CN105356280A - Laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm - Google Patents
Laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm Download PDFInfo
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- CN105356280A CN105356280A CN201510974150.7A CN201510974150A CN105356280A CN 105356280 A CN105356280 A CN 105356280A CN 201510974150 A CN201510974150 A CN 201510974150A CN 105356280 A CN105356280 A CN 105356280A
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- ideler frequency
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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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic generation
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
Abstract
The invention discloses a laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm. The overall light path is arranged in an S shape, a 3,969 nm wavelength signal light four-wave mixing periodically-poled lithium niobate laser resonant cavity is arranged, a 710 nm wavelength idler-frequency light beam splitting fiber ring is arranged on a 710 nm wavelength idler-frequency light transmission fiber, 3,969 nm wavelength signal light, 710 nm wavelength idler-frequency light, 985 nm wavelength pump light I and 1,550 nm wavelength pump light II enter the 3,969 nm wavelength signal light four-wave mixing periodically-poled lithium niobate laser resonant cavity and have a four-wave mixing effect, the 3,969 nm wavelength signal light is generated and output, and finally, the three-wavelength fiber laser light with the wavelength being 3,969 nm, 710 nm and 985 nm is output.
Description
Technical field: laser and applied technical field.
Technical background:
3969nm, 710nm dual-wavelength laser, the laser applied for marine exploration, spectral detection, lasing light emitter, instrumental analysis etc., it can be used as 3969nm, 710nm dual wavelength using light source of marine exploration, marine exploration, and it is also for laser and optoelectronic areas such as marine exploration optical communications; Fiber laser is as the representative of third generation laser technology, and having mercy on property, the glass material with glass optical fiber low cost of manufacture and optical fiber have extremely low bulk area ratio, and rapid heat dissipation, loss are low with conversion efficiency comparatively advantages of higher, and range of application constantly expands.
Summary of the invention:
A kind of marine exploration 3969nm, 710nm dual-wavelength optical-fiber output laser, overall light path is set to S type, signalization light 3969nm four wave mixing periodically poled lithium niobate laserresonator, ideler frequency light 710nm Transmission Fibers arranges ideler frequency light 710nm splitting optical fiber circle, ideler frequency light 710nm output is set, flashlight 3969nm, ideler frequency light 710nm, pump light I985nm and pump light II1550nm entering signal light 3969nm four wave mixing periodically poled lithium niobate laserresonator, there is four-wave mixing effect, produce flashlight 3969nm to export, finally export 3969nm, 710nm dual-wavelength optical-fiber Laser output.
Technical scheme:
Overall light path is set to S type, and be divided into upper, middle and lower layer, upper strata is provided with: flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator, and flashlight 3969nm occurs.
Middle level is provided with: pump light I985nm gain resonant cavity, pump light II1550nm periodically poled lithium niobate laserresonator, ideler frequency light 710nm frequency multiplication resonant cavity, pump light I985nm fiber laser, pump light II1550nm fundamental frequency light fibre laser, ideler frequency light 710nm fundamental frequency light fibre laser, for there is pump light I985nm, pump light II1550nm and ideler frequency light 710nm.
Bottom is provided with: pump light I985nm semiconductor module, pump light II1550nm fundamental frequency semiconductor module, ideler frequency light 710nm fundamental frequency semiconductor module, fan, Laser Power Devices, all device is arranged on optical rail and ray machine tool above, Laser Power Devices drive semiconductor module, and fan is used for semiconductor module cooling.
Upper, middle and lower layer, between layers, is provided with: three-wavelength parameter coupler, pumping coupler, pump light I985nm coupler, pump light II1550nm fundamental frequency coupling device, ideler frequency light 710nm fundamental frequency coupling device, be coupled for optical-fiber laser.
Upper, middle and lower layer, between layers, also be provided with: pump light I985nm Transmission Fibers, pump light II1550nm fundamental frequency Transmission Fibers, ideler frequency light 710nm Transmission Fibers, ideler frequency light 710nm Transmission Fibers, pump light II1550nm Transmission Fibers, pump light I985nm Transmission Fibers, three-wavelength Transmission Fibers and flashlight 3969nm output optical fibre, for the transmission of laser in system.
