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WAVELENGTH LOCKER DESIGN FOR PRECISE CHANNEL LOCKING OF A WIDELY TUNABLE LASER
WAVELENGTH LOCKER DESIGN FOR PRECISE CHANNEL LOCKING OF A WIDELY TUNABLE LASER
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机译:宽可调谐激光器的精确通道锁定的波长锁定器设计
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摘要
In accordance with aspects of the present disclosure, a method is disclosed. The method includes controlling an operational wavelength of a wavelength tunable laser by receiving radiation from the laser at first photo-detector including a first optical element having a partially reflective coating on a front surface of the first optical element; receiving at least a portion of the radiation partially reflected from the front surface of the first optical element at an etalon; receiving radiation from the etalon at a second photo-detector including a second optical element having an anti-reflection coating on a front surface of the second optical element; determining, by processor, a control signal to be applied to the laser to control the operational wavelength of the radiation based on data from the first and the second photo-detectors; and transmitting the control signal to the laser to, control the operational wavelength of the radiation.
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