Extended-range Shack-Hartmann wavefront sensor with nonlinear holographic lenslet array

Dmytro Podanchuk; Volodymir P. Dan'ko; Myhailo Kotov; Jung-Young Son; Yong-Jin Choi

doi:10.1117/1.2202358

1 May 2006 Extended-range Shack-Hartmann wavefront sensor with nonlinear holographic lenslet array

Dmytro Podanchuk, Volodymir P. Dan'ko, Myhailo Kotov, Jung-Young Son, Yong-Jin Choi

Author Affiliations +

Optical Engineering, Vol. 45, Issue 5, 053605 (May 2006). https://doi.org/10.1117/1.2202358

Abstract

A nonlinear holographic lenslet array is used to extend the angular dynamic range of a Shack-Hartmann wavefront sensor. The lenslet array has two focal distances defined by the first- and second-order diffracted beams. The second-order beam channel is used for preliminary estimation of the spot position in the first-order beam channel. The sensor has an angular dynamic range twice as large as that of a sensor with single-focus lenslets, while retaining the same accuracy.

©(2006) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Dmytro Podanchuk, Volodymir P. Dan'ko, Myhailo Kotov, Jung-Young Son, and Yong-Jin Choi "Extended-range Shack-Hartmann wavefront sensor with nonlinear holographic lenslet array," Optical Engineering 45(5), 053605 (1 May 2006). https://doi.org/10.1117/1.2202358

Published: 1 May 2006

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