Upper, middle level, is provided with: ideler frequency light 710nm splitting optical fiber circle, for laser beam splitter, realizes multiwavelength laser and exports.
Core content of the present invention:
A kind of marine exploration 3969nm, 710nm dual-wavelength optical-fiber output laser, signalization light 3969nm four wave mixing periodically poled lithium niobate laserresonator, ideler frequency light 710nm Transmission Fibers arranges ideler frequency light 710nm splitting optical fiber circle, ideler frequency light 710nm output is set, there is the periodically poled lithium niobate laser resonator structure of four wave mixing in signalization light 3969nm, ideler frequency light 710nm, pump light I985 and pump light II1550nm, forms 3969nm, 710nm dual-wavelength optical-fiber export structure.
Overall light path is set to S type, upper strata is provided with: flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator, middle level is provided with: ideler frequency light 710nm frequency multiplication resonant cavity, pump light I985 gain resonant cavity and pump light II1550nm periodically poled lithium niobate laserresonator, bottom is provided with: ideler frequency light 710nm fundamental frequency light fibre laser, pump light I985 fiber laser, pump light II1550nm fundamental frequency light fibre laser, ideler frequency light 710nm semiconductor module, pump light I985nm semiconductor module and pump light II1550nm semiconductor module, three-wavelength parameter coupler is set between upper strata with middle level and Transmission Fibers is connected, pumping coupler and Fiber connection are set between middle level and bottom.
Accompanying drawing illustrates:
Accompanying drawing is the structure chart of this patent, and accompanying drawing is wherein: 1, optical rail and ray machine tool, 2, pump light II1550nm semiconductor module, 3, pump light I985nm semiconductor module, 4, ideler frequency light 710nm semiconductor module, 5, fan, 6, Laser Power Devices, 7, pumping coupler, 8, pump light II1550nm fundamental frequency light fibre laser, 9, pump light I985nm fiber laser, 10, ideler frequency light 710nm fundamental frequency light fibre laser, 11, pump light II1550nm fundamental frequency Transmission Fibers, 12, pump light I985nm Transmission Fibers, 13, ideler frequency light 710nm Transmission Fibers, 14, ideler frequency light 710nm Transmission Fibers, 15, ideler frequency light 710nm frequency multiplication resonant cavity, 16, ideler frequency light 710nm fundamental frequency coupling device, 17, pump light I985nm coupler, 18, pump light I985nm gain resonant cavity, 19, pump light I985nm Transmission Fibers, 20, pump light II1550nm fundamental frequency coupling device, 21, pump light II1550nm Transmission Fibers, 22, pump light II1550nm periodically poled lithium niobate laserresonator, 23, three-wavelength parameter coupler, 24, three-wavelength Transmission Fibers, 25, three-wavelength input coupler, 26, flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator, 27, flashlight 3969nm output optical fibre, 28, flashlight 3969nm output, 29, ideler frequency light 710nm output, 30, ideler frequency light 710nm splitting optical fiber circle.
Embodiment:
Overall light path is set to S type, upper strata is provided with: flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator 26, middle level is provided with: ideler frequency light 710nm frequency multiplication resonant cavity 15, pump light I985 gain resonant cavity 18 and pump light II1550nm periodically poled lithium niobate laserresonator 22, bottom is provided with: ideler frequency light 710nm fundamental frequency light fibre laser 10, pump light I985 fiber laser 9, pump light II1550nm fundamental frequency light fibre laser 8, ideler frequency light 710nm semiconductor module 4, pump light I985nm semiconductor module 3 and pump light II1550nm semiconductor module 2, three-wavelength parameter coupler 23 is set between upper strata with middle level and three-wavelength Transmission Fibers 24 is connected, pumping coupler 7 is set between middle level with bottom and Transmission Fibers is connected.
Signalization light 3969nm four wave mixing periodically poled lithium niobate laserresonator 26, ideler frequency light 710nm splitting optical fiber circle 30 is set, arrange, arrange, signalization light 3969nm, ideler frequency light 710nm, there is the structure of the periodically poled lithium niobate laserresonator 26 of four wave mixing in pump light I985nm and pump light II1550nm, at the output of flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator 26, signalization light 3969nm output optical fibre 27, at the input of flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator 26, three-wavelength input coupler 25 is set, the input of three-wavelength input coupler 25 is connected with three-wavelength Transmission Fibers 24, three-wavelength Transmission Fibers 24 is connected to the output of three-wavelength parameter coupler 23, three-wavelength parameter coupler 23 is provided with three inputs, the left input of three-wavelength parameter coupler 23 is connected with ideler frequency light 710nm Transmission Fibers 14, ideler frequency light 710nm Transmission Fibers 14 is drawn from the output of ideler frequency light 710nm frequency multiplication resonant cavity 15, the input of ideler frequency light 710nm frequency multiplication resonant cavity 15 is connected to ideler frequency light 710nm fundamental frequency coupling device 16, the input of ideler frequency light 710nm fundamental frequency coupling device 16 is connected to ideler frequency light 710nm Transmission Fibers 13, the lower end of ideler frequency light 710nm fiber laser 10 is connected to pumping coupler 7, the lower end of pumping coupler 7 is connected with ideler frequency light 710nm semiconductor module 4, the middle input of three-wavelength parameter coupler 23 is connected with pump light I985nm Transmission Fibers 19, pump light I985nm Transmission Fibers 19 is drawn from pump light I985nm gain resonant cavity 18, the input of pump light I985nm gain resonant cavity 18 is connected with pump light I985nm coupler 17, the input of pump light I coupler 17 is connected with pump light I fiber laser output optical fibre 12, the lower end of pump light I985nm fiber laser 9 is connected with pumping coupler, the lower end of pumping coupler is connected with pump light I985nm semiconductor module 9, the right input of three-wavelength parameter coupler 23 is connected with pump light II1550nm Transmission Fibers 21, pump light II1550nm Transmission Fibers 21 is drawn from the output of pump light II1550nm periodically poled lithium niobate laserresonator 22, pump light II1550nm periodically poled lithium niobate laserresonator 22 input is connected with pump light II1550nm coupler 20, the input of pump light II1550nm coupler 20 is connected with pump light II1550nm fundamental frequency Transmission Fibers 11, pump light II1550nm fundamental frequency Transmission Fibers 11 is drawn from pump light II1550nm fundamental frequency light fibre laser 8, the lower end of pump light II1550nm fundamental frequency light fibre laser 8 is connected to pumping coupler, pumping coupler is connected to pump light II1550nm semiconductor module 2, pump light II1550nm semiconductor module 2, pump light I985nm semiconductor module 3 are arranged on optical rail and ray machine tool 1 with ideler frequency light 710nm semiconductor module 4, optical rail and ray machine tool 1 are also provided with Laser Power Devices 6 and fan 5, ideler frequency light 710nm Transmission Fibers 14 arranges ideler frequency light 710nm splitting optical fiber circle 30, ideler frequency light 710nm output 29 is set, above-mentioned whole optical element is all arranged on optical rail and ray machine tool 1, totally forms 3969nm, 710nm dual-wavelength optical-fiber output laser structure.
The course of work:
Laser Power Devices 6 are pump light I985nm semiconductor module 3, pump light II1550nm semiconductor module 2 is powered with ideler frequency light 710nm semiconductor module 4, pump light I985nm semiconductor module 3 drives pump light I985nm fiber laser 8 by pumping coupler, pump light II1550nm semiconductor module 2 drives pump light II1550nm fundamental frequency light fibre laser 8, ideler frequency light 710nm semiconductor module 4 to drive ideler frequency light 710nm fundamental frequency light fibre laser 10 by pumping coupler by pumping coupler, pump light I985nm fundamental frequency light is by pump light I985nm Transmission Fibers 11, be transferred in pump light I985nm coupler 20, be coupled in pump light I985nm periodically poled lithium niobate laserresonator 22 through pump light I985nm coupler 20, export pump light I985nm through pump light I985nm periodically poled lithium niobate laserresonator, pump light II1550nm is through pump light II1550nm fundamental frequency Transmission Fibers 12, be transferred in pump light II1550nm fundamental frequency coupling device 17, enter in pump light II1550nm gain resonant cavity 18 through pump light II1550nm fundamental frequency coupling device 17, export pump light II1550nm through the gain of pump light II1550nm gain resonant cavity 18, ideler frequency light 710nm fundamental frequency light is by ideler frequency light 710nm Transmission Fibers 13, be transferred in ideler frequency light 710nm fundamental frequency coupling device 16, be coupled in ideler frequency light 710nm frequency multiplication resonant cavity 15 through ideler frequency light 710nm fundamental frequency coupling device 16, export ideler frequency light 710nm through ideler frequency light 710nm frequency multiplication resonant cavity frequency multiplication, pump light I985nm enters three-wavelength parameter coupler 23 through the transmission of pump light I985nm Transmission Fibers 21, pump light II1550nm enters three-wavelength parameter coupler 23 through pump light II1550nm Transmission Fibers 19, ideler frequency light 710nm enters three-wavelength parameter coupler 23 through ideler frequency light 710nm Transmission Fibers 14, three-wavelength Transmission Fibers 24 is entered by three-wavelength parameter coupler 23 coupling output, transmission enters three-wavelength input coupler 25, by three-wavelength parameter coupler 25 entering signal light 3969nm four wave mixing periodically poled lithium niobate laserresonator 26, flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator 26 output signalization light 3969nm output optical fibre 27, flashlight 3969nm exports through flashlight 3969nm output 28, draw ideler frequency light 710nm by ideler frequency light 710nm splitting optical fiber circle 30 to export through ideler frequency light 710nm output 29, overall formation 3969nm, 710nm dual-wavelength optical-fiber Laser output.
Claims (2)
1. marine exploration 3969nm, 710nm dual-wavelength optical-fiber output laser, it is characterized by: signalization light 3969nm four wave mixing periodically poled lithium niobate laserresonator, ideler frequency light 710nm Transmission Fibers arranges ideler frequency light 710nm splitting optical fiber circle, ideler frequency light 710nm output is set, there is the periodically poled lithium niobate laser resonator structure of four wave mixing in signalization light 3969nm, ideler frequency light 710nm, pump light I985 and pump light II1550nm, forms 3969nm, 710nm dual-wavelength optical-fiber export structure.
2. a kind of marine exploration 3969nm according to claim 1, 710nm, 985nm, 1550nm tetra-long wavelength fiber output laser, it is characterized by: overall light path is set to S type, upper strata is provided with: flashlight 3969nm four wave mixing periodically poled lithium niobate laserresonator, middle level is provided with: ideler frequency light 710nm frequency multiplication resonant cavity, pump light I985 gain resonant cavity and pump light 1I1550nm periodically poled lithium niobate laserresonator, bottom is provided with: ideler frequency light 710nm fundamental frequency light fibre laser, pump light I985 fiber laser, pump light II1550nm fundamental frequency light fibre laser, ideler frequency light 710nm semiconductor module, pump light I985nm semiconductor module and pump light II1550nm semiconductor module, three-wavelength parameter coupler is set between upper strata with middle level and Transmission Fibers is connected, pumping coupler and Fiber connection are set between middle level and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974150.7A CN105356280A (en) | 2015-12-21 | 2015-12-21 | Laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974150.7A CN105356280A (en) | 2015-12-21 | 2015-12-21 | Laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105356280A true CN105356280A (en) | 2016-02-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974150.7A Pending CN105356280A (en) | 2015-12-21 | 2015-12-21 | Laser used for ocean exploration and capable of outputting double-wavelength fiber laser light with wavelength being 3,969 nm and 710 nm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105356280A (en) |
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- 2015-12-21 CN CN201510974150.7A patent/CN105356280A/en active Pending
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Application publication date: 20160224 |