Vertical external cavity surface emitting laser (VECSEL)

Details Vertical external cavity surface emitting laser (VECSEL) Vertical external cavity surface emitting laser (VECSEL)

2008-07-29

2008-07-29

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Nonlinear device

C372S021000, C372S036000, C372S070000

Reexamination Certificate

active

11500916

ABSTRACT:
The VECSEL includes: a heat spreader dissipating generated heat; a laser chip that is disposed on the heat spreader and is excited by a pump beam of a predetermined wavelength to emit a beam of a first wavelength; a Second Harmonic Generation (SHG) crystal that is disposed on the laser chip or the heat spreader and converts the laser beam of the first wavelength emitted from the laser chip into a beam having a second wavelength that is one-half the first wavelength; and a planar external cavity mirror that is directly formed on the SHG crystal and has a predetermined transmittance with respect to the beam of the second wavelength.

REFERENCES:
patent: 5436920 (1995-07-01), Minemoto et al.
patent: 6097742 (2000-08-01), Caprara et al.
patent: 6370168 (2002-04-01), Spinelli
patent: 6735234 (2004-05-01), Paschotta et al.
patent: 2005/0036528 (2005-02-01), Schmid
patent: 2007/0110118 (2007-05-01), Kim et al.
patent: 2007/0116078 (2007-05-01), Kim

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