CN107681439A - A kind of anemobiagraph long wavelength lasers of 733,7nm490nm1460nm six - Google Patents

A kind of anemobiagraph long wavelength lasers of 733,7nm490nm1460nm six Download PDF

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Publication number
CN107681439A
CN107681439A CN201710913262.0A CN201710913262A CN107681439A CN 107681439 A CN107681439 A CN 107681439A CN 201710913262 A CN201710913262 A CN 201710913262A CN 107681439 A CN107681439 A CN 107681439A
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light
frequency
flashlight
wavelength
lii
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王茁
王天泽
王涛
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Nanjing Huibang Intelligent Technology Co Ltd
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Nanjing Huibang Intelligent Technology Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/353—Frequency conversion, i.e. wherein a light beam is generated with frequency components different from those of the incident light beams
    • G02F1/3536—Four-wave interaction
    • 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
    • H01S3/06791—Fibre ring 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08013—Resonator comprising a fibre, e.g. for modifying dispersion or repetition rate
    • 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
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08086—Multiple-wavelength emission
    • 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
    • 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
    • H01S3/1083—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 using parametric generation
    • 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)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

A kind of anemobiagraph is with 733, the long wavelength lasers of 7nm490nm1460nm six, resonator is arranged to triangle annular fiber laser cavity, and the centre position setting signal light λ of deep etching fiber reflector, on top light path is set on four angles of triangle annular fiber laser cavityXⅠ2920nm wavelength period poled lithium niobate four-wave mixing laserresonators, the λ of frequency doubled light I is set in the centre position of left light pathBⅠCentre position setting ideler frequency light II λ of 490nm frequency multiplication resonator I, on the right light pathlⅡ1475nm optical parametric oscillator 1, it is overall to form the long wavelength fiber laser of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six.

Description

A kind of anemobiagraph long wavelength lasers of 733,7nm490nm1460nm six
Technical field
Laser and applied technical field.
Background technology
The wavelength laser of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six, it is for anemobiagraph, ocean Monitoring, the laser of the application such as laser radar, desalinization detection, lasing light emitter, instrumental analysis, it can be used as anemobiagraph, ocean to supervise The wavelength applications light source of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six of survey, it is additionally operable to anemobiagraph light Laser and the optoelectronic areas such as communication；Representative of the optical fiber laser as third generation laser technology, is manufactured into glass optical fiber This is low to have extremely low bulk area ratio with the having mercy on property of optical fiber, glass material, and rapid heat dissipation, loss are low higher with conversion efficiency etc. Advantage, application constantly expand.
The content of the invention
A kind of anemobiagraph long wavelength fiber laser of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six, Resonator is arranged to triangle annular fiber laser cavity, and deep etching light is set on four angles of triangle annular fiber laser cavity The centre position setting signal light λ of fine speculum, on top light pathXⅠ2920nm wavelength period poled lithium niobate four-wave mixing laser Resonator, the λ of frequency doubled light I is set in the centre position of left light pathBⅠThe interposition of 490nm frequency multiplication resonator I, on the right light path Install the λ of ideler frequency light IIlⅡ1475nm optical parametric oscillator 1, it is overall form 733.7nm, 490nm, 1460nm, 980nm, The long wavelength fiber laser of 2920nm, 1475nm six.
Technical scheme：
Overall light path：The wavelength laser of 490nm, 733.7nm, 1460nm, 980nm, 2920nm, 1475n six
Device resonator, its lumen type are arranged to triangle annular fiber laser cavity, at four of triangle annular fiber laser cavity Deep etching fiber reflector is set on angle, forms optical fibre ring laser cavity
The λ of ideler frequency light IIlⅡFlashlight 2920nm (the λ of 1475nm optical parametric oscillatorsXⅠ) it is used as flashlight λXⅠThe ripples of 2920nm tetra- It is mixed the seed light of effect signal light.
Flashlight λXⅠ2920nm frequency doubled light 1460nm is flashlight λXⅠ2920nm four-wave mixing effect pump lights 1460nm Seed light.
Top light path is：Flashlight λXⅠ2920nm wavelength period poled lithium niobate four-wave mixing laserresonators, produce four Wave mixing flashlight λXⅠThe output of 2920nm laser and the λ of ideler frequency light IlⅠ733.7nm output.
