Mode-locking and chirping system for lasers
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United States of America Patent
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Feb 2, 1982
Grant Date -
N/A
app pub date -
Nov 23, 1979
filing date -
Nov 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A single electro-optic device is provided for simultaneously mode-locking and chirping the output of a laser by simultaneously applying to the electrodes of the electro-optic device a periodic signal superimposed on a voltage ramp. The electro-optic device in general utilizes a crystal of the type which changes refractive index in accordance with an applied voltage. As a result, FM mode-locking is achieved through the use of the periodic signal, whereas mode lines are displaced or shifted in frequency during the generation of the laser output by virtue of the changing bias supplied by the voltage ramp.
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