Highly reflective optical components

Details Highly reflective optical components Highly reflective optical components

2005-08-30

2005-08-30

Chang, Audrey (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S585000, C359S359000, C359S582000, C359S885000, C427S167000, C428S428000

Reexamination Certificate

active

06937398

ABSTRACT:
Optical components may be made with reflectors that increase the reflectivity of the resulting device. Increasing in the reflectivity may reduce the need for higher power light sources. In particular, the use of deposited silver layers may dramatically increase the reflectivity compared to aluminum and copper alloys. In addition, an absorptive layer may be positioned over the reflective layer to reduce the amount of blue light output from the reflector. This blue light absorber may be used to automatically rebalance light sources that produce an excessive proportion of blue light.

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“Thin Film Optical Coating” Macleod, McGrew-Hill, 1986 pp. 95-100.

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