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US4730335A Expired / Lapsed US ⏱️ 0.0 years remaining

Solid state laser and method of making

Assignee: Scientific Atlanta LLC
•
Filing: 1986-06-26
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Granted: 1988-03-08
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Expires: 2006-06-26
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Abstract

Abstract An optically pumped solid state laser which is constructed of components having attached fittings which are structured in such a manner that the components are automatically arranged with respect to one another along an optical path upon joining the fittings together.

Inventors

  • 👤 John H. Clark
  • 👤 Dennis L. Werth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:21
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/025; H01S3/05; H01S3/08; H01S3/09; H01S3/091; H01S3/0915; H01S3/0933; H01S3/094; H01S3/0941; H01S3/09415; H01S3/10; H01S3/106; H01S3/108; H01S3/06; H01S3/0619; H01S3/0621

Claims Analysis

Total Claims: 27
Claim 1
Independent Claim 86 words
An optically pumped laser comprising: (a) solid state component means for generating laser light, said solid state component means comprising a plurality of solid state components which include a solid lasant material and solid state optical pumping means for optically pumping said lasant material; and (b) fitting means for arranging the components with respect to one another along an optical path within predetermined tolerances, said fitting means comprising a plurality of complementary configured fittings which are interlockingly coupled to each other and positioned on said components.
Claim 2
Dependent Claim 86 words
An optically pumped laser comprising: (a) solid state component means for generating laser light, said solid state component means comprising a plurality of solid state components which include a solid lasant material and solid state optical pumping means for optically pumping said lasant material; and (b) fitting means for arranging the components with respect to one another along an optical path within predetermined tolerances, said fitting means comprising a plurality of complementary configured fittings which are interlockingly coupled to each other and positioned on said components.
Claim 3
Dependent Claim 23 words
The optically pumped laser of claim 1 wherein at least one of said fittings is positioned on two or more of said components.
Claim 4
Dependent Claim 31 words
The optically pumped laser of claim 1 wherein said fittings are comprised of at least one material selected from the group consisting of metals, ceramics, glass, thermoplastic materials and thermosetting materials.
Claim 5
Dependent Claim 44 words
The optically pumped laser of claim 3 wherein at least one of the components is a passive optical component and both it and its associated fitting are fabricated from the same material which is selected from the group consisting of thermoplastic materials and glass.
Claim 6
Dependent Claim 38 words
The optically pumped laser of claim 3 wherein said fittings are comprised of at least one thermoplastic material and at least one of said components is attached to its associated fitting by injection molding the fitting around it.
Claim 7
Dependent Claim 16 words
The optically pumped laser of claim 1 wherein said fittings are joined together within a housing.
Claim 8
Dependent Claim 15 words
The optically pumped laser of claim 6 wherein said housing is substantially tubular in shape,
Claim 9
Dependent Claim 27 words
The optically pumped laser of claim 6 wherein said housing is comprised of at least one material selected from the group consisting of metals, plastics and ceramics.
Claim 10
Dependent Claim 20 words
The optically pumped laser of claim 1 wherein said optical pumping means is comprised of at least one laser diode.
Claim 11
Dependent Claim 27 words
The optically pumped laser of claim 9 wherein said laser diode is comprised of gallium aluminum arsenide and said lasant material is a neodymium-doped yttrium aluminum garnet.
Claim 12
Dependent Claim 20 words
The optically pumped laser of claim 1 wherein said optical pumping means is comprised of at least one light-emitting diode.
Claim 13
Dependent Claim 21 words
The optically pumped laser of claim 1 wherein said optical pumping means is comprised of at least one laser diode array.
Claim 14
Dependent Claim 28 words
The optically pumped laser of claim 1 wherein said lasant material is comprised of a glass optical fiber which is doped with ions of a rare earth metal.
Claim 15
Dependent Claim 27 words
The optically pumped laser of claim 1 which comprises as an additional component, optical means for focusing light from said optical pumping means onto said lasant material.
Claim 16
Dependent Claim 26 words
The optically pumped laser of claim 14 wherein light from said optical pumping means is focused onto an end of a rod of said lasant material.
Claim 17
Dependent Claim 26 words
The optically pumped laser of claim, 14 wherein light from said optical pumping means is focused onto an end of a fiber of said lasant material.
Claim 18
Dependent Claim 24 words
The optically pumped laser of claim 14 wherein said optical means for focusing light from said optical pumping means is a gradient index lens.
Claim 19
Dependent Claim 47 words
The optically pumped laser of claim 1 which comprises as an additional component, a nonlinear optical material through which output radiation from said lasant material is passed and wherein said nonlinear optical material is effective to modify the frequency of said output radiation from the lasant material.
Claim 20
Dependent Claim 24 words
The optically pumped laser of claim 18 wherein said nonlinear optical material is effective to frequency double said output radiation from the lasant material.
Claim 21
Dependent Claim 25 words
The optically pumped laser of claim 18 wherein said lasant material is neodymium-doped yttrium aluminum garnet and said nonlinear optical material is potassium titanyl phosphate.
Claim 22
Dependent Claim 23 words
The optically pumped laser of claim 1 which comprises as an additional component, optical means for collimating the output radiation of said laser.
Claim 23
Dependent Claim 20 words
The optically pumped laser of claim 1 wherein said fitting means comprises at least one set of threadedly engaging fittings.
Claim 24
Dependent Claim 20 words
The optically pumped laser of claim 1 wherein said fitting means comprises at least one set of telescopically engaging fittings.
Claim 25
Dependent Claim 35 words
The optically pumped laser of claim 1 wherein at least one of said fittings comprises a male member and at least one other of said fittings comprises a female member for receiving said male member.
Claim 26
Independent Claim 78 words
A method for making a multi-component optically pumped solid state laser which comprises: (a) inserting the components of said laser into a plurality of complementary configured interlocking fittings, wherein said components comprise a solid lasant material and solid state optical pumping means for optically pumping said lasant material; (b) joining the fittings together whereby said components are positioned with respect to one another along an optical path within predetermined tolerances; and (c) bonding said fittings to each other.
Claim 27
Independent Claim 78 words
A method for making a multi-component optically pumped solid state laser which comprises: (a) inserting the components of said laser into a plurality of complementary configured interlocking fittings, wherein said components comprise a solid lasant material and solid state optical pumping means for optically pumping said lasant material; (b) joining the fittings together whereby said components are positioned with respect to one another along an optical path within predetermined tolerances; and (c) bonding said fittings to each other.

References Cited (Backward Citations)

US4037172A Cited
US4045129A Cited
US4509175A Cited
US4525842A Cited
US4656635A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-03-08 1991-09-07 1992-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-03-08 1995-09-07 1996-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-03-08 1999-09-07 2000-03-08 $7700.00 Window Closed / Lapsed

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