Multiplexed digital holography for simultaneous imaging and wavefront sensing

Matthias T. Banet; Mark F. Spencer

doi:10.1117/12.2528940

6 September 2019 Multiplexed digital holography for simultaneous imaging and wavefront sensing

Matthias T. Banet, Mark F. Spencer

Author Affiliations +

Proceedings Volume 11135, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019; 1113503 (2019) https://doi.org/10.1117/12.2528940
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

Provided a coherently-illuminated extended object as well as a coherent point-source beacon, multiplexed digital holography grants both imaging and wavefront sensing functions for the purposes of atmospheric characterization. As such, this paper explores the tradespace between two multiplexed digital holography systems: one operating in the off-axis image plane recording geometry and the other operating in the off-axis pupil plane recording geometry. Via wave-optics simulations, we vary the signal-to-noise ratio and the sampling quotient for each recording geometry while assessing performance via several metrics including the field-estimated Strehl ratio. The performance for each recording geometry largely agrees with the theoretical results.

Conference Presentation

Citation Download Citation

Matthias T. Banet and Mark F. Spencer "Multiplexed digital holography for simultaneous imaging and wavefront sensing", Proc. SPIE 11135, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019, 1113503 (6 September 2019); https://doi.org/10.1117/12.2528940

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