US3597701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical q-switching of lasers
Assignee: International Standard Electric Corp
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Filing: 1969-02-13
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Granted: 1971-08-03
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Expires: 1989-02-13
Abstract
Abstract Apparatus for improving the Q-switching of a laser beam wherein a critical transmission prism is placed in the Fabry-Perot interferometric cavity. In one embodiment, two Lummer-Gehrke plates are joined by their end faces in a V-shape to form said critical transmission prism having an aligned input and output. In a second embodiment, two Lummer-Gehrke plates are joined to a prism to form said critical transmission prism having an aligned input and output.
Inventors
- 👤 Jean Eugene Martia Cornillault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:14
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1123; H01S3/121; H01S3/05; H01S3/08; H01S3/081
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
A critical transmission prism according to claim 1 wherein said two plates are directly joined one to the other at their ends.
Claim 2
Dependent Claim
40 words
A critical transmission prism, according to claim 2, wherein said end faces are optically polished pressure formed faces, further including; a base which is rotatable about an axis perpendicular to said base, said compound prism being attached to said base.
Claim 3
Dependent Claim
23 words
A critical transmission prism, according to claim 1, further including a second prism, said plates being joined at their ends to said prism.
Claim 4
Dependent Claim
40 words
A critical transmission prism, according to claim 4, wherein said end faces are optically polished pressure joined faces, further including; a base which is rotatable about an axis perpendicular to said base, said compound prism being attached to said base.
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) | 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 |