Optical transmission device and light-receiving module

Optical: systems and elements – Collimating of light beam

Reexamination Certificate

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C359S639000

Reexamination Certificate

active

07554741

ABSTRACT:
An optical transmission device is provided with a first optical member having a negative refraction angle with respect to an incident angle of a beam and a second optical member having a positive refraction angle with respect to the incident angle, wherein the first and second optical members are arranged one each or more in tandem alternatively.

REFERENCES:
patent: 2006/0072196 (2006-04-01), Hyde et al.
patent: 2006/0171032 (2006-08-01), Nishioka
patent: 2007/0065069 (2007-03-01), Bratkovski et al.
patent: 11-218627 (1999-08-01), None
patent: 2000-066002 (2000-03-01), None
patent: 2004-133040 (2004-04-01), None
patent: 2005-004225 (2005-01-01), None

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