DE69026815D1 - Optischer verstärker - Google Patents
Optischer verstärkerInfo
- Publication number
- DE69026815D1 DE69026815D1 DE69026815T DE69026815T DE69026815D1 DE 69026815 D1 DE69026815 D1 DE 69026815D1 DE 69026815 T DE69026815 T DE 69026815T DE 69026815 T DE69026815 T DE 69026815T DE 69026815 D1 DE69026815 D1 DE 69026815D1
- Authority
- DE
- Germany
- Prior art keywords
- optical amplifier
- amplifier
- optical
- 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.)
- Expired - Fee Related
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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
-
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06745—Tapering of the fibre, core or active region
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29971289 | 1989-11-20 | ||
PCT/JP1990/001499 WO1991007690A1 (fr) | 1989-11-20 | 1990-11-16 | Amplificateur optique |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69026815D1 true DE69026815D1 (de) | 1996-06-05 |
DE69026815T2 DE69026815T2 (de) | 1996-09-19 |
Family
ID=17876054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69026815T Expired - Fee Related DE69026815T2 (de) | 1989-11-20 | 1990-11-16 | Optischer verstärker |
Country Status (5)
Country | Link |
---|---|
US (1) | US5508842A (de) |
EP (1) | EP0454865B1 (de) |
CA (1) | CA2042578C (de) |
DE (1) | DE69026815T2 (de) |
WO (1) | WO1991007690A1 (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69026815T2 (de) * | 1989-11-20 | 1996-09-19 | Fujitsu Ltd | Optischer verstärker |
US5131069A (en) * | 1991-08-12 | 1992-07-14 | Corning Incorporated | Fiber amplifier having modified gain spectrum |
US5321711A (en) * | 1992-08-17 | 1994-06-14 | Alliedsignal Inc. | Segmented solid state laser gain media with gradient doping level |
DE4430512C2 (de) * | 1994-08-27 | 2000-06-29 | Bosch Gmbh Robert | Vorrichtung zum Beschalten einer verstärkenden Faser |
US7576909B2 (en) * | 1998-07-16 | 2009-08-18 | Imra America, Inc. | Multimode amplifier for amplifying single mode light |
US6937636B1 (en) * | 1999-09-27 | 2005-08-30 | The Regents Of The University Of California | Tapered laser rods as a means of minimizing the path length of trapped barrel mode rays |
GB9928696D0 (en) * | 1999-12-03 | 2000-02-02 | Swan Thomas & Co Ltd | Optical devices and methods of manufacture thereof |
US6411757B1 (en) * | 2000-02-14 | 2002-06-25 | Agere Systems Guardian Corp. | Article comprising a waveguide structure with improved pump utilization |
DE10009379C2 (de) * | 2000-02-29 | 2002-04-25 | Schneider Laser Technologies | Faseroptischer Verstärker |
FR2830376B1 (fr) * | 2001-10-01 | 2010-11-05 | Teem Photonics | Amplificateur optique hybride et matrice de tels amplificateurs |
DE10203392B4 (de) * | 2002-01-29 | 2014-09-04 | Osram Opto Semiconductors Gmbh | Anordnung zur Einkopplung von Strahlung in eine Lichtleitfaser |
JP4451313B2 (ja) * | 2003-02-21 | 2010-04-14 | 富士通株式会社 | 遅延位相整合ファイバを用いた光増幅器 |
US7557986B2 (en) * | 2004-05-13 | 2009-07-07 | Soreq Nuclear Research Center | High power fiber amplifier |
US7768700B1 (en) | 2006-11-30 | 2010-08-03 | Lockheed Martin Corporation | Method and apparatus for optical gain fiber having segments of differing core sizes |
JP2009059924A (ja) * | 2007-08-31 | 2009-03-19 | Sunx Ltd | レーザ発生装置及びレーザ加工装置 |
US9214781B2 (en) | 2013-11-21 | 2015-12-15 | Lockheed Martin Corporation | Fiber amplifier system for suppression of modal instabilities and method |
US10156675B1 (en) * | 2014-08-27 | 2018-12-18 | Bae Systems Information And Electronic Systems Integration Inc. | Method and apparatus for the modulation of pump absorption in a clad optical fiber that is used in lasers and amplifiers |
CN110323659A (zh) | 2018-03-30 | 2019-10-11 | 株式会社藤仓 | 放大用光纤、光纤激光装置以及光谐振器 |
US11808970B2 (en) | 2019-01-02 | 2023-11-07 | Lumentum Operations Llc | Optical fiber with variable absorption |
US11175449B2 (en) * | 2019-01-02 | 2021-11-16 | Lumentum Operations Llc | Optical fiber with variable absorption |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4161944A (en) * | 1976-09-17 | 1979-07-24 | Muckerheide Myron C | Laser system and method and laser amplifier for use therewith |
US4554510A (en) * | 1983-09-12 | 1985-11-19 | The Board Of Trustees Of Leland Stanford Junior University | Switching fiber optic amplifier |
US5048026A (en) * | 1983-09-30 | 1991-09-10 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
JPS6114624A (ja) * | 1984-06-29 | 1986-01-22 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバによる光増幅装置 |
US4739507A (en) * | 1984-11-26 | 1988-04-19 | Board Of Trustees, Stanford University | Diode end pumped laser and harmonic generator using same |
US4653056A (en) * | 1985-05-01 | 1987-03-24 | Spectra-Physics, Inc. | Nd-YAG laser |
GB2199690A (en) * | 1985-08-13 | 1988-07-13 | Robert Joseph Mears | Fibre-optic lasers and amplifiers |
US4867518A (en) * | 1988-08-31 | 1989-09-19 | The United States Of America As Represented By The Secretary Of The Navy | All-fiber SFPM amplifier |
US4941726A (en) * | 1988-08-31 | 1990-07-17 | The Unites States Of America As Represented By The Secretary Of The Navy | Tapered fiber amplifier |
JPH0373934A (ja) * | 1989-08-15 | 1991-03-28 | Fujitsu Ltd | 光増幅器 |
US5058974A (en) * | 1989-10-06 | 1991-10-22 | At&T Bell Laboratories | Distributed amplification for lightwave transmission system |
DE69026815T2 (de) * | 1989-11-20 | 1996-09-19 | Fujitsu Ltd | Optischer verstärker |
JPH06114624A (ja) * | 1992-10-01 | 1994-04-26 | Asama Giken Kogyo Kk | キー溝用ブローチおよびそれを備えたキー溝作製装置 |
-
1990
- 1990-11-16 DE DE69026815T patent/DE69026815T2/de not_active Expired - Fee Related
- 1990-11-16 CA CA002042578A patent/CA2042578C/en not_active Expired - Fee Related
- 1990-11-16 WO PCT/JP1990/001499 patent/WO1991007690A1/ja active IP Right Grant
- 1990-11-16 EP EP90916809A patent/EP0454865B1/de not_active Expired - Lifetime
-
1994
- 1994-06-13 US US08/259,133 patent/US5508842A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2042578C (en) | 1995-04-04 |
EP0454865A4 (en) | 1993-04-21 |
EP0454865B1 (de) | 1996-05-01 |
DE69026815T2 (de) | 1996-09-19 |
US5508842A (en) | 1996-04-16 |
EP0454865A1 (de) | 1991-11-06 |
WO1991007690A1 (fr) | 1991-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |