Solid-state blue laser source

Details Solid-state blue laser source Solid-state blue laser source

1995-04-28

1997-07-22

Ullah, Akm E.

Coherent light generators

Particular active media

Plural active media or active media having plural dopants

372 22, 372 97, H01S 314

Patent

active

056510195

ABSTRACT:
A blue laser source outputting a beam having a wavelength of approximately 460 nm. A first laser cavity is formed around a Nd:YAG gain medium generating a first light beam having a wavelength of approximately 1064 nm. A second laser cavity, at least partially coextensive with the first laser cavity is formed around a Tm:ZBLAN gain medium generating a second light beam having a wavelength of approximately 810 nm. A non-linear KTP crystal is provided intracavity to both the first and second laser cavities to mix the first light beam and the second light beam and output a third light beam having a wavelength of approximately 460 nm. One of the mirrors forming the first or second laser cavity is coated to output a laser beam having a wavelength of approximately 460 nm.

REFERENCES:
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patent: 5175741 (1992-12-01), Okazaki
patent: 5345457 (1994-09-01), Zenzie et al.
Kean et al., "Generation of 20mW of Blue Laser Radiation from a Diode-Pum Sum-Frequency Laser", Appl. Phys. Lett., vol. 63(3), pp. 302-304 (19 Jul. 1993).
Risk et al. "Diode Laser Pumped Blue-Light Source Based on Intracavity Sum Frequency Generation", Appl. Phys. Lett., vol. 54(9), pp. 789-791 (27 Feb. 1989).
Risk et al. "Generation of Blue Light by Intracavity Frequency Mixing of the Laser and Pump Radiation of a Miniature Neodymium: Yttrium Aluminum Garnet Laser", Appl. Phys. Lett., vol. 52(2), pp. 85-87 (11 Jan. 1988).

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