US3239670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave modulation of optical radiation in a waveguide
Assignee: Individual
•
Filing: 1961-11-17
•
Granted: 1966-03-08
•
Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
- 👤 Bloembergen Nicolaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:22
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/11; G02F1/03; G02F1/0344; G02F1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
APPARATUS FOR MODULATING LIGHT AT MICROWAVE FREQUENCIES COMPRISING A LIGHT SOURCE, LIGHT POLARIZING MEANS POSITIONED TO BE ILLUMINATED BY SAID SOURCE, A MASS OF SOLID CRYSTALLINE MATERIAL EXHIBITING AN ELECRO-OPTIC EFFECT POSITIONED TO BE TRAVERSED BY LIGHT FROM SAID SOURCE POLARIZED BY SAID POLARIZING MEANS, A WAVE GUIDE DISPOSED ABOUT SAID MASS, MEANS TO IRRADIATE SAID MASS WITH MICROWAVE ENERGY PROPAGATED THROUGH SAID MASS SUBSTANTIALLY PARALLEL TO THE PASSAGE OF SAID POLARIZED LIGHT THERETHROUGH, AND ANALYZER MEANS DISPOSED IN THE PATH OF SAID POLARIZED LIGHT UPON EMERGENCE FROM SAID MASS, SAID GUIDE IMPOSING UPON SAID ENERGY A PHASE VELOCITY SUBSTANTIALLY EQUAL TO THAT OF SAID LIGHT WITHIN SAID MASS.
Claim 2
Dependent Claim
109 words
APPARATUS FOR MODULATING LIGHT AT MICROWAVE FREQUENCIES COMPRISING A LIGHT SOURCE, LIGHT POLARIZING MEANS POSITIONED TO BE ILLUMINATED BY SAID SOURCE, A MASS OF SOLID CRYSTALLINE MATERIAL EXHIBITING AN ELECRO-OPTIC EFFECT POSITIONED TO BE TRAVERSED BY LIGHT FROM SAID SOURCE POLARIZED BY SAID POLARIZING MEANS, A WAVE GUIDE DISPOSED ABOUT SAID MASS, MEANS TO IRRADIATE SAID MASS WITH MICROWAVE ENERGY PROPAGATED THROUGH SAID MASS SUBSTANTIALLY PARALLEL TO THE PASSAGE OF SAID POLARIZED LIGHT THERETHROUGH, AND ANALYZER MEANS DISPOSED IN THE PATH OF SAID POLARIZED LIGHT UPON EMERGENCE FROM SAID MASS, SAID GUIDE IMPOSING UPON SAID ENERGY A PHASE VELOCITY SUBSTANTIALLY EQUAL TO THAT OF SAID LIGHT WITHIN SAID MASS.
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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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |