Collimator having a holder used to connect rod lens to...

Details Collimator having a holder used to connect rod lens to... Collimator having a holder used to connect rod lens to...

2006-02-21

2006-02-21

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C385S034000

Reexamination Certificate

active

07002136

ABSTRACT:
A collimator includes a capillary for holding optical fibers, a gradient index rod lens, and a cylindrical lens holder which holds the gradient index rod lens and has an annular end face connected to an end face of the capillary by an adhesive. By using the holder, the resistant of light power is improved and the degree of freedom of selection of the adhesive is increased.

REFERENCES:
patent: 4691985 (1987-09-01), Shank et al.
patent: 6597837 (2003-07-01), Xiaofan
patent: 6707609 (2004-03-01), Ryall et al.

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