The right light path is：The λ of ideler frequency light IIlⅡFor the periodically poled lithium niobate optical parametric oscillator of 1475nm wavelength, produce The flashlight 2920nm laser of optical parametric oscillator and the λ of ideler frequency light IIlⅡExported for 1475nm laser, here, flashlight 2920nm Seed light of the laser as the flashlight of four-wave mixing laser effect.
Left light path is：The λ of frequency doubled light IBⅠ490nm frequency multiplication resonator I, it is that the 980nm frequencys multiplication of pump light I are exported into 490nm Laser, the λ of frequency doubled light IBⅠ490nm frequency multiplication resonator I is arranged to the 980nm of pump light I 70% transmitance, designs left pump light I 980nm only 30% participates in frequency multiplication reaction, and the remaining 980nm of 70% pump light I will enter four-wave mixing laserresonator, as pumping Light I.
The right light path is：The λ of ideler frequency light IIlⅡFor 1475nm optical parametric oscillator, by the 980nm of pump light I of right light path Pumping drives, and the 980nm of pump light I of right light path derives from the λ of pump light ICⅠ980nm optical fiber devices, it is entered by coupling fiber turns I Triangle annular fiber laser cavity, point or so two-way propagate, left and right two-way energy is equal, and it is left pumping that left, which is propagated, right wing Propagate as right wing pumping.
Light path is below：Pump light I accesses light path with pump light II, and triangle optical fibre ring is introduced through overcoupling fiber turns Laser cavity.
Bottom is：Laser Power Devices, pumping driving and coupler.All of the above device is arranged on optical rail and ray machine has On.
The core content of the present invention：
A kind of anemobiagraph long wavelength laser of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six, laser resonance Chamber is arranged to triangle annular fiber laser cavity, the λ of pump light ICⅠ980nm, the λ of pump light IICⅡ1460nm, the λ of frequency doubled light IBⅠ490nm、 The λ of optical parametric oscillator ideler frequency light IIlⅡ1475nm, four-wave mixing the resonator λ of ideler frequency light IlⅠ733.7nm, four-wave mixing resonance Chamber flashlight λXⅠ2920nm, the matching scheme of this six long wavelength lasers resonator wavelength：
Flashlight λXⅠThe matching scheme of the wavelength of 2920nm four-wave mixing effects：
The λ of pump light IC I is980nm, the λ of pump light IIC II is1460nm, flashlight λX I is2920nm, the λ of ideler frequency light IL I is733.7nm, this Four-wave mixing effect occurs for the laser of four wavelength, obtains flashlight λX I isThe 2920nm and λ of ideler frequency light IL I is733.7nm gain.
The λ of ideler frequency light IIlⅡThe matching scheme of the wavelength of 1475nm optical parametric oscillator effects：
Pump light I is λC I is980nm, flashlight λXⅠ2920nm, the λ of ideler frequency light IIlⅡ1475nm, the laser of these three wavelength occur Parametric oscillation effect, obtain flashlight λXⅠThe 2920nm and λ of ideler frequency light IIlⅡ1475nm gains.
The λ of frequency doubled light IBⅠThe matching scheme of the wavelength of 490nm frequency-doubled effects：
The λ of pump light IC I is980nm occurs frequency-doubled effect and produces the λ of frequency doubled light IBⅠ490nm。
The λ of ideler frequency light IIlⅡFlashlight 2920nm (the λ of 1475nm optical parametric oscillatorsXⅠ) it is used as flashlight λXⅠ2920nm tetra- The seed light of wave mixing effect signal light.
Flashlight λXⅠ2920nm frequency doubled light 1460nm is flashlight λXⅠ2920nm four-wave mixing effect pump lights 1460nm Seed light.
Brief description of the drawings：
Fig. 1 is the structure chart of this patent, wherein for：1st, the λ of ideler frequency light IlⅠThe beam splitting output optical fibre circle of 733.7nm wavelength, 2, deep Lose fiber reflector I, 3, coupler I, 4, flashlight λXⅠ2920nm wavelength period poled lithium niobate four-wave mixing laserresonators, 5th, flashlight λXⅠ2920nm beam splitting output optical fibre circle, 6, triangle annular fiber laser cavity, 7, deep etching fiber reflector II, 8th, coupler II, 9, the long wavelength laser resonator of 733.7nm, 490nm, 1460nm, 980nm, 2920nm, 1475nm six, 10, times The λ of frequency light IBⅠ490nm beam splitting output optical fibre circles, 11, the λ of ideler frequency light IIlⅡ1475nm beam splitting output optical fibre circle, 12, coupler III, 13, coupler IV, 14, the λ of frequency doubled light IBⅠ490nm frequency multiplication resonator I, 15, coupler V, 16, the λ of ideler frequency light IIlⅡFor 1475nm Optical parametric oscillator, 17, coupler VI, 18, coupling fiber turns I, 19, the λ of pump light ICⅠ980nm optical fiber devices, 20, deep etching Fiber reflector III, 21, pumping coupler I, 22, the driving source of pump light I, 23, optical rail and ray machine tool, 24, laser electricity Source, 25, coupling fiber turns II, 26, the λ of pump light IIC21184nm optical fiber devices, 27, the pumping coupler II of pump light II, 28, pumping The driving source of light II, 29, the λ of pump light IICⅡ1184nm is exported, and 30, the λ of optical parametric oscillator ideler frequency light IIlⅡ1475nm is exported, 31st, the λ of ideler frequency light I of four-wave mixing resonatorlⅠ733.7nm output, 32, the λ of pump light ICⅠ980nm is exported, and 33, the λ of frequency doubled light IBⅠ 490nm is exported, and 34, four-wave mixing resonator flashlight λXⅠ2920nm is exported.
Embodiment：
The long wavelength laser resonator 9 of 490nm, 733.7nm, 1184nm, 980nm, 2920nm, 1475nm six, resonant cavity type are set It is arranged to：Triangle annular fiber laser cavity 6, set on four angles of triangle annular fiber laser cavity 6：Deep etching optical fiber Speculum I 1, deep etching fiber reflector II 7, deep etching fiber reflector III 18 and 21, in triangle annular fiber laser cavity 6 Top light path centre position setting signal light λXⅠ2920nm wavelength period poled lithium niobate four-wave mixings laserresonator 4, Flashlight λXⅠThe left end of 2920nm wavelength period poled lithium niobate four-wave mixings laserresonator 4 sets coupler I 3, coupler I 3 are connected with the optical fiber of triangle annular fiber laser cavity 6, flashlight λXⅠ2920nm wavelength period poled lithium niobate four-wave mixings swash The right-hand member of optical cavity 4 sets coupler II 8, and coupler II 8 is connected with the optical fiber of triangle annular fiber laser cavity 6, three Setting signal light λ on left section of optical fiber of top light path of angular optical fibre ring laser cavity 6XⅠ2920nm beam splitting output optical fibre circle 5, The λ of ideler frequency light I is set on right section of optical fiber of top light path of triangle annular fiber laser cavity 6lⅠThe beam splitting output light of 733.7nm wavelength Fibre circle 1, the λ of frequency doubled light I is set in the centre position of the left light path of triangle annular fiber laser cavity 6BⅠ490nm frequency multiplication resonance Chamber I 14, in the λ of frequency doubled light IBⅠThe upper end of 490nm frequency multiplication resonator I 14 sets coupler IV 13, coupler IV 13 and triangle The optical fiber connection of optical fibre ring laser cavity 6, in the λ of frequency doubled light IBⅠThe lower end of 490nm frequency multiplication resonator I 14 sets coupler V 15, coupler V 15 is connected with the optical fiber of triangle annular fiber laser cavity 6, on the right of triangle annular fiber laser cavity 6 The centre position of light path sets the λ of ideler frequency light IIlⅡFor 1475nm optical parametric oscillator 16, in the λ of ideler frequency light IIlⅡFor 1475nm The upper end of optical parametric oscillator 16 coupler