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Output optics for laser velocimeters (1993)

Lynch, Dana H. ; Mcalister, Kenneth W. ; Gunter, William D.

In: CASI

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Publication Date: 2019-06-28

Description: Space savings are effected in the optical output system of a laser velocimeter. The output system is comprised of pairs of optical fibers having output ends from which a beam of laser light emerges, a transfer lens for each light beam, and at least one final (LV) lens for receiving the light passing through the transfer lenses and for focussing that light at a common crossing point or area. In order to closely couple the transfer lenses to the final lens, each transfer lens is positioned relative to the final lens receiving light therefrom such that the output waist of the corresponding beam received by the final lens from the transfer lens is a virtual waist located before the transfer lens.

Keywords: OPTICS

Format: application/pdf

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