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Appl Opt. 1992 Jun 1;31(16):3030-5. doi: 10.1364/AO.31.003030.

Fiber-optic confocal microscope: FOCON.


A new design for a reflecting fiber-optic confocal microscope, FOCON, is presented in which the beam splitter of a conventional confocal microscope is replaced by a fiber-optic splitter, and the core of a single-mode fiber takes the place of both the source and detector pinholes. It is shown that FOCON has the same resolution characteristics as a conventional confocal microscope, and requires fewer optical components and only rough alignment. The microscope is robust and can be rapidly scanned in the x, y, and z directions through the simple movement of the end of an optical fiber.


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