LONG DISTANCE LIDAR TEST SYSTEM
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Jul 31, 2023
filing date -
Jul 29, 2022
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Abstract
A lidar test system includes a lensed fiber collector for receiving light pulses generated by a lidar sensor. A splitter is configured to split the light pulses received from the lensed fiber collector. A first optical fiber having a first length receives one of the split light pulses. A second optical fiber having a second length also receives one of the split light pulses. The second length of the second optical fiber is longer than the first length of the first optical fiber. A switch is configured to select light transmitted through one of the optical fibers to an optical output. A variable optical attenuator (“VOA”) is configured to regulate the intensity of the light received from the switch. The lidar test system also includes a diffuser target positioned to receive light from the VOA which may be imaged by a focal plane array of the lidar assembly.
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