Beam characterization by wavefront sensor
Patent
·
OSTI ID:678607
An apparatus and method are disclosed for characterizing an energy beam (such as a laser) with a two-dimensional wavefront sensor, such as a Shack-Hartmann lenslet array. The sensor measures wavefront slope and irradiance of the beam at a single point on the beam and calculates a space-beamwidth product. A detector array such as a charge coupled device camera is preferably employed. 21 figs.
- Research Organization:
- Sandia Corporation
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- Assignee:
- SNL; SCA: 440600; SN: 99002124521; PA: EDB-99:085763
- Patent Number(s):
- US 5,936,720/A/
- Application Number:
- PAN: 9-111,620
- OSTI ID:
- 678607
- Country of Publication:
- United States
- Language:
- English
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