Anti-reflective (AR) coating for high index gain media

Details Anti-reflective (AR) coating for high index gain media Anti-reflective (AR) coating for high index gain media

2007-01-30

2007-01-30

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S046014

Reexamination Certificate

active

10625950

ABSTRACT:
Anti-reflective coatings may be used on laser high index gain media to mitigate reflection. An absentee layer may be used to compliment the antireflective coating to improve its antireflective performance over a broader range of wavelengths. The absentee layer comprises a material having a higher index of refraction than that of the gain media and has a thickness corresponding to multiple halfwave thicknesses related to the center wavelength output by the laser.

REFERENCES:
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patent: 6826219 (2004-11-01), Weingarten et al.
patent: 6947218 (2005-09-01), Turner, III
patent: 2004/0263983 (2004-12-01), Acree

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