

InterferenceFunction/.interference

results in a compiled function, which you can use like any numerical
function.

You can give it a name:

ifunc == Evaluate[(InterferenceFunction /. interference)]
CompiledFunction[-intensity data-]"

and simply give it a numerical argument

ifunc[0, 0]
0.266372

or generate a list of data

ifdat == Table[{x, ifunc[x, 0]}, {x, -16, 10, 0.1}];

which you can plot

ListLinePlot[ifdat]


Hope this helps,

maarten

-----Original Message-----
From: Alicia Cavan [mailto:alicia.cavan at pg.canterbury.ac.nz]
Sent: Monday, 17 May, 2010 13:12
To: mathgroup at smc.vnet.net
Subject: [mg109788] [mg109785] Re: Interference data in optica


The method I am using is straight out of the Help browser for optica
(graphical tour section), I am using a more complicated interferometer
set up, but I have just shown the basic Michelson one from the help
section, as I assume the method for getting more information about the
interference would be the same:


system ==== {Move[GaussianBeam[1.5,.01,FullForm->True],-50],

PlanoConcaveLens[-30,20,2,"L1",CurvatureDirection->Back],

Move[PlanoConvexLens[160,30,6.5,"L2"],130],

Move[BeamSplitter[{70,30},50,10],175,-45],

Move[Mirror[50,10],250],

Move[Mirror[50,10],{175,50},90.01],

Move[BeamSplitter[{70,30},50,10,""],175,-45,GraphicDesign->Off],

Move[Screen[50],{175,-50},90]};

AnalyzeSystem[system];



interference ==== FindInterference[system];

Plot3D[Evaluate[(InterferenceFunction/.interference)][x,y],{x,-13.5,6.7}
,{y,-10.,10.},PlotPoints->100,Mesh->False]



Thanks!
Alicia

________________________________
From: chris [mailto:aarthur at tx.rr.com]
Sent: Sat 15/05/2010 2:27 a.m.
To: Alicia Cavan
Subject: [mg109788] [mg109785] Re: [mg109674] Interference data in optica

Show us some code.  Probably the compiled function has a bad argument or
syntax

Alicia Cavan a ==E9crit :
> Hello,
>
> I am using the FindInterference function in Optica (version 3) and I
am
> able to get a nice plot of the interference function, but when I try
and
> obtain any data from this function- so I can get accurate values for
the
> intensities and fringe spacings (rather than just reading it off a
plot)
> I can't do this. It just comes up with a little message saying 
> -compiled function- for everything I try.  I am sure there is a simple
> command to use, but I don't know what it is.
>
> Any suggestions?
>
> Thankyou so much,
> Alicia Cavan




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