DK200301835A - Single frequency thulium fibre laser - Google Patents
Single frequency thulium fibre laser Download PDFInfo
- Publication number
- DK200301835A DK200301835A DK200301835A DKPA200301835A DK200301835A DK 200301835 A DK200301835 A DK 200301835A DK 200301835 A DK200301835 A DK 200301835A DK PA200301835 A DKPA200301835 A DK PA200301835A DK 200301835 A DK200301835 A DK 200301835A
- Authority
- DK
- Denmark
- Prior art keywords
- optical waveguide
- laser according
- waveguide laser
- fiber laser
- single frequency
- Prior art date
Links
- 229910052775 Thulium Inorganic materials 0.000 title description 2
- 239000000835 fiber Substances 0.000 title description 2
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 title 1
- 230000003287 optical effect Effects 0.000 description 38
- 230000010287 polarization Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 8
- 238000005253 cladding Methods 0.000 description 7
- 239000002019 doping agent Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910052689 Holmium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
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- 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
- H01S3/0632—Thin film lasers in which light propagates in the plane of the thin film
- H01S3/0635—Thin film lasers in which light propagates in the plane of the thin film provided with a periodic structure, e.g. using distributed feed-back, grating couplers
-
- 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
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
-
- 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
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
- H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-pumping
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- 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
-
- 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
- H01S3/06712—Polarising fibre; Polariser
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1616—Solid materials characterised by an active (lasing) ion rare earth thulium
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- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/17—Solid materials amorphous, e.g. glass
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/17—Solid materials amorphous, e.g. glass
- H01S3/176—Solid materials amorphous, e.g. glass silica or silicate glass
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- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/17—Solid materials amorphous, e.g. glass
- H01S3/178—Solid materials amorphous, e.g. glass plastic
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- 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
- H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
- H01S5/0651—Mode control
- H01S5/0653—Mode suppression, e.g. specific multimode
- H01S5/0654—Single longitudinal mode emission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Description
CLAIMS 1. An optical waveguide laser comprising an optical waveguide for pro¬ pagating light along a longitudinal axis of the waveguide and adapted for receiving pump light for axial propagation therein, the optical waveguide laser comprising a resonator arrangement, the resonator arrangement comprising: a) an active region formed over a length of the optical waveguide, the active region comprising an excitable material emitting light in response to stimula¬ tion by pump light thereby defining an optical gain profile; the excitable material comprises Tm; b) a frequency discriminating feedback element adapted to select a single longitudinal lasing mode by coordination with the frequency response of the optical gain of the excitable material; and c) a polarisation asymmetry element adapted for selecting a single polarisation mode of a given longitudinal mode by selectively suppressing propagation of the other polarisation mode of said longitudinal mode. 2. An optical waveguide laser according to claim 1, wherein thulium is present said active region of said optical waveguide in concentrations of above 500 ppm wt., such as above 900 ppm wt., such as above 2000 ppm wt. 3. An optical waveguide laser according to any of claims 1 or 2, wherein the length.of the primary laser cavity is smaller than 10 cm, such as smaller than 5 cm, such as smaller than 2 cm, the primary laser cavity being spatially limited by said active region and said frequency discriminating element. 4. An optical waveguide laser according to any one of claims 1-3, wherein the optical waveguide is an optical fibre comprising a core region surrounded by a cladding region. 5. An optical waveguide laser according to claim 4, wherein the cladding region comprises first and second cladding regions. 6. An optical waveguide laser according to any one of claims 1-3, wherein the optical waveguide is a planar optical waveguide. 7. An optical waveguide laser according to any one of claims 4-6, wherein the core and/or cladding region(s) comprise silica. 8. An optical waveguide laser according to any one of claims 4-7, wherein said core and/or cladding regions comprise at least one refractive index modifying dopants, said dopants being selected among the group of elements consisting of boron (B), nitrogen (N), fluorine (F), aluminum (Al), phosphorus (P), titanium (Ti), germanium (Ge), and tin (Sn). 