Fast holographic wavefront sensor

Peter Dyrud; Geoff Andersen

doi:10.1117/12.665091

17 May 2006 Fast holographic wavefront sensor

Peter Dyrud, Geoff Andersen

Proceedings Volume 6215, Atmospheric Propagation III; 62150I (2006) https://doi.org/10.1117/12.665091
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

In this talk we will present a new zonal wavefront sensor. The device is able to take a single incident beam and diffract it into multiple beams with different focal locations, according to the presence and strength of particular aberrations. The Zernike terms in the beam are simply read out according to the location of the foci on the image plane CCD. We have created a hologram design such that the locations of the beams can be quickly and easily determined, providing all necessary information to correct for these aberrations, so that the wavefront information is derived without the need for any computations. It is a very compact and practical device that could potentially have applications for the USAF airborne laser or atmospheric distortion characterization.

Citation Download Citation

Peter Dyrud and Geoff Andersen "Fast holographic wavefront sensor", Proc. SPIE 6215, Atmospheric Propagation III, 62150I (17 May 2006); https://doi.org/10.1117/12.665091

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