Scattered light in reflective and refractive optical systems

Romuald Pawluczyk; Arash Rohani

doi:10.1117/12.909687

28 February 2012 Scattered light in reflective and refractive optical systems

Romuald Pawluczyk, Arash Rohani

Proceedings Volume 8255, Physics and Simulation of Optoelectronic Devices XX; 82550X (2012) https://doi.org/10.1117/12.909687
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

A scalar theory, verified by the Rigorous Coupled Wave Analysis (RCWA), is used to compare the performance of optical surfaces with a specified roughness. It is shown that for surfaces with identical micro roughness structures, backward scattered light level for a reflecting surface is much higher than the forward scattered light produced by the surface of a refractive optical element made from typical optical glass. This implies that application of refractive components (such as transmission gratings and lenses) in optical systems where scattered light background is a limiting factor of the instrument performance may be advantageous over reflective components such as reflection gratings and mirrors.

Citation Download Citation

Romuald Pawluczyk and Arash Rohani "Scattered light in reflective and refractive optical systems", Proc. SPIE 8255, Physics and Simulation of Optoelectronic Devices XX, 82550X (28 February 2012); https://doi.org/10.1117/12.909687

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