Patent US3614652A successfully refreshed from Google Patents.
US3614652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical windows for lasers
Assignee: O NICOLAI VAN
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Filing: 1970-04-24
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Granted: 1971-10-19
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Expires: 1990-04-24
Abstract
Abstract A gallium antimonide optical window component for use in highpower gas phase lasers.
Inventors
- 👤 O Van Nicolai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:50
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/03; H01S3/034
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
In system for the generation of high-power coherent beams of radiation in the far infrared including a tube containing a gas mixture having optical windows disposed at the ends of the tube, means for exciting the gas mixture to produce laser radiation in the far infrared and means for coupling said laser radiation from said mixture; the improvement comprising gallium antimonide as a far infrared window material.
Claim 2
Dependent Claim
67 words
In system for the generation of high-power coherent beams of radiation in the far infrared including a tube containing a gas mixture having optical windows disposed at the ends of the tube, means for exciting the gas mixture to produce laser radiation in the far infrared and means for coupling said laser radiation from said mixture; the improvement comprising gallium antimonide as a far infrared window material.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |