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US3729690A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for producing and amplifying optical energy

Assignee: American Optical Corp
•
Filing: 1969-11-17
•
Granted: 1973-04-24
•
Expires: 1989-11-17
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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)

US3183193A Cited
US3147225A Cited
US3032428A Cited
US3079347A Cited

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

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