Optical waveguides – With optical coupler – Input/output coupler
Patent
1990-04-18
1992-06-23
Henry, Jon W.
Optical waveguides
With optical coupler
Input/output coupler
359503, 359823, G02B 710, G02B 632, G02B 722, G02B 2762
Patent
active
051237237
ABSTRACT:
The ultra-high vacuum telescoping fiber optic feedthrough apparatus comprises a first tubular section having thereon a mounting flange, a quartz window aperture, and a collimating lens means. The second tubular section being in sliding contact with the first tubular section has a focusing lens means mounted therein. A third tubular section being in sliding contact with the second tubular section has mounted therein a fiber optic cable holding means. In order to provide adjustability between the various sections a first adjusting means being a micrometer screw is mounted onto the first and second sections and a second adjusting means is mounted onto the second and third sections whereby fine adjustment in translational movement is achieved so that the signal-to-noise may be maximized when observing an optically luminescent source such as a plasma formed during laser deposition.
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L. D. Dickson, "Laser Beam Expander . . . ", IBM Tech. Dis. Bull., vol. 17, No. 11, Apr., 1975, p. 3414.
Chesnutt Julian M.
Dunlap Duane K.
McNally James J.
McNeil Thomas E.
Collier Stanton E.
Henry Jon W.
Singer Donald J.
The United States of America as represented by the Secretary of
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