Beam characterization by wavefront sensor

Details Beam characterization by wavefront sensor Beam characterization by wavefront sensor

1998-07-07

1999-08-10

Manuel, George

Optics: measuring and testing

Lamp beam direction or pattern

2502019, 2502081, G01J 100

Patent

active

059367202

ABSTRACT:
An apparatus and method 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.

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