Optical coupling devices

Details Optical coupling devices Optical coupling devices

2006-10-24

2006-10-24

Pak, Sung (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C385S033000

Reexamination Certificate

active

07125175

ABSTRACT:
A laser transmitter unit is described, the unit including a laser diode2emitting laser radiation into a lens system. The lens system includes collimating lenses L1, L3and focussing lenses L2, L4. Additionally, compensating or steering lens S1, S2are positioned between the collimating lenses L1, L3and the focussing lenses L2, L4. The steering lenses S1, S2act to reduce the sensitivity of the focussing lenses L2, L4to position within the lens system. The position of the focussing lenses can be difficult to control, particularly when the lenses are welded into position in the laser transmitter unit1.

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