A vectorial ray-based diffraction integral for optical systems

Birk Andreas

doi:10.1117/12.2190816

23 September 2015 A vectorial ray-based diffraction integral for optical systems

Birk Andreas

Proceedings Volume 9630, Optical Systems Design 2015: Computational Optics; 96300C (2015) https://doi.org/10.1117/12.2190816
Event: SPIE Optical Systems Design, 2015, Jena, Germany

Abstract

The propagation of coherent laser light in optical systems is simulated by the vectorial ray-based diffraction integral (VRBDI) method which utilizes vectorial diffraction theory, ray aiming, differential ray tracing and matrix optics. On a global scale the method is not restricted to the paraxial approximation, whereas it is properly used for a local representation of the wavefront close to an aimed detection location. First, the field of a monochromatic continuous wave on an input plane is decomposed into spherical or plane wave components. Then, these components are represented by aimed ray tubes and traced through an optical system. Finally, the contributions are added coherently on an output plane whose position has to be chosen according to ray-aiming requirements. Provided that the apertures in the optical system are large with respect to the wavelength the results are fairly accurate.

Citation Download Citation

Birk Andreas "A vectorial ray-based diffraction integral for optical systems", Proc. SPIE 9630, Optical Systems Design 2015: Computational Optics, 96300C (23 September 2015); https://doi.org/10.1117/12.2190816

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