Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1993-11-03
1995-10-31
Allen, Stephone B.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
25055929, 21912178, H01J21014, B23K 2604
Patent
active
054632153
ABSTRACT:
A device for aligning a light beam with an optical fiber in order to introduce the beam into the fiber. The device includes a sample-taking device to sample part of the light beam which falls along the periphery of a circle which has a center on the axis of the fiber. The sampled light is then detected in order to analyze the angular distribution of the corresponding light intensity. The angular distribution becomes uniform when the axis of the light beam coincides with the axis of the optical fiber.
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SPIE-Optical Alignment, vol. 251, Jul. 29, 1980, pp. 131-135, D. M. Swain, "Centration of a Linear Cone to the Optical Axis of a Reflaxicon".
Allen Stephone B.
Commissariat a l''Energie Atomique
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