US3200342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical frequency parametric amplifier and oscillator
Assignee: AT&T Inc
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Filing: 1963-08-30
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Granted: 1965-08-10
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Lynden U Kibler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:10
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/39
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
APPARATUS FOR THE PARAMETRIC GENERATION OF LIGHT COMPRISING A LASER SOURCE OF PUMPING LIGHT OF FREQUENCY WP, A CONFOCAL CAVITY RESONANT AT A FREQUENCY W LESS THAN THE FREQUENCY OF SAID PUMPING LIGHT, MATERIAL EXHIBITING A SIGNIFICANT ABSORBTION BAND EDGE SHIFT IN RESPONSE TO THE APPLICATION OF AN EXTERNAL ELECTRIC FIELD, SAID MATERIAL BEING FORMED INTO A PRISMATIC WEDGE HAVING A BASE POSITIONED IN THE VICINITY OF THE FOCUS OF SAID CAVITY, SAID BASE BEING TOTALLY INTERNALLY REFLECTING FOR ENERGY REFLECTED ALONG THE CAVITY AXIS FROM THE CAVITY EXTREMITIES, MEANS FOR APPLYING SAID PUMPING LIGHT TO SAID WEDGE IN THE VI-
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |