Patent US3983511A successfully refreshed from Google Patents.
US3983511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Normal incidence face pumped disc laser
Assignee: Lockheed Martin Corp
•
Filing: 1975-09-08
•
Granted: 1976-09-28
•
Expires: 1995-09-08
Abstract
Abstract A laser comprising a plurality of laser discs disposed normal to the laser beam propagation path within a cavity and including prisms between the laser discs to redirect the pump light onto the faces of the laser discs.
Inventors
- 👤 William C. Fricke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:17
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/07; H01S3/0602; H01S3/0604; H01S3/0612
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
47 words
A laser device, comprising: a laser cavity; at least one disc of active laser medium arranged normal to the axis of laser radiation; pumping means for emitting radiation of pumping wavelengths; and means for refracting said pumping radiation onto at least one face of said laser disc.
Claim 2
Dependent Claim
47 words
A laser device, comprising: a laser cavity; at least one disc of active laser medium arranged normal to the axis of laser radiation; pumping means for emitting radiation of pumping wavelengths; and means for refracting said pumping radiation onto at least one face of said laser disc.
Claim 3
Dependent Claim
27 words
A laser device as defined in claim 1 wherein said means for refracting said pumping radiation includes a prism disposed adjacent a face of said laser disc.
Claim 4
Dependent Claim
48 words
A laser device as defined in claim 2, further including a plurality of laser discs arranged normal to the axis of laser radiation and a plurality of prisms arranged either side of each of said laser discs for refracting pumping radiation onto the faces of said laser discs.
Claim 5
Dependent Claim
27 words
A laser device as defined in claim 3 wherein the surfaces of said prism bounded by said laser disc are normal to the axis of laser radiation.
Claim 6
Dependent Claim
16 words
A laser device as defined in claim 4 wherein said pumping means includes a flash lamp.
Claim 7
Dependent Claim
17 words
A laser device as defined in claim 4 wherein said pumping means includes a pair of flashlamps.
References Cited (Backward Citations)
US3679996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |