Solid state lasers and a method for their production

Details Solid state lasers and a method for their production Solid state lasers and a method for their production

2006-10-24

2006-10-24

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular pumping means

Pumping with optical or radiant energy

C372S069000

Reexamination Certificate

active

07126976

ABSTRACT:
The present invention relates to a solid-state laser comprising: a) a semiconductor pump laser, b) a lens integrated on the surface of said semiconductor pump laser, c) a packaging material consisting essentially of a spin-on glass material, wherein the spin-on glass material is processable at a process temperature of less than 225° C., and d) a lasing material layer having a highly reflective coating in both sides. The invention also relates to a process for producing such a solid-state laser, which process comprises applying spin-on glass material onto semiconductor wafers having VCSEL pump lasers using different coating methods, such as spin coating, and curing the glass film layer at temperatures <225° C.; printing desired patterning of the material by contact or proximity lithography methods and forming diffractive lens structures to shape the pump laser radiation into the lasing material which constitutes spin-on glass material doped with rare earth elements, such as erbium (Er) and ytterbium (Yb), or with semiconductor nano-particles or quantum dots.

REFERENCES:
patent: 5488619 (1996-01-01), Injeyan et al.
patent: 5704700 (1998-01-01), Kappel et al.
patent: 5966399 (1999-10-01), Jiang et al.
patent: 2002/0146047 (2002-10-01), Bendett et al.

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