GB8622658D0 - Laser device - Google Patents
Laser deviceInfo
- Publication number
- GB8622658D0 GB8622658D0 GB868622658A GB8622658A GB8622658D0 GB 8622658 D0 GB8622658 D0 GB 8622658D0 GB 868622658 A GB868622658 A GB 868622658A GB 8622658 A GB8622658 A GB 8622658A GB 8622658 D0 GB8622658 D0 GB 8622658D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- laser device
- laser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06804—Stabilisation of laser output parameters by monitoring an external parameter, e.g. temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
- H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
- H01S5/227—Buried mesa structure ; Striped active layer
- H01S5/2275—Buried mesa structure ; Striped active layer mesa created by etching
- H01S5/2277—Buried mesa structure ; Striped active layer mesa created by etching double channel planar buried heterostructure [DCPBH] laser
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/06808—Stabilisation of laser output parameters by monitoring the electrical laser parameters, e.g. voltage or current
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Semiconductor Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853534744 DE3534744A1 (en) | 1985-09-28 | 1985-09-28 | LASER DEVICE WITH STABILIZED OUTPUT |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8622658D0 true GB8622658D0 (en) | 1986-10-22 |
GB2180985A GB2180985A (en) | 1987-04-08 |
GB2180985B GB2180985B (en) | 1989-10-25 |
Family
ID=6282285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8622658A Expired GB2180985B (en) | 1985-09-28 | 1986-09-19 | Laser device with stabilised power output |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU586279B2 (en) |
DE (1) | DE3534744A1 (en) |
GB (1) | GB2180985B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108988122A (en) * | 2018-09-30 | 2018-12-11 | 无锡源清瑞光激光科技有限公司 | A kind of quasi-continuous semiconductor laser control system of QCW suitable for laser spot welding |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR890002811B1 (en) * | 1986-11-04 | 1989-07-31 | 삼성전자 주식회사 | Laser diode |
DE3907423C2 (en) * | 1989-03-08 | 1993-12-16 | Kommunikations Elektronik | Circuit arrangement for the transmission of optical signals via optical fibers |
DE4026087C2 (en) * | 1990-08-17 | 1996-12-12 | Hell Ag Linotype | Method and circuit arrangement for controlling a laser diode |
US5140605A (en) * | 1991-06-27 | 1992-08-18 | Xerox Corporation | Thermally stabilized diode laser structure |
JP3518834B2 (en) * | 1996-12-14 | 2004-04-12 | 株式会社東芝 | Semiconductor light emitting device and optical fiber transmission system |
DE102017112101A1 (en) * | 2017-06-01 | 2018-12-06 | Osram Opto Semiconductors Gmbh | Optoelectronic semiconductor module |
DE102018127977A1 (en) | 2018-11-08 | 2020-05-14 | Osram Opto Semiconductors Gmbh | DIODE LASER AND METHOD FOR OPERATING A DIODE LASER |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2856507A1 (en) * | 1978-12-28 | 1980-07-17 | Amann Markus Christian Dipl In | SEMICONDUCTOR LASER DIODE |
US4375067A (en) * | 1979-05-08 | 1983-02-22 | Canon Kabushiki Kaisha | Semiconductor laser device having a stabilized output beam |
GB2054949B (en) * | 1979-07-26 | 1983-04-07 | Standard Telephones Cables Ltd | Cooling arrangement for laser diode |
US4484331A (en) * | 1981-07-20 | 1984-11-20 | Rca Corporation | Regulator for bias current of semiconductor laser diode |
-
1985
- 1985-09-28 DE DE19853534744 patent/DE3534744A1/en not_active Withdrawn
-
1986
- 1986-09-15 AU AU62655/86A patent/AU586279B2/en not_active Ceased
- 1986-09-19 GB GB8622658A patent/GB2180985B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108988122A (en) * | 2018-09-30 | 2018-12-11 | 无锡源清瑞光激光科技有限公司 | A kind of quasi-continuous semiconductor laser control system of QCW suitable for laser spot welding |
Also Published As
Publication number | Publication date |
---|---|
AU586279B2 (en) | 1989-07-06 |
GB2180985A (en) | 1987-04-08 |
DE3534744A1 (en) | 1987-04-09 |
AU6265586A (en) | 1987-04-02 |
GB2180985B (en) | 1989-10-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3664005D1 (en) | Liquid-withdrawing device | |
GB8601392D0 (en) | Gas laser device | |
DE3660651D1 (en) | Laser welding device | |
GB2157483B (en) | Laser device | |
GB8623226D0 (en) | Semiconductor laser device | |
EP0209387A3 (en) | Semiconductor laser device | |
EP0206818A3 (en) | Semiconductor laser device | |
EP0205307A3 (en) | Semiconductor laser device | |
GB8625439D0 (en) | Semiconductor laser device | |
GB8622658D0 (en) | Laser device | |
EP0195184A3 (en) | Jaw-changing device | |
YU45229B (en) | Monomode laser device | |
GB8620223D0 (en) | Laser device | |
GB2175087B (en) | Laser gyrosystem | |
DE3663200D1 (en) | Fraction-handling device | |
EP0205338A3 (en) | Semiconductor laser device | |
GB8513762D0 (en) | Electrochlorination device | |
GB2173068B (en) | Beam forming device | |
DE3666798D1 (en) | Post-clarification device | |
GB2179488B (en) | Laser apparatus | |
GB8521224D0 (en) | Laser apparatus | |
DE3560687D1 (en) | Valve-rotating device | |
EP0236547A3 (en) | Gas laser device | |
EP0222729A3 (en) | Beer-tapping device | |
DE3664704D1 (en) | Gas laser device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920919 |