Optical: systems and elements – Lens – Including a nonspherical surface
Reexamination Certificate
2008-04-08
2008-04-08
Harrington, Alicia M (Department: 2873)
Optical: systems and elements
Lens
Including a nonspherical surface
C359S618000
Reexamination Certificate
active
11052240
ABSTRACT:
A line-of-light projecting module is illuminated by a diode-laser bar and includes light-pipe for homogenizing light from the diode-laser bar in the slow-axis. A shaping optics assembly directs the light emitted by the diode-laser bar into the entrance end of the light-pipe as a diverging beam in the slow-axis and as a collimated beam in the fast-axis. The light propagates through the light-pipe unguided in the fast axis. The light is guided by the light-pipe in the slow-axis, and homogenized in the slow-axis by making multiple reflections from walls of the light-pipe. An anamorphic projection optics assembly projects the light from the exit end of the light-pipe and focuses the light to form the line-of-light.
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In re U.S. Appl. No. 10/667,675, filed Sep. 22, 2003, entitled “Apparatus for Projecting a Line of Light from a Diode-Laser Array,” by Serguei G. Anikitchev et al., 25 pages in length.
Coherent Inc.
Harrington Alicia M
Stallman & Pollock LLP
LandOfFree
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