Laser diode collimating system

Details Laser diode collimating system Laser diode collimating system

2005-03-29

2005-03-29

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular resonant cavity

Specified cavity component

C372S034000, C372S036000, C372S108000, C359S644000, C359S820000

Reexamination Certificate

active

06873640

ABSTRACT:
A laser diode collimating system comprises a collimating lens for receiving a laser beam from a laser diode LD. First and second orthogonally arranged cylindrical lenses are provided through which the laser beam passes. The cylindrical lenses are positioned so as to have a substantially common focal plane and operate substantially independently on the divergence and/or convergence of the laser beam in its fast axis and slow axis directions respectively. A convex lens, through which the beam passes, has a focus lying in the said common focal plane.

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