Collimation of Cerenkov-SHG Blue Light with a Parabolic Mirror
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概要
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Proposed here is a convenient optical system to collimate the crescent shaped blue laser beam radiated from a Cerenkov SHG in channel waveguide configuration. This collimation system is consisted of a parabolic mirror and has a very large tolerance to the mirror displacement. The anisotropy of the nonlinear crystal on which the waveguide is fabricated has been taken into account. The optimum mirror location is given to obtain a collimated blue laser beam with an aberration less than 0.07λ. By using an objective lens, the collimated beam can be focused down to a thin beam with the spot size less than 1μm.
- Faculty of Engineering, Okayama Universityの論文
- 1994-03-15
Faculty of Engineering, Okayama University | 論文
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