Beam blocking and combining optic

Details Beam blocking and combining optic Beam blocking and combining optic

2011-07-26

2011-07-26

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

Reexamination Certificate

active

07986463

ABSTRACT:
A beam blocking and combining optic comprising a wedged optically transparent substrate with a hard dielectric coating applied to a beam combining side of the substrate. The coating has a high reflectance at a laser wavelength and high transmittance at visible wavelengths. The single optical component can combine laser beams into a viewing path and act as a laser safety filter to protect the viewer from reflected laser radiation while providing good color balance and very low astigmatism in the viewing path and very low astigmatism in the reflected laser beam.

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International Preliminary Report on Patentability from corresponding PCT/AU2007/001913 application, mailed Nov. 18, 2008.
International Search Report from corresponding PCT/AU2007/001913 application, mailed Feb. 8, 2007.

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