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US5058118A
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Self-frequency-doubling minilaser device with NYAB crystal as laser materials
Assignee: Fujian Institute of Research on the Structure of Matter
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Filing: 1990-04-05
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Granted: 1991-10-15
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Expires: 2010-04-05
Abstract
Abstract A minilaser device exhibiting both laser and non-linear optical effects. The device includes a single laser crystal bar of NYAB which inhibits non-linear characteristics and serves as a self-frequency-doubling crystal having the laser and non-linear optical effects, and a pumping source for the device to generate laser light.
Inventors
- 👤 Minwang Qui
- 👤 Yichuan Huang
- 👤 Aidong Jiang
- 👤 Zundu Luo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:24
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/3551; H; H01; H01S; H01S3/00; H01S3/10; H01S3/106; H01S3/108; H01S3/109; H01S3/14; H01S3/16; H01S3/1095; H01S3/163; H01S3/1666
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
91 words
A minilaser device with both laser and non-linear optical effects comprising: a single crystal-bar of Nd x Y 1-x Al 3 (BO 3 ) 4 where (x=0.03→0.08) and serves as a self-frequency-doubling crystal capable of performing a frequency conversion process within the crystal; and a pumping source for optically pumping said single crystal bar of said device to generate a laser light output from said single crystal bar of 0.532 μm and 0.660 μm, said pumping source being selected from one of a coherent pumping source and an incoherent pumping source.
Claim 2
Dependent Claim
91 words
A minilaser device with both laser and non-linear optical effects comprising: a single crystal-bar of Nd x Y 1-x Al 3 (BO 3 ) 4 where (x=0.03→0.08) and serves as a self-frequency-doubling crystal capable of performing a frequency conversion process within the crystal; and a pumping source for optically pumping said single crystal bar of said device to generate a laser light output from said single crystal bar of 0.532 μm and 0.660 μm, said pumping source being selected from one of a coherent pumping source and an incoherent pumping source.
Claim 3
Dependent Claim
28 words
The minilaser device as claimed in claim 1, wherein said single crystal-bar is cut in accordance with a phase-matching angle of a Type I or Type II crystal.
Claim 4
Dependent Claim
32 words
The minilaser device as claimed in claim 1 or 2, wherein said incoherent pumping source is selected from the group consistent of a straight-shaped lamp, a spiral-shaped lamp, or an annuloid lamp.
Claim 5
Dependent Claim
18 words
The minilaser device as claimed in claim 3, wherein said incoherent pumping source is either pulsed or continuous.
Claim 6
Dependent Claim
35 words
The minilaser device as claimed in claim 1, 2, or 4, wherein said incoherent pumping source is selected from the group consisting of a xenon lamp, a krypton lamp, or optical spectrum matched laser diodes.
Claim 7
Dependent Claim
30 words
The minilaser device as claimed in claim 5, wherein said incoherent pumping source is installed beside the side of said crystal bar or at one end of said crystal bar.
Claim 8
Dependent Claim
31 words
The minilaser device as claimed in claim 1 or 2, wherein said coherent pumping source is selected from the group consisting of a semi-conductor diode laser or array of diode laser.
Claim 9
Dependent Claim
17 words
The minilaser device as claimed in claim 7, wherein said coherent pumping source is pulsed or continuous.
Claim 10
Dependent Claim
30 words
The minilaser device as claimed in claim 8, wherein said coherent pumping source is installed beside the side of said crystal bar or at one end of said crystal bar.
Claim 11
Dependent Claim
26 words
The minilaser device as claimed in claim 7, wherein said laser diode or array of laser diodes generates waves in the range of 7000 Å-8500 Å.
Claim 12
Dependent Claim
30 words
The minilaser device as claimed in claim 4, wherein said incoherent pumping source is selected from the group consisting of xenon lamp, krypton lamp, or optical spectrum matched laser diodes.
Claim 13
Dependent Claim
20 words
The minilaser device as claimed in claim 10, wherein a peak output is in the range of 7400 Å-7500 Å.
Claim 14
Dependent Claim
20 words
The minilaser device as claimed in claim 10, wherein a peak output is in the range of 8000 Å-8100 Å.
References Cited (Backward Citations)
US4942582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-10-14 | 1995-04-15 | 1995-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-14 | 1999-04-15 | 1999-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-14 | 2003-04-15 | 2003-10-15 | $7700.00 | Window Closed / Lapsed |