Diode-pumped solid-state ring laser gyroscope
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United States of America Patent
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Sep 28, 1999
Grant Date -
N/A
app pub date -
Nov 10, 1997
filing date -
Feb 10, 1995
priority date (Note) -
Expired
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Abstract
The invention concerns a diode-pumped solid-state ring laser gyroscope consisting of a diode-pumped solid-state laser made from a doped crystal or glass in the form of a square or cube for monoaxial or triaxial measurements; limitation and stabilization of the laser mode is achieved by precise matching of the pumping radiation to the mode volume of the ring laser. Outcoupling of the laser radiation is done by making the light tunnel through a slit to a dielectric plate which is moved by an actuator. Frequency modulation of the signal is done as required by coupling an acoustic wave into the laser medium or by precise spatial modulation of the diode excitation.
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