9. An optical waveguide laser according to any one of claims 4-8, wherein said core and/or cladding regions comprise at least one photosensitive dopants, said dopants being selected among the group of elements consisting of Ge, B, N, Sn. 10. An optical waveguide laser according to any one of claims 4-9, wherein said core and/or cladding regions further comprise at least one excitable materials, said excitable materials preferably being selected among the group of elements consisting of holmium (Ho), erbium (Er), ytterbium (Yb), samarium (Sm), neodymium (Nd) and praseodymium (Pr), 11. An optical waveguide laser according to any one of the preceding claims, wherein said pump light source is a semiconductor diode solid state laser or a semiconductor diode pumped fibre laser. 12. An optical waveguide laser according to any one of the preceding claims, wherein said polarisation asymmetry element is implemented by adapting said resonator arrangement to be birefringent. 13. An optical waveguide laser according to any one of claims 1-11, wherein said polarisation asymmetry element is implemented by adapting said resonator arrangement to provide polarisation dependent optical feedback. 14. An optical waveguide laser according to any one of claims 1-11, wherein said polarisation asymmetry element is implemented by adapting said resonator arrangement - such as said optical waveguide - to provide polarisation dependent optical loss. 15. An optical waveguide laser according to any one of the preceding claims, wherein said frequency discriminating feedback element comprises a Bragg grating. 16. An optical waveguide laser according to claim 15, wherein said frequency discriminating feedback element is located in said active region of the optical waveguide in the form of a Bragg grating with an intermediate phase shift thereby implementing a DFB resonator arrangement. 17. An optical waveguide laser according to claim 15, wherein said frequency discriminating feedback element is implemented as two separated Bragg gratings, thereby implementing a DBR resonator arrangement. 18. An article comprising an optical waveguide laser according to any one of claims 1-17. 19. An article according to claim 18 comprising detector optics and elec¬ tronics for signal processing, the article fully or partially forming a LIDAR system. 20. An article according to claim 18 comprising means for passage of laser light through a sample under investigation, detection optics and electronics for data reduction wherein, the article fully or partially forming a spectro¬ scopic system. 21. An article according to claim 20 comprising means for passage of laser light through a gas, the spectroscopic system being adapted for trace gas detection. 22. Use of an optical waveguide laser according to any one of claims 1 -17. 23. Use of an optical waveguide laser according to any one of claims 1-17 in an article according to any one of claims 18-21. 24. A method of manufacturing an optical waveguide laser, the method comprising: 1) providing an optical waveguide for propagating light along a longitudinal axis of the waveguide; 2) adapting said optical waveguide for receiving pump light from a pump light source for axial propagation therein; 3) providing a resonator arrangement in said optical waveguide laser, the step comprising the following sub-steps 3.1) forming an active region over a length of said optical waveguide by providing the active region with an excitable material emitting light in response to stimulation by pump light thereby defining a gain profile; the excitable material comprises Tm; 3.2) providing a frequency discriminating feedback element, the frequency discriminating feedback element being adapted to select a single longitudinal lasing mode by coordination with the frequency response of the gain of the excitable material; and 3.3) providing a polarisation asymmetry by adapting said resonator arrangement for selecting a single polarisation mode of a given longitudinal mode by selectively suppressing propagation of other polarisation modes of said longitudinal mode. 25. A method according to claim 24 wherein in step 3.1) Tm is present in said active region in concentrations of above 500 ppm wt., such as above 900 ppm wt., such as above 2000 ppm wt.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK200301835A DK200301835A (da) | 2003-12-11 | 2003-12-11 | Single frequency thulium fibre laser |
| US10/582,357 US20070153839A1 (en) | 2003-12-11 | 2004-12-13 | Single frequency thulium waveguide laser, an article comprising it, its use and a method of its manufacture |
| PCT/EP2004/053433 WO2005060056A1 (en) | 2003-12-11 | 2004-12-13 | Single frequency thulium waveguide laser and a method of its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK200301835A DK200301835A (da) | 2003-12-11 | 2003-12-11 | Single frequency thulium fibre laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK200301835A true DK200301835A (da) | 2005-06-12 |
Family
