Extended bandwidth mirror

Details Extended bandwidth mirror Extended bandwidth mirror

2005-05-17

2005-05-17

Assaf, Fayez G. (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S587000, C359S589000, C359S883000

Reexamination Certificate

active

06894838

ABSTRACT:
A dielectric mirror including a substrate and a reflector portion disposed directly on the substrate. The reflector portion includes alternating layers, e.g. in excess of 150 alternating layers, of high and low index of refraction material. In one embodiment, the layers are configured for reflecting each wavelength in a bandwidth of 400 nm at greater than 97.5% reflectivity. In another embodiment, the layers are configured for reflecting an s-polarization and p-polarization of each wavelength in the range from 350 nm to 100 nm at greater than 98% reflectivity. High reflectivity is achieved for a wide range of angle of incidence.

REFERENCES:
patent: 5448404 (1995-09-01), Schrenk et al.
patent: 6407862 (2002-06-01), Moshrefzadeh
patent: 6462878 (2002-10-01), Kartner et al.
patent: 6535336 (2003-03-01), Tatsumi
patent: 6667095 (2003-12-01), Wheatley et al.
patent: 20020060847 (2002-05-01), Joannopoulos et al.
Press Release dated Jan. 21, 2003; “Semrock Announces Availability of the new MaxMirror” www.semrock.com.

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