Tolerancing and analysis of a diffractive beam shaper

Adam Fedor; Marc Himel

doi:10.1117/12.837165

16 February 2010 Tolerancing and analysis of a diffractive beam shaper

Adam Fedor, Marc Himel

Proceedings Volume 7591, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics III; 75910W (2010) https://doi.org/10.1117/12.837165
Event: SPIE MOEMS-MEMS, 2010, San Francisco, California, United States

Abstract

This paper describes the design and analysis of a deep-UV diffractive beam shaper for converting a collimated Gaussian beam into a collimated flattop beam. Diffractive beam shapers can be manufactured in most common materials to provide good beam control with very low non-uniformity. Beam shapers, however, are generally very sensitive to beam parameters and alignment. Here we examine the sensitivity of the beam shaper to alignment and tilt of the input beam, phase surfaces, and various other fabrication errors. This device was successfully built and comparisons with laboratory measurements show excellent agreement with simulation predictions.

Citation Download Citation

Adam Fedor and Marc Himel "Tolerancing and analysis of a diffractive beam shaper", Proc. SPIE 7591, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics III, 75910W (16 February 2010); https://doi.org/10.1117/12.837165

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