White light splitting and homogenizing systems and methods

Details White light splitting and homogenizing systems and methods White light splitting and homogenizing systems and methods

2006-07-21

2008-08-19

Mack, Ricky (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S618000

Reexamination Certificate

active

07414793

ABSTRACT:
In accordance with an embodiment of the present invention, an apparatus includes a hollow tubular body with a polygonal cross-section and a highly reflective interior surface, a first filter, and a second filter. The body includes an input end portion configured to receive and reflect white light having a Gaussian profile to produce a homogenized input beam, a first output leg portion configured to receive and reflect a first reflected beam to produce a first homogenized output beam having a first wavelength characteristic and a top hat profile, and a second output leg portion configured to receive and reflect a second reflected beam to produce a second homogenized output beam having a second wavelength characteristic and a top hat profile. The first filter is configured to receive the homogenized input beam and produce the first reflected beam and a first transmitted beam. The second filter is configured to receive the first transmitted beam and produce the second reflected beam.

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