US3729690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for producing and amplifying optical energy
Assignee: American Optical Corp
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Filing: 1969-11-17
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Granted: 1973-04-24
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Expires: 1989-11-17
Abstract
Abstract Laser device and laserable material with glassy host of nongaseous non-periodic atomic structure.
Inventors
- 👤 E Snitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:00
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/063; H01S3/067; H01S3/06754; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/095; C03C4/00; C03C4/0071; H01S3/06708; H01S3/06716; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/14; H01S3/16; H01S3/17; H04; H04B; H04B10/00; H04B10/29; H04B10/291; H04B10/2912; H01S3/06704; H01S3/1601; H01S3/1603; H01S3/178
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
18 words
A laserable glassy material according to claim 1 wherein said host material is comprised of an inorganic glass.
Claim 2
Dependent Claim
52 words
A laserable glassy material according to claim 2 wherein said inorganic glass is selected from a group consisting of barium crown glass, soda-lime silicate glass, flint glass, lead silicate glass, sodium borate glasses, high silica borosilicate glass, germanate glasses, aluminum zinc phosphate glasses, beryllium fluoride glass, silicate glasses, and arsenic trisulfide glass.
Claim 3
Dependent Claim
18 words
A laserable glassy material according to claim 1 wherein said host material is comprised of an organic glass.
Claim 4
Dependent Claim
36 words
A laserable glassy material according to claim 4 wherein said organic glass is selected from a group consisting of a methyl methacrylate organic glass, an acrylic organic glass, a vinyl chloride organic glass, glycerine, and ether-isopentane-alcohol.
Claim 5
Dependent Claim
16 words
A laserable glassy material according to claim 1 wherein said host material is a silicate glass.
Claim 6
Dependent Claim
71 words
A laserable glassy material according to claim 1 wherein said host material comprises a glassy material selected from a group consisting of barium crown glass, soda-lime silicate glass, flint glass, lead silicate glass, sodium borate glasses, high silica borosilicate glaSs, germanate glasses, aluminum zinc phosphate glasses, beryllium fluoride glass, silicate glasses, arsenic trisulfide glass, a methyl methacrylate organic glass, an acrylic organic glass, a vinyl chloride organic glass, glycerine, and ether-isopentane-alcohol.
Claim 7
Dependent Claim
148 words
A laser component having a structure providing a wave propagation path, all surfaces of said component in said wave propagation path having total scattering of sufficiently low value to permit light energy by stimulated emission in excess of all light energy losses and at least a portion of a surface of said structure in said propagation path being at least partially transmissive of laser emissive light, said component comprising a glassy host material containing a quantity of a fluorescent ingredient which is comprised of trivalent neodymium and which, in relation to the prevailing laser emissive light absorptive characteristics of said host material, supports in said host material a sufficient inversion in population between two energy levels of said fluorescent ingredient as to provide, at the wavelength of stimulated emission of said fluorescent ingredient, light energy by stimulated emission in excess of all light energy losses in said component.
Claim 8
Dependent Claim
19 words
A laser component according to claim 8 wherein said component is at least partially surrounded by a cladding material.
Claim 9
Dependent Claim
22 words
A laser component according to claim 9 wherein said cladding material has a lower index of refraction than that of said component.
Claim 10
Dependent Claim
15 words
A laser component according to claim 9 wherein said host material is an inorganic material.
Claim 11
Dependent Claim
15 words
A laser component according to claim 9 wherein said host material is an organic material.
Claim 12
Dependent Claim
15 words
A laser component according to claim 11 wherein said cladding material is an inorganic material.
Claim 13
Dependent Claim
15 words
A laser component according to claim 11 wherein said cladding material is an organic material.
Claim 14
Dependent Claim
15 words
A laser component according to claim 12 wherein said cladding material is an inorganic material.
Claim 15
Dependent Claim
15 words
A laser component according to claim 12 wherein said cladding material is an organic material.
Claim 16
Dependent Claim
17 words
A laser component according to claim 8 wherein said host material is comprised of an inorganic glass.
Claim 17
Dependent Claim
51 words
A laser component according to claim 17 wherein said inorganic glass is selected from a group consisting of barium crown glass, soda-lime silicate glass, flint glass, lead silicate glass, sodium borate glasses, high silica borosilicate glass, germanate glasses, aluminum zinc phosphate glasses, beryllium fluoride glass, silicate glasses, and arsenic trisulfide glass.
Claim 18
Dependent Claim
17 words
A laser component according to claim 8 wherein said host material is comprised of an organic glass.
Claim 19
Dependent Claim
35 words
A laser component according to claim 19 wherein said organic glass is selected from a group consisting of a methyl methacrylate organic glass, an acrylic organic glass, a vinyl chloride organic glass, glycerine, and ether-isopentane-alcohol.
Claim 20
Dependent Claim
15 words
A laser component according to claim 8 wherein said host material is a silicate glass.
Claim 21
Dependent Claim
70 words
A laser component according to claim 8 wherein said host material comprises a glassy material selected from a group consisting of barium crown glass, soda-lime silicate glass, flint glass, lead silicate glass, sodium borate glasses, high silica borosilicate glass, germanate glasses, aluminum zinc phosphate glasses, beryllium fluoride glass, silicate glasses, arsenic trisulfide glass, a methyl methacrylate organic glass, an acrylic organic glass, a vinyl chloride organic glass, glycerine, and ether-isopentane-alcohol.
Claim 22
Dependent Claim
30 words
A laser component according to claim 8 wherein said component is at least partially surrounded by a cladding material having an index of refraction different from that of said component.
Claim 23
Dependent Claim
167 words
A laser device comprising a laser component having a structure providing a wave propagation path, all surfaces of said component in said wave propagation path having total scattering of sufficiently low value to permit light energy by stimulated emission in excess of all light energy losses and at least a portion of a surface of said structure in said propagation path being at least partially transmissive of laser emissive light, said component comprising a glassy host material containing a quantity of a fluorescent ingredient which is comprised of trivalent neodymium and which, in relation to the prevailing laser emissive light absorptive characteristics of said host material, supports in said host material a sufficient inversion in population between two energy levels of said fluorescent ingredient as to provide, at the wavelength of stimulated emission of said fluorescent ingredient, light energy by stimulated emission in excess of all light energy losses in said device, and a source of pumping energy directed into said component for establishing said population inversion.
Claim 24
Dependent Claim
23 words
A laser device according to claim 24 wherein a surface in said propagation path is at least partially reflecting of laser emissive light.
Claim 25
Dependent Claim
43 words
A laser device according to claim 24 wherein said component is comprised of an elongated core and a cladding material of a refractive index different from that of said core, said clad core having spaced helical turns surrounding said source of pumping energy.
Claim 26
Dependent Claim
34 words
A laser device according to claim 24 wherein said structure comprises two surfaces, spaced from one another along said path, and providing reflective and at least partially reflective end terminations for said propagation path.
Claim 27
Dependent Claim
21 words
A laser device according to claim 24 wherein said component is comprised of a plurality of substantially parallel laser emissive elements.
Claim 28
Dependent Claim
19 words
A laser device according to claim 28 wherein said elements are clad fibers in bunched relation to each other.
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |