Method and apparatus for wavefront sensing
Patent
·
OSTI ID:1429393
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.
- 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
- Country of Publication:
- United States
- Language:
- English
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