Laser gain medium for solid state dye lasers

Details Laser gain medium for solid state dye lasers Laser gain medium for solid state dye lasers

2002-08-29

2008-10-28

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular active media

Liquid

C372S051000, C372S054000

Reexamination Certificate

active

07443900

ABSTRACT:
The present invention relates to a laser gain medium comprising at least one active species adapted to be stimulated to emit laser light within a predetermined wavelength range and optical feedback means defining a resonator for said laser light. The feedback means comprise at least one substantially solid cholesteric layer having a substantially planar texture exhibiting selective reflection of light defined by a reflection band tuned to said predetermined wavelength range.

REFERENCES:
patent: 3771065 (1973-11-01), Goldberg et al.
patent: 5788880 (1998-08-01), Schierlinger et al.
patent: 6141367 (2000-10-01), Fan et al.
W. Cao et al. “Mirrorless lasing in liquid crystalline materials”, Proceedings of SPIE vol. 4642, pp. 55-61. Jan. 2002.
Cao, W. et al.: “Mirrorless lasing in liquid crystalline materials” Organic Photonic Materials and Devices IV, vol. 4642, pp. 55-61, Jan. 2002. XP008015687.

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