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US3358243A
Expired / Lapsed
US
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Laser having interferometer controlled oscillatory modes
Assignee: Unisys Corp
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Filing: 1963-03-25
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Granted: 1967-12-12
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Stuart A Collins
- 👤 George R White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:08
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/08; H01S3/08018; H01S3/08022; H01S3/08031; H01S3/08036; H01S3/086; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A LASER COMPRISING A RESONANT CAVITY COMPRISING FIRST AND SECOND REFLECTIVE SURFACES SEPARATED FROM EACH OTHER ALONG AN AXIS, AN ETALON COMPRISING THIRD AND FOURTH REFLECTIVE SURFACES POSITIONED ALONG SAID AXIS BETWEEN SAID FIRST AND SECOND REFLECTIVE SURFACES, SAID ETALON BEING TILTED RELATIVE TO SAID AXIS FOR CONTROLLING THE FREQUENCY AND BEAM ANGLE OF THE LASER OUTPUT, LASER MATERIAL WITHIN SAID CAVITY DIRECTLY BETWEEN SAID FIRST AND THIRD REFLECTIVE SURFACES FOR PRODUCING A BEAM OF COHERENT LIGHT ALONG SAID AXIS, AND PUMPING MEANS FOR EXCITING SAID LASER MATERIAL.
Claim 2
Dependent Claim
88 words
A LASER COMPRISING A RESONANT CAVITY COMPRISING FIRST AND SECOND REFLECTIVE SURFACES SEPARATED FROM EACH OTHER ALONG AN AXIS, AN ETALON COMPRISING THIRD AND FOURTH REFLECTIVE SURFACES POSITIONED ALONG SAID AXIS BETWEEN SAID FIRST AND SECOND REFLECTIVE SURFACES, SAID ETALON BEING TILTED RELATIVE TO SAID AXIS FOR CONTROLLING THE FREQUENCY AND BEAM ANGLE OF THE LASER OUTPUT, LASER MATERIAL WITHIN SAID CAVITY DIRECTLY BETWEEN SAID FIRST AND THIRD REFLECTIVE SURFACES FOR PRODUCING A BEAM OF COHERENT LIGHT ALONG SAID AXIS, AND PUMPING MEANS FOR EXCITING SAID LASER MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |