US4041323A
Expired / Lapsed
US
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Non-linear optical frequency doubling devices
Assignee: Siemens AG
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Filing: 1975-09-25
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Granted: 1977-08-09
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Expires: 1995-09-25
Abstract
Abstract A non-linear optical frequency doubling device comprised of a laser means producing infrared light and crystal optically connected therewith for receiving such light and doubling the frequency thereof. The crystal is composed of M[Hg (SCN) 4 ] wherein M is selected from the group consisting of Cd and Zn.
Inventors
- 👤 Wilhelm Sturmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:20
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/3551
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
53 words
a frequenc-doubling non-linear optical device comprising a laser means producing infrared light and a crystal optically connected therewith for receiving said light and doubling the frequency thereof, said crystal being composed of a material corresponding to the formula M[Hg(SCN) 4 ] wherein M is selected from the group consisting of Cd and Zn.
Claim 2
Dependent Claim
53 words
a frequenc-doubling non-linear optical device comprising a laser means producing infrared light and a crystal optically connected therewith for receiving said light and doubling the frequency thereof, said crystal being composed of a material corresponding to the formula M[Hg(SCN) 4 ] wherein M is selected from the group consisting of Cd and Zn.
Claim 3
Dependent Claim
58 words
A frequency doubling non-linear optical device comprising a laser means producing infrared light of 1.06μ and a crystal optically connected therewith for receiving said light and converting the frequency thereof to 0.53μ, said crystal being composed of a material corresponding to the formula M[Hg(SCN) 4 ] wherein M is selected from the group consisting of Cd and Zn.
Claim 4
Dependent Claim
58 words
A frequency doubling non-linear optical device comprising a laser means producing infrared light of 1.06μ and a crystal optically connected therewith for receiving said light and converting the frequency thereof to 0.53μ, said crystal being composed of a material corresponding to the formula M[Hg(SCN) 4 ] wherein M is selected from the group consisting of Cd and Zn.
References Cited (Backward Citations)
US3371265A
Cited
US3840347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |