basic paraxial optics toolkit: abcd=lens(f) - File Exchange

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Highlights from
basic paraxial optics toolkit

E=AiryE(params,r)
I=AiryI(params,r);
I=AiryI(params,r);
[A,B,C,D]=elems(abcd)
[E,w,R,phi,zR]=SimpleGaussian...
[E,w,R,phi,zR]=SimpleGaussian...
[L,w0]=L_(q,varargin);
[Rout,wout]=R_(q,varargin)
[coeffs,tmat]=decompose(z1,do...
[h,th]=scalemarker(x,y,marker...
[handle,texthandle,pos,rotpos...
[handle,xend,yend,pos,rotpos]... Accepts the q factor of a Gaussian beam and plots the 1/e^2 intensity envelope.
[q,p]=prop(q1,abcd,varargin)
[qrefl,qtrans,qcav,prefl,ptra... Propagates the q-factor of a Gaussian beam through a cavity.
[rmesh,thetamesh,xmesh,ymesh]...
[w,R,zR]=beamradius(params,z)... Returns the field radius of the beam at any point z along a Gaussian beam
abcd=fdie(n1,n2)
abcd=free(L,varargin)
abcd=lens(f)
abcd=mirr(R)
abcd=sdie(R,n1,n2)
abcd=slab(n1,n2)
coatingRT(nH,nL,N,la,la0,pol,... Coating reflectivity and transmittivity.
coeff=overlap(z1,z2,domain,va...
dispmat(matrix,varargin);
linehandle=plothorline(y,xmin...
linehandle=plotvertline(x,ymi...
qfactor=q_(w,R,varargin)
r=reverse(v); Reverses the positions of the elements of a vector
varargout=figtext(x,y,textstr...
varargout=figtext3D(x,y,z,tex... A function for writing text to 3D graphs in a simple way.
w0=L0_(q ,varargin);
wout=w_(q,varargin)
y=LaguerrePoly(params,x)
y=fact(x); Vector form of factorial.
y=hermitepoly(n,x)
z=HermiteGaussianE(params,x,v...
z=LaguerreGaussianE(params,r,...
z=NewtonRingsI(params,r)
z=recompose(domain,type,coeff...
A_beam_visualization_script.m
Airy1Dplot.m
AiryIplot.m
Hermite_demo.m
LGIplot.m
Laguerre_demo.m
NRIplot.m
beam_propagate_llo_asbuilt.m
beam_visualize_asbuilt.m
gaussian_topview.m
unstable_cavity.m
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from basic paraxial optics toolkit by Andri M. Gretarsson
A set of paraxial optics functions for beam propagation and modal decomposition. Numerous examples.

abcd=lens(f)

%---------------------------------------------------------------
% Returns the ABCD matrix for propagation through a thin lens.
%
% SYNTAX: abcd=lens(f);
%
%
% f = lens focal length
%
% abcd = |  1    0 |
%        |-1/f   1 |
%
%---------------------------------------------------------------
% SYNTAX: abcd=lens(f);
%---------------------------------------------------------------

function abcd=lens(f)

abcd=[
    1       0
    -1/f    1
];

Highlights from basic paraxial optics toolkit

Highlights from
basic paraxial optics toolkit