US5257277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor-laser-pumped, solid-state laser
Assignee: Mitsubishi Electric Corp
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Filing: 1992-07-15
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Granted: 1993-10-26
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Expires: 2012-07-15
Abstract
Abstract A semiconductor-laser-pumped, solid-state laser includes a semiconductor pumping laser emitting pumping light, a solid-state laser medium arranged to be excited by the pumping light, and a laser resonator structure for emitting laser light from the solid-state laser medium. The solid-state laser medium is plate shaped having a thickness less than the broadening width of he pumping light in the solid-state laser medium. The semiconductor laser is arranged close to the face of the solid-state laser medium, and the laser resonator structure has an optical axis thereof coinciding with that of the pumping light.
Inventors
- 👤 Shigenori Yagi
- 👤 Takashi Yamamoto
- 👤 Mayumi Fujimura
- 👤 Toyohiro Uchiumi
- 👤 Akira Ishimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/094; H01S3/0941; H01S3/02; H01S3/025; H01S3/05; H01S3/06; H01S3/0602; H01S3/0604; H01S3/061; H01S3/0619; H01S3/0621; H01S3/0625; H01S3/08; H01S3/08081; H01S3/08095; H01S3/094084; H01S5/00; H01S5/02; H01S5/022; H01S5/023; H01S5/02325
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
160 words
A semiconductor-laser-pumped, solid-state laser comprising: a plurality of semiconductor lasers for emitting respective divergent pumping light beams, each beam having an optical axis and a width that broadens with distance from the respective laser due to divergence of the beam; a solid-state laser medium on which the divergent pumping light beams, each beam having a width equal to a respective broadened width, are incident, the solid-state laser medium including opposed first and second facets; and a laser resonator structure having an optical axis along which laser light is emitted for confining light in said solid-state laser medium, wherein said solid-state laser medium is plate shaped and has a thickness less than the broadened width of the pumping light in said solid-state laser medium, said semiconductor lasers are arranged parallel to the optical axis of said laser resonator structure, close to said solid-state laser medium, and the optical axis of said laser resonator structure is perpendicular to the pumping light beams.
Claim 2
Dependent Claim
160 words
A semiconductor-laser-pumped, solid-state laser comprising: a plurality of semiconductor lasers for emitting respective divergent pumping light beams, each beam having an optical axis and a width that broadens with distance from the respective laser due to divergence of the beam; a solid-state laser medium on which the divergent pumping light beams, each beam having a width equal to a respective broadened width, are incident, the solid-state laser medium including opposed first and second facets; and a laser resonator structure having an optical axis along which laser light is emitted for confining light in said solid-state laser medium, wherein said solid-state laser medium is plate shaped and has a thickness less than the broadened width of the pumping light in said solid-state laser medium, said semiconductor lasers are arranged parallel to the optical axis of said laser resonator structure, close to said solid-state laser medium, and the optical axis of said laser resonator structure is perpendicular to the pumping light beams.
Claim 3
Dependent Claim
17 words
A semiconductor-laser-pumped, solid-state laser as defined in claim 1 wherein said resonator structure is a stable resonator.
Claim 4
Dependent Claim
33 words
A semiconductor-laser-pumped, solid-state laser as defined in claim 1, comprising a one dimensional unstable resonator including a collimating mirror and an enlarging mirror disposed in respective planes substantially perpendicular to the optical axis.
Claim 5
Dependent Claim
22 words
A semiconductor-laser-pumped, solid-state laser as defined in claim 3, comprising a stable resonator in a plane substantially perpendicular to the optical axis.
Claim 6
Dependent Claim
23 words
A semiconductor-laser-pumped, solid-state laser as defined in claim 1, comprising a waveguide resonator disposed in a plane substantially perpendicular to the optical axis.
Claim 7
Dependent Claim
33 words
A semiconductor-laser-pumped, solid-state laser as defined in claim 1, including a lens adhered to said solid-state laser medium so that the pumping light is incident on said solid-state laser medium through said lens.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-25 | 1997-04-26 | 1997-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-25 | 2001-04-26 | 2001-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-25 | 2005-04-26 | 2005-10-26 | $7700.00 | Window Closed / Lapsed |