III 12, the light of coupler III 12 and triangle annular fiber laser cavity 6 are set Fibre connection, in the λ of ideler frequency light IIlⅡLower end for 1475nm optical parametric oscillator 16 sets coupler VI 17, coupler VI 17 The optical fiber connection of triangle annular fiber laser cavity 6, in the lower optical path of the left light path of triangle annular fiber laser cavity 6 Left section sets coupling fiber turns I 1, coupling fiber turns I 1 pump light I λ following with itCⅠ980nm optical fiber device 19 connects, and is coupling The fiber turns I 1 and λ of pump light ICⅠDraw the λ of pump light I in the junction of 980nm optical fiber device 19CⅠ980nm outputs 32, in the λ of pump light ICⅠ Pumping coupler I 21 is set between 980nm optical fiber device 19 and the driving source 22 of pump light I, is of coupled connections, in triangle optical fibre ring Right section of the following light path of laser cavity 6 sets 19；Set in the stage casing of the right light path lower optical path of triangle annular fiber laser cavity 6 Coupling fiber turns II 25 are put, couple the λ of following and pump light II of fiber turns II 25C21184nm optical fiber device 26 connects, pump light II λC2The pumping coupler II 27 of pump light II is set between 1184nm optical fiber device 26 and the driving source 28 of pump light II, is of coupled connections, if Put the λ of pump light IICⅡ1184nm outputs 29, the λ of optical parametric oscillator ideler frequency light IIlⅡ1475nm outputs 30, four-wave mixing resonator The λ of ideler frequency light IlⅠ733.7nm output 31, the λ of pump light ICⅠ980nm outputs 32, the λ of frequency doubled light IBⅠ490nm outputs 33 mix with four ripples Frequency resonator flashlight λXⅠ2920nm outputs 34, above-mentioned whole optical elements are all arranged on optical rail and ray machine tool 1, overall Form the long wavelength fiber output laser structure of 490nm, 733.7nm, 1184nm, 980nm, 2920nm, 1475nm six.
The course of work:
Laser Power Devices 24 are that the driving source 22 of pump light I is powered with the driving source 28 of pump light II, and the driving source 22 of pump light I passes through pumping The pumping of coupler I 21 driving pump light I λCⅠ980nm optical fiber device 19, the λ of pump light ICⅠ980nm optical fiber device 19 generates 980nm optical fiber Laser, it enters through overcoupling fiber turns I 18 in the left side optic fibre light path of triangle annular fiber laser cavity 6, through coupler V 15 enter the λ of frequency doubled light IBⅠ490nm frequency multiplication resonator I 14, frequency-doubled effect occurs, produce the λ of frequency doubled light IBⅠ490nm laser, by again The λ of frequency light IBⅠ490nm beam splitting output optical fibres circle 10 is drawn, and forms the λ of frequency doubled light IBⅠ490nm outputs 33；The driving source 28 of pump light II is logical Cross the pumping of II pumping coupler of pump light II 27 driving pump light II λC21184nm optical fiber device 26, the λ of pump light IIC21184nm light Fine device 26 generates 1184nm optical-fiber lasers, and it enters triangle annular fiber laser cavity 6,1184nm through overcoupling fiber turns II 25 Optical-fiber laser enters 19 by coupler VIII 20, and frequency-doubled effect occurs, and generates 612nm laser, is drawn by 32, forms 35.
980nm optical-fiber lasers into the left side optic fibre light path of triangle annular fiber laser cavity 6, except participating in frequency multiplication Remaining 980nm optical-fiber lasers will be directly from the λ of frequency doubled light I outside effectBⅠ490nm frequency multiplication resonator I 14 is by into deep Fiber reflector II 7 is lost, by deep etching fiber reflector II 7 by its right angle transmission and reflection to triangle annular fiber laser cavity 6 Top optic fibre light path in, this 980nm optical-fiber laser is through the entering signal light λ of coupler II 8XⅠ2920nm wavelength periods polarization niobium In sour lithium four-wave mixing laserresonator 4, this 980nm optical-fiber laser is using as the 980nm of pump light I of four-wave mixing.
