Patent USH437H successfully refreshed from Google Patents.
USH437H
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser medium for dye lasers
Assignee: United States Department of the Army
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Filing: 1987-06-15
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Granted: 1988-02-02
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Expires: 2007-06-15
Abstract
Abstract A polydisperse aggregate of very small solid particles that form voids therebetween with a lasing dye solution in said voids to form a laser host medium is disclosed.
Inventors
- 👤 Raymond W. Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:54
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/16; H01S3/168
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
56 words
A laser host medium comprising an aggregate of very small polydisperse particles of quartz or other solid material having appropriate thermal, mechanical and optical properties for laser material, said particles having sizes from about 1 micron to about 15 microns, said particles defining interstitical voids between the particles and a lasing dye solution filling said voids.
Claim 2
Dependent Claim
56 words
A laser host medium comprising an aggregate of very small polydisperse particles of quartz or other solid material having appropriate thermal, mechanical and optical properties for laser material, said particles having sizes from about 1 micron to about 15 microns, said particles defining interstitical voids between the particles and a lasing dye solution filling said voids.
Claim 3
Dependent Claim
25 words
A laser host medium as set forth in claim 1, wherein said particles are made of quartz and said lasing dye solution is Rhodamine 6G.
Claim 4
Dependent Claim
17 words
A laser host medium as set forth in claim 1, wherein said particles are of random shapes.
Claim 5
Dependent Claim
31 words
A laser host material as set forth in claim 3, wherein said particles are of different sizes, said particles are made of quartz, and said lasing dye solution is Rhodamine 6G.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-02-01 | 1991-08-03 | 1992-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-02-01 | 1995-08-03 | 1996-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-02-01 | 1999-08-03 | 2000-02-02 | $7700.00 | Window Closed / Lapsed |