Passive Q-switched lasers and methods for operation and manufacture thereof
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United States of America Patent
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Sep 17, 2024
Grant Date -
Jan 11, 2024
app pub date -
Sep 21, 2023
filing date -
Oct 24, 2019
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Abstract
Systems and methods for imaging in the short wave infrared (SWIR), photodetectors with low dark current and associated circuits for reducing dark currents and methods for generating image information based on data of a photodetector array. A SWIR imaging system may include a pulsed illumination source operative to emit radiation pulses in the SWIR band towards a target resulting in reflected radiation from the target; (b) an imaging receiver including a plurality of Ge PDs operative to detect the reflected SWIR radiation and a controller, operative to control activation of the receiver for an integration time during which the accumulated dark current noise does not exceed the time independent readout noise.
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