Method of measuring positions of optical transmission members

Details Method of measuring positions of optical transmission members Method of measuring positions of optical transmission members

1997-08-13

1999-08-31

Kim, Robert H.

Optics: measuring and testing

By polarized light examination

With light attenuation

356 731, 356153, G01B 1114, G01B 1126, G01N 2100

Patent

active

059460997

ABSTRACT:
In a retainer holding a plurality of optical transmission members at given positions, a position of an optical center of each of the optical transmission members is measured at a high measuring accuracy. In this case, a lens system forming a beam waist in its output beam is arranged so as to oppose to an end face of each of the optical transmission members, and then the output beam is input to the optical transmission member, and subsequently a position of the lens system is measured when a light intensity of a beam emanated from the optical transmission member is maximum, and thereafter a position of the optical transmission member is calculated from the measured value.

REFERENCES:
patent: 5218415 (1993-06-01), Kawashima
Abstract JP 58 092805 A (Nihon Kougaku Kogyo, KK), Jun. 2, 1983.

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