ID=34973468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK200301835A DK200301835A (da) | 2003-12-11 | 2003-12-11 | Single frequency thulium fibre laser |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070153839A1 (da) |
| DK (1) | DK200301835A (da) |
| WO (1) | WO2005060056A1 (da) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100608946B1 (ko) * | 2004-10-20 | 2006-08-03 | 광주과학기술원 | 자체잠김된 페브리-페롯 레이저 다이오드를 이용한 파장분할다중 방식의 수동형 광통신망과, 이에 사용되는 지역 기지국 및 그 제어 방법 |
| US7620077B2 (en) * | 2005-07-08 | 2009-11-17 | Lockheed Martin Corporation | Apparatus and method for pumping and operating optical parametric oscillators using DFB fiber lasers |
| US7576867B2 (en) | 2007-07-20 | 2009-08-18 | Corning Incorporated | Position sensitive detectors in wavelength monitoring |
| US20100166025A1 (en) * | 2008-12-31 | 2010-07-01 | Ipg Photonics Corporation | High-power short-wavelength fiber laser device |
| CN101871879B (zh) * | 2010-07-16 | 2011-11-09 | 中南大学 | 基于微谐振环阵列分光技术的微量气体探测方法及探测器 |
| US9488569B2 (en) | 2013-06-10 | 2016-11-08 | Florida Agricultural And Mechanical University | Method and systems to detect matter through use of a magnetic field gradient |
| CN103487402B (zh) * | 2013-10-14 | 2015-09-02 | 北京信息科技大学 | 带有饱和吸收光纤的环形腔内腔光纤激光器气体检测系统 |
| CN104614062B (zh) * | 2015-01-23 | 2017-09-22 | 哈尔滨工业大学深圳研究生院 | 一种基于多波长掺铒光纤激光器的分布式超声传感器 |
| JP6730333B2 (ja) | 2015-03-04 | 2020-07-29 | ワイ． スカーレット，キャロル | ミラーキャビティシステムにおける量子光学効果を利用した乱数の発生 |
| US10705799B2 (en) | 2015-03-04 | 2020-07-07 | Carol Y. Scarlett | Transmission of information through the use of quantum-optical effects within a multi-layered birefringent structure |
| US10394525B2 (en) | 2015-03-04 | 2019-08-27 | Carol Y. Scarlett | Generation of random numbers through the use of quantum-optical effects within a multi-layered birefringent structure |
| US10794998B2 (en) | 2015-06-29 | 2020-10-06 | University Corporation For Atmospheric Research | Diode laser based high spectral resolution lidar |
| US20170343670A1 (en) * | 2015-08-18 | 2017-11-30 | Grant Matthews | Low power lidar system |
| US20180149584A1 (en) | 2016-11-29 | 2018-05-31 | Carol Y. Scarlett | Circular birefringence identification of materials |
| CN107248687A (zh) * | 2017-06-16 | 2017-10-13 | 武汉光谷航天三江激光产业技术研究院有限公司 | 一种中红外波段单频单偏振光纤激光器 |
| CN108879314B (zh) * | 2018-09-06 | 2024-09-06 | 中国人民解放军国防科技大学 | 一种大功率窄线宽长波光纤激光产生系统 |
| WO2021108568A1 (en) * | 2019-11-27 | 2021-06-03 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Efficient energy transfer from er3+ to ho3+ and dy3+ in mid-infrared materials |
| US20240192032A1 (en) * | 2022-12-09 | 2024-06-13 | Palo Alto Research Center Incorporated | Optical fiber sensing based on changes in laser emission wavelength |
| CN116482797B (zh) * | 2023-03-14 | 2026-03-24 | 山东大学 | 一种Tm/Ho:YAG-SiO2特种光纤、基于该光纤的2μm单频光纤激光器及制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511083A (en) * | 1995-03-02 | 1996-04-23 | United Technologies Corporation | Polarized fiber laser source |
| US5561675A (en) * | 1994-05-20 | 1996-10-01 | France Telecom | Linearly polarized fiber-optic laser |
| US6151429A (en) * | 1997-02-13 | 2000-11-21 | Ionas A/A | Polarisation asymmetric active optical waveguide, method of its production, and its uses |
| EP1246320A2 (en) * | 2001-02-21 | 2002-10-02 | Nippon Telegraph and Telephone Corporation | Thulium-doped fiber amplifier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283242B2 (en) * | 2003-04-11 | 2007-10-16 | Thornton Robert L | Optical spectroscopy apparatus and method for measurement of analyte concentrations or other such species in a specimen employing a semiconductor laser-pumped, small-cavity fiber laser |
| US8339580B2 (en) * | 2004-06-30 | 2012-12-25 | Lawrence Livermore National Security, Llc | Sensor-guided threat countermeasure system |
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2003
- 2003-12-11 DK DK200301835A patent/DK200301835A/da not_active Application Discontinuation
-
2004
- 2004-12-13 US US10/582,357 patent/US20070153839A1/en not_active Abandoned
- 2004-12-13 WO PCT/EP2004/053433 patent/WO2005060056A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5561675A (en) * | 1994-05-20 | 1996-10-01 | France Telecom | Linearly polarized fiber-optic laser |
| US5511083A (en) * | 1995-03-02 | 1996-04-23 | United Technologies Corporation | Polarized fiber laser source |
| US6151429A (en) * | 1997-02-13 | 2000-11-21 | Ionas A/A | Polarisation asymmetric active optical waveguide, method of its production, and its uses |
| EP1246320A2 (en) * | 2001-02-21 | 2002-10-02 | Nippon Telegraph and Telephone Corporation | Thulium-doped fiber amplifier |
Non-Patent Citations (3)
| Title |
|---|
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| GHISLER CH ET AL: "CLADDING-PUMPING OF A TM3+:HO3+ SILICA FIBRE LASER", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, vol. 132, no. 5/6, 15 December 1996 (1996-12-15), pages 474 - 478, XP000632529, ISSN: 0030-4018 * |
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| Publication number | Publication date |
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| US20070153839A1 (en) | 2007-07-05 |
| WO2005060056A1 (en) | 2005-06-30 |
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