Dichroic beamsplitter for high energy laser diagnostics

Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle

Reexamination Certificate

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C359S583000, C250S216000

Reexamination Certificate

active

08009283

ABSTRACT:
Wavefront control techniques are provided for the alignment and performance optimization of optical devices. A Shack-Hartmann wavefront sensor can be used to measure the wavefront distortion and a control system generates feedback error signal to optics inside the device to correct the wavefront. The system can be calibrated with a low-average-power probe laser. An optical element is provided to couple the optical device to a diagnostic/control package in a way that optimizes both the output power of the optical device and the coupling of the probe light into the diagnostics.

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