AiryDefocused:

Path: Imaging/Optics

% Compute the Airy disk for defocused light.
   This routine uses integral to numerically integrate the distribution.

   Type AirDefocused for a demo. It shows several different defocus
   settings and also shows the Airy point spread function.

   Since version 11.
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   Form:
   AiryDefocused( z, r, lambda, a, R )
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   ------
   Inputs
   ------
   z           (1,1)   Distance of wave plane (mm)
   r           (1,:)   Points in plane (mm)
   lambda      (1,1)   Wavelength (nm)
   a           (1,1)   Aperture (mm)
   R           (1,1)   Distance from aperture to Gaussian image plane (mm)

   -------
   Outputs
   -------
   p           (1,1)   Output

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   Reference:  Virendra N. Mahajan, "Beam Focusing and Depth of Focus,"
               The Aerospace Corporation.
--------------------------------------------------------------------------

Children:

Common: Graphics/Plot2D
Imaging: Optics/FresnelNumber
Imaging: PSFUtils/RHSAiryPSF

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