Device for shaping a laser beam for an atomic sensor having retroreflector prism, linear polarizer, and form birefringence plate
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United States of America Patent
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May 11, 2021
Grant Date -
Aug 2, 2018
app pub date -
Jul 21, 2016
filing date -
Jul 28, 2015
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Abstract
Device for shaping a laser beam for an atomic sensor, comprising a retroreflector prism with an entrance area, an exit area and two reflection surfaces forming a right angle therebetween. The device for shaping includes a linear polarizer disposed upstream from the entrance area of the retroreflector prism for linearly polarizing a laser beam entering into the retroreflector prism by the entrance area, and a form birefringence plate disposed downstream from the exit area of the retroreflector prism to circularly polarize a laser beam exiting from the retroreflector prism by the exit area.
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