Method and apparatus for wavefront sensing

Bahk, Seung-Whan

Title: Method and apparatus for wavefront sensing

Patent · Tue Mar 20 00:00:00 EDT 2018

OSTI ID:1429393

Bahk, Seung-Whan

A method for performing optical wavefront sensing includes providing an amplitude transmission mask having a light input side, a light output side, and an optical transmission axis passing from the light input side to the light output side. The amplitude transmission mask is characterized by a checkerboard pattern having a square unit cell of size .LAMBDA.. The method also includes directing an incident light field having a wavelength $$ \lamda $$ to be incident on the light input side and propagating the incident light field through the amplitude transmission mask. The method further includes producing a plurality of diffracted light fields on the light output side and detecting, at a detector disposed a distance L from the amplitude transmission mask, an interferogram associated with the plurality of diffracted light fields.

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Research Organization:: RAM Photonics, LLC, San Diego, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: FC52-08NA28302

Assignee:: RAM Photonics, LLC, San Diego, CA

Patent Number(s):: 9,921,111

Application Number:: 15/209,535

OSTI ID:: 1429393

Resource Relation:: Patent File Date: 2016 Jul 13

Country of Publication:: United States

Language:: English

References (16)

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Method and apparatus for wavefront sensing Bahk, Seung-Whan https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/9423306 US Patent Document 9,423,306	patent	August 2016
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Band-limited wavefront reconstruction with unity frequency response from Shack-Hartmann slopes measurements Bahk, Seung-Whan Optics Letters, Vol. 33, Issue 12, p. 1321-1323 https://doi.org/10.1364/OL.33.001321	journal	January 2008
A high-resolution, adaptive beam-shaping system for high-power lasers Bahk, Seung-Whan; Fess, Ed; Kruschwitz, Brian E. Optics Express, Vol. 18, Issue 9, p. 9151-9163 https://doi.org/10.1364/OE.18.009151	journal	January 2010
Highly accurate wavefront reconstruction algorithms over broad spatial-frequency bandwidth Bahk, Seung-Whan Optics Express, Vol. 19, Issue 20, p. 18997-19014 https://doi.org/10.1364/OE.19.018997	journal	January 2011

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