1 February 1981 Optical System With Fiber Optical Elements
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Abstract
Many reflecting and refracting elements are required in the construction of a conventional optical system with a low f/number. Such a system poses problems in alignment and mechanical stabilty when operating in severe environments over a wide temerature range. A fiber bundle designed in the form of a cone with larger entrance diameter than the exit diameter transmits and reduces the uimage size. A simple lens of longer focal length and larger effective aperture can be used to produce an imageat the entrance of the cone. Since there is a gain in flux per unit area, this system intesifies as well as trasmits an image. It also enables the use of a detector of smaller size to achieve a higher signal-to-noise ratio. An effective optical systen for doing this is described and demonstrated.
Robert Y. Wong, Robert Y. Wong, Mohammad R. Jafarpour, Mohammad R. Jafarpour, } "Optical System With Fiber Optical Elements," Optical Engineering 20(1), 200195 (1 February 1981). https://doi.org/10.1117/12.7972670 . Submission:
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