Coherent light generators – Particular beam control device – Optical output stabilization
Patent
1989-04-20
1991-10-01
Gonzalez, Frank
Coherent light generators
Particular beam control device
Optical output stabilization
372102, H01S 3137
Patent
active
050540289
ABSTRACT:
A feedback stabilization system for pulse single longitudinal mode tunable lasers having an excited laser medium contained within an adjustable length cavity and producing a laser beam through the use of an internal dispersive element, including detection of angular deviation in the output laser beam resulting from detuning between the cavity mode frequency and the passband of the internal dispersive element, and generating an error signal based thereon. The error signal can be integrated and amplified and then applied as a correcting signal to a piezoelectric transducer mounted on a mirror of the laser cavity for controlling the cavity length.
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Esherick Peter
Raymond Thomas D.
Chafin James H.
Gonzalez Frank
Moser William R.
Ojanen Karla
The United States of America as represented by the United States
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