US3597624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical raman oscillator employing colloidal suspension or emulsion
Assignee: AT&T Inc
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Filing: 1969-01-30
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Granted: 1971-08-03
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Expires: 1989-01-30
Abstract
Abstract A coherent optical Raman oscillator is disclosed in which the tendency to filament formation is reduced without proportionally impairing stimulated Raman scattering strength by employing a colloidal suspension or emulsion of Raman-active particles in an inactive medium or of colloidal-size inactive particles in a Raman-active medium. Other bodies of size smaller than a wavelength of Raman-scattered light may also be used.
Inventors
- 👤 Daniel Weiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/30
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
27 words
A coherent optical device according to claim 1 including means for resonating said first radiation to stimulate said first radiation and produce oscillation at said Raman-shifted frequency.
Claim 2
Dependent Claim
40 words
A coherent optical device according to claim 1 in which the Raman-active medium is a Raman-active liquid, and the second medium is an inactive liquid, said liquids being combined in an emulsion, said device including a container for said emulsion.
Claim 3
Dependent Claim
39 words
A coherent optical device according to claim 1 including means for resonating the first radiation stimulate said first radiation and produce oscillation at said Raman-shifted frequency, the container having side walls that are substantially reflective at the Raman-shifted frequency.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |