Dither-free actively stabilized laser
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United States of America Patent
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Oct 23, 1990
Grant Date -
N/A
app pub date -
Sep 5, 1989
filing date -
Sep 5, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pair of single mode laser light sources are tuned to opposite sides of a frequency response curve which forms either a peak or a valley. The laser light sources are offset in frequency from each other by a fixed frequency interval. The average frequency may thus be stabilized at the peak or valley. A third single mode laser light source, offset in frequency at a fixed point between the frequencies of the pair of laser sources, may thus be actively stabilized at the peak or valley. The frequency spectrum is simple, and of high power.
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