After the coupled fiber turns I 18 of 980nm pump lights enter triangle annular fiber laser cavity 6, side optic fibre light path to the right Transmission, this 980nm optical-fiber laser enter the λ of ideler frequency light II by coupler VI 17lⅡFor 1475nm optical parametric oscillator 16 In, by this 980nm optical-fiber laser as the light-initiated λ of ideler frequency light II of pumpinglⅡOccur for 1475nm optical parametric oscillator 16 Optical parametric oscillator effect, generation flashlight 2920nm laser and the λ of ideler frequency light IIlⅡ1475nm laser, wherein, the λ of ideler frequency light IIlⅡ 1475nm laser is via the λ of ideler frequency light IIlⅡ1475nm beam splitting output optical fibre circle 11 is drawn, and forms the λ of ideler frequency light IIlⅡ1475nm is defeated Go out 30, flashlight 2920nm laser, will by coupler I 3 through the right angle transmission and reflection of deep etching fiber reflector I 2 to coupler I 3 Flashlight 2920nm laser coupled entering signal light λXⅠ2920nm wavelength period poled lithium niobate four-wave mixings laserresonator 4 In, its seed light 2920nm as flashlight.
The λ of pump light IIC21184nm laser will be introduced into right optic fibre light path by fiber turns, set the λ of ideler frequency light II herelⅡ For 1475nm optical parametric oscillator 16 to the highly transmissive eyeglass of 1184nm laser, make this 1184nm laser all by this For individual 1184nm laser again through the transmission and reflection of deep etching fiber reflector I 2 into coupler I 3, coupler I 3 swashs this 1184nm Light introduces 4, flashlight λXⅠ2920nm wavelength period poled lithium niobate four-wave mixing laserresonators, this 1184nm laser will be made For the 1184nm of pump light II of four-wave mixing.
From the above it can be seen that four-wave mixing laserresonator 4 obtains the 980nm of pump light I, the 1184nm of pump light II, flashlight Seed light 2920nm, four-wave mixing effects, generation four-wave mixing flashlight λ occurs in theyXⅠThe output of 2920nm laser and spare time The λ of frequency light IlⅠ733.7nm output.

Claims (1)

1. a kind of anemobiagraph long wavelength lasers of 733,7nm490nm1460nm six, it is characterized in that：Laserresonator is arranged to three Angular optical fibre ring laser cavity, the λ of pump light ICⅠ980nm, the λ of pump light IICⅡ1460nm, the λ of frequency doubled light IBⅠ490nm, optical parameter shake Swing the λ of device ideler frequency light IIlⅡ1475nm, four-wave mixing the resonator λ of ideler frequency light IlⅠ733.7nm, four-wave mixing resonator flashlight λXⅠ 2920nm, the matching scheme of this six long wavelength lasers resonator wavelength：
Flashlight λXⅠThe matching scheme of the wavelength of 2920nm four-wave mixing effects：
The λ of pump light IC I is980nm, the λ of pump light IIC II is1460nm, flashlight λX I is2920nm, the λ of ideler frequency light IL I is733.7nm this four Four-wave mixing effect occurs for the laser of individual wavelength, obtains flashlight λX I isThe 2920nm and λ of ideler frequency light IL I is733.7nm gain；
The λ of ideler frequency light IIlⅡThe matching scheme of the wavelength of 1475nm optical parametric oscillator effects：
Pump light I is λC I is980nm, flashlight λXⅠ2920nm, the λ of ideler frequency light IIlⅡ1475nm, the laser of these three wavelength are joined Oscillation effect is measured, obtains flashlight λXⅠThe 2920nm and λ of ideler frequency light IIlⅡ1475nm gains；
The λ of frequency doubled light IBⅠThe matching scheme of the wavelength of 490nm frequency-doubled effects：
The λ of pump light IC I is980nm occurs frequency-doubled effect and produces the λ of frequency doubled light IBⅠ490nm；
The λ of ideler frequency light IIlⅡFlashlight 2920nm (the λ of 1475nm optical parametric oscillatorsXⅠ) it is used as flashlight λXⅠThe ripples of 2920nm tetra- mix The seed light of frequency effect signal light；
Flashlight λXⅠ2920nm frequency doubled light 1460nm is flashlight λXⅠ2920nm four-wave mixing effect pump lights 1460nm kind Sub-light.
CN201710913262.0A 2017-09-30 2017-09-30 A kind of anemobiagraph long wavelength lasers of 733,7nm490nm1460nm six Pending CN107681439A (en)

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Application publication date: 20180209