US3858124A
Expired / Lapsed
US
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Organ monocrystalline light wavelength changing element
Assignee: Raytheon Co
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Filing: 1972-06-12
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Granted: 1974-12-31
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Expires: 1992-06-12
Abstract
Abstract An organic monocrystalline light wavelength changing element for converting coherent light in the infra-red region to coherent light in the green region, the monocrystalline element being selected from at least one of a family of certain coumarin dyes or quinine sulfate.
Inventors
- 👤 M Bass
- 👤 D Bua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:13
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
51 words
IN COMBINATION: OPTICALLY PERMEABLE CRYSTAL MEANS FORMED FROM AT LEAST ONE OF THE GROUP OF MATERIALS CONSISTING OF COUMARIN; 7DIETHYLAMINO - 4-METHYLCOUMARIN; 7-HYDROXYCOUMARIN; AND QUININE SULFATE; AND MEANS FOR SHIFTING THE WAVELENGTH OF COHERENT LIGHT COMPRISING INTRODUCING SAID COHERENT LIGHT HAVING A WAVELENGTH WITHIN THE INFRA-RED REGION INTO THE CRYSTAL MEANS.
Claim 2
Dependent Claim
51 words
IN COMBINATION: OPTICALLY PERMEABLE CRYSTAL MEANS FORMED FROM AT LEAST ONE OF THE GROUP OF MATERIALS CONSISTING OF COUMARIN; 7DIETHYLAMINO - 4-METHYLCOUMARIN; 7-HYDROXYCOUMARIN; AND QUININE SULFATE; AND MEANS FOR SHIFTING THE WAVELENGTH OF COHERENT LIGHT COMPRISING INTRODUCING SAID COHERENT LIGHT HAVING A WAVELENGTH WITHIN THE INFRA-RED REGION INTO THE CRYSTAL MEANS.
Claim 3
Dependent Claim
17 words
The combination according to claim 1, wherein: the material forming the optically permeable crystal means is monocrystalline.
Claim 4
Dependent Claim
19 words
The combination according to claim 1, wherein: the material forming the optically permeable crystal means includes a powder sample.
Claim 5
Dependent Claim
60 words
A wavelength shifting device responsive to coherent light in the infra-red region comprising: solid monocrystalline material formed from at least one of the group of materials consisting of coumarin; 7-diethylamino - 4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for introducing substantially coherent light having a wavelength within the infra-red region into said material to shift the wavelength of said light.
Claim 6
Dependent Claim
60 words
A wavelength shifting device responsive to coherent light in the infra-red region comprising: solid monocrystalline material formed from at least one of the group of materials consisting of coumarin; 7-diethylamino - 4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for introducing substantially coherent light having a wavelength within the infra-red region into said material to shift the wavelength of said light.
Claim 7
Dependent Claim
74 words
A wavelength shifting deVice for generating coherent light in the visible green region in combination with a source of coherent light in the infra-red region illuminating said device, the device comprising: solid monocrystalline material formed from at least one of the group of materials consisting of coumarin; 7-hydroxycoumarin; 7-diethylamino - 4-methylcoumarin; and quinine sulfate; and means for introducing substantially coherent light from said source into said material to shift the wavelength of said light.
Claim 8
Dependent Claim
74 words
A wavelength shifting deVice for generating coherent light in the visible green region in combination with a source of coherent light in the infra-red region illuminating said device, the device comprising: solid monocrystalline material formed from at least one of the group of materials consisting of coumarin; 7-hydroxycoumarin; 7-diethylamino - 4-methylcoumarin; and quinine sulfate; and means for introducing substantially coherent light from said source into said material to shift the wavelength of said light.
Claim 9
Dependent Claim
47 words
An optical modulator comprising: optically permeable crystal means formed from at least one of the group of materials consisting of coumarin; 7-diethylamino -4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for introducing coherent light within the wavelength range from 1.05 microns to 1.10 microns into the crystal means.
Claim 10
Dependent Claim
47 words
An optical modulator comprising: optically permeable crystal means formed from at least one of the group of materials consisting of coumarin; 7-diethylamino -4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for introducing coherent light within the wavelength range from 1.05 microns to 1.10 microns into the crystal means.
Claim 11
Dependent Claim
20 words
An optical modulator according to claim 6, wherein: the material forming the optically permeable crystal means includes a monocrystalline element.
Claim 12
Dependent Claim
20 words
An optical modulator according to claim 6, wherein: the material forming the optically permeable crystal means includes a powder sample.
Claim 13
Dependent Claim
66 words
An optical modulator comprising: an optically permeable monocrystalline structure formed from at least one of the group of materials consisting of coumarin; 7-diethylamino - 4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for shifting the wavelength of a beam of coherent light comprising illuminating at least a portion of the monocrystalline structure surface with said coherent light within the wavelength range from 1.05 microns to 1.10 microns.
Claim 14
Dependent Claim
66 words
An optical modulator comprising: an optically permeable monocrystalline structure formed from at least one of the group of materials consisting of coumarin; 7-diethylamino - 4-methylcoumarin; 7-hydroxycoumarin; and quinine sulfate; and means for shifting the wavelength of a beam of coherent light comprising illuminating at least a portion of the monocrystalline structure surface with said coherent light within the wavelength range from 1.05 microns to 1.10 microns.
Claim 15
Dependent Claim
50 words
In combination: means for producing a beam of coherent light of a predetermined wavelength; and monocrystalline means exposed to said beam for producing a harmonic of said light, said monocrystalline means comprising at least one of the group of materials consisting of coumarin; 7-hydroxycoumarin; 7-diethylamino - 4-methylcoumarin; and quinine sulfate.
Claim 16
Dependent Claim
50 words
In combination: means for producing a beam of coherent light of a predetermined wavelength; and monocrystalline means exposed to said beam for producing a harmonic of said light, said monocrystalline means comprising at least one of the group of materials consisting of coumarin; 7-hydroxycoumarin; 7-diethylamino - 4-methylcoumarin; and quinine sulfate.
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) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |