Method of precision beam collimation using fiber-optic circulator and wavelength tunable source
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United States of America
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Apr 19, 2022
Grant Date -
Feb 17, 2022
app pub date -
Aug 17, 2020
filing date -
Aug 17, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A method of calibrating a collimating lens system includes transmitting, using an optical transmitter, a beam out of an optical fiber and through a collimating lens of the collimating lens system. The beam is reflected off a perfect flat mirror positioned at an output of the collimating lens and back towards the collimating lens, and received, via the collimating lens, at a power meter connected to the optical fiber. The method also includes adjusting a position of a tip of the optical fiber proximal to the collimating lens while tracking a power reading using the power meter, selecting a calibration position of the optical fiber corresponding to a highest power reading, and securing the optical fiber relative to the collimating lens using the calibration position.
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