Fresnel lens arrays for wave front inspection

Boris Spektor; Joseph Shamir

doi:10.1117/12.207494

20 April 1995 Fresnel lens arrays for wavefront inspection

Boris Spektor, Joseph Shamir

Proceedings Volume 2404, Diffractive and Holographic Optics Technology II; (1995) https://doi.org/10.1117/12.207494
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

A wavefront sensor is supposed to analyze the phase distribution of a wave without any external reference as used in most conventional interferometric systems. It is shown here that an efficient wavefront sensor can be implemented by an array of two-beam common path inversion interferometers. Each element of the array consists of two Fresnel lenses in a confocal configuration. The wavefront data can be extracted from a superposition of the zero- order, undiffracted wave and the twice diffracted first order wave. The result is a high sensitivity, compact and stable interferometric wavefront sensor.

Citation Download Citation

Boris Spektor and Joseph Shamir "Fresnel lens arrays for wavefront inspection", Proc. SPIE 2404, Diffractive and Holographic Optics Technology II, (20 April 1995); https://doi.org/10.1117/12.207494

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