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US4878224A Expired / Lapsed US ⏱️ 0.0 years remaining

Dye lasers

Assignee: Hoechst Celanese Chemical Co
•
Filing: 1988-09-16
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Granted: 1989-10-31
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Expires: 2008-09-16
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Abstract

Abstract In one embodiment this invention provides a tunable laser device which is characterized by a dye laser medium which consists of a porous glass matrix containing an incorporated solution of a lasing dye, and which is adapted to operate continuously in combination with an optical pumping means.

Inventors

  • 👤 James E. Kuder
  • 👤 James L. McGinnis
  • 👤 Harris A. Goldberg
  • 👤 Timothy R. Hart
  • 👤 Tessie M. Che

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 06:46
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/022; H01S3/14; H01S3/16; H01S3/168

Claims Analysis

Total Claims: 26
Claim 1
Independent Claim 40 words
A dye laser consisting of a composite composition of an inorganic oxide glass monolith with a microporous structure containing an incorporated solution comprising a solvent component and a lasable dye component, and wherein the glass monolith has sealed outer surfaces.
Claim 2
Dependent Claim 40 words
A dye laser consisting of a composite composition of an inorganic oxide glass monolith with a microporous structure containing an incorporated solution comprising a solvent component and a lasable dye component, and wherein the glass monolith has sealed outer surfaces.
Claim 3
Dependent Claim 18 words
A dye laser in accordance with claim 1 wherein the inorganic oxide comprises silica, alumina, titania or zirconia.
Claim 4
Dependent Claim 24 words
A dye laser in accordance with claim 1 wherein the inorganic oxide comprises a mixture of silica and at least one additional inorganic oxide.
Claim 5
Dependent Claim 24 words
A dye laser in accordance with claim 1 wherein the glass monolith microporous structure has pore diameters in the range between about 15-2000 angstroms.
Claim 6
Dependent Claim 19 words
A dye laser in accordance with claim 1 wherein the glass monolith is produced by a sol gel process.
Claim 7
Dependent Claim 26 words
A dye laser in accordance with claim 1 wherein between about 80-100 percent of the glass monolith microporous structure volume is filled with the incorporated solution.
Claim 8
Dependent Claim 24 words
A dye laser in accordance with claim 1 wherein the dye concentration of the incorporated solution is between about 10 -2 -10 -4 molar.
Claim 9
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a cyanine compound.
Claim 10
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a xanthene compound.
Claim 11
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a triarylmethane compound.
Claim 12
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a acridine compound.
Claim 13
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a azine compound.
Claim 14
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a chlorophyll compound.
Claim 15
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a polyphenylene compound.
Claim 16
Dependent Claim 18 words
A dye laser in accordance with claim 1 wherein the lasing dye is a condensed aromatic ring compound.
Claim 17
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a coumarin compound.
Claim 18
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a oxazole compound.
Claim 19
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a phthalimide compound.
Claim 20
Dependent Claim 16 words
A dye laser in accordance with claim 1 wherein the lasing dye is a pteridine compound.
Claim 21
Dependent Claim 22 words
A dye laser in accordance with claim 1 wherein the outer surfaces of the glass monolith are sealed with an inorganic sealant.
Claim 22
Dependent Claim 22 words
A dye laser in accordance with claim 1 wherein the outer surfaces of the glass monolith are sealed with an organic sealant.
Claim 23
Dependent Claim 74 words
A tunable lasing system which comprises a laser cavity containing a laser dye medium, and an optical pumping excitation means coupled with the dye medium and producing stimulated emission of the dye medium; wherein the dye medium consists of a composite composition of an inorganic oxide glass monolith with a microporous structure containing an incorporated solution comprising a solvent component and a lasable dye component, and wherein the glass monolith has sealed outer surfaces.
Claim 24
Dependent Claim 74 words
A tunable lasing system which comprises a laser cavity containing a laser dye medium, and an optical pumping excitation means coupled with the dye medium and producing stimulated emission of the dye medium; wherein the dye medium consists of a composite composition of an inorganic oxide glass monolith with a microporous structure containing an incorporated solution comprising a solvent component and a lasable dye component, and wherein the glass monolith has sealed outer surfaces.
Claim 25
Dependent Claim 20 words
A tunable lasing system in accordance with claim 22 which is operable with a pulsed or continuous optical pumping mode.
Claim 26
Dependent Claim 25 words
A tunable lasing system in accordance with claim 22 wherein the excitation means is an argon ion laser, and the dye is a rhodamine compound.

References Cited (Backward Citations)

US4765818A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-10-30 1993-05-01 1993-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-10-30 1997-05-01 1997-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-10-30 2001-05-01 2001-10-31 $7700.00 Window Closed / Lapsed

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