Question: Show that the PDH method for locking a lasers frequency to an optical cavity works for modulations faster than the cavitys response time, and even
Show that the PDH method for locking a laser’s frequency to an optical cavity works for modulations faster than the cavity’s response time,
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and even work for Ω »1/τresponse.More specifically, show that the reflected power still contains the information needed for feedback to the laser.
2 1/ Tresponses
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ANSWER The PoundDreverHall PDH method is a technique used for locking a lasers frequency to an optical cavity by measuring the phase shift between the ... View full answer
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