ABCD Gaussian Beam Propagation is an application that calculates the various properties of a laser beam propagating through simple optical elements. It displays the beam and the optical setup in a graphical window that can be manipulated by the user. A table shows the values at all points, they can be copied and used in plotting applications.
User-defined inputs (wavelength, radius of curvature, size) and M-square (i.e. multimode equivalence)
Calculate propagation through free space, dielectrics, lenses and mirrors. Use toolbars to add elements
Calculate eigenmodes of a laser resonator
Obtain the beam size, radius of curvature, waist size, waist position, and Rayleigh range at any point
Copy and paste values (radius, beam size) into your own plotting program
Copy the physical appearance of the setup as a PDF
All calculations are performed using the ray matrix formalism (i.e. ABCD matrices) and therefore make the paraxial approximation
What's new in ABCD
Now works on OS X 10.6.x and 10.7.x
Printing, in the form of a detailed calculation summary
New optical elements: gaussian ducts
Significant performance improvements, especially for large setups with many elements
User can choose calculations performed before or after optical elements
When drag-positioning elements, if multiple elements are selected, they move together
Preferences for laser color, default property values, number of sampling points for graphs
Slightly modified file format, automatically converted from prior version
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