CN106936066A - Super continuous spectrums laser generator and system - Google Patents

Super continuous spectrums laser generator and system Download PDF

Info

Publication number
CN106936066A
CN106936066A CN201710350338.3A CN201710350338A CN106936066A CN 106936066 A CN106936066 A CN 106936066A CN 201710350338 A CN201710350338 A CN 201710350338A CN 106936066 A CN106936066 A CN 106936066A
Authority
CN
China
Prior art keywords
laser
short
super continuous
continuous spectrums
pulse 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.)
Pending
Application number
CN201710350338.3A
Other languages
Chinese (zh)
Inventor
侯杰
李旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Coast Technology Co Ltd
Original Assignee
Beijing Coast Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Coast Technology Co Ltd filed Critical Beijing Coast Technology Co Ltd
Priority to CN201710350338.3A priority Critical patent/CN106936066A/en
Publication of CN106936066A publication Critical patent/CN106936066A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/005Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0092Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0092Nonlinear frequency conversion, e.g. second harmonic generation [SHG] or sum- or difference-frequency generation outside the laser cavity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/10007Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating in optical amplifiers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/106Controlling 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
    • H01S3/108Controlling 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
    • H01S3/109Frequency multiplication, e.g. harmonic generation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/06Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/0604Arrangements for controlling the laser output parameters, e.g. by operating on the active medium comprising a non-linear region, e.g. generating harmonics of the laser frequency
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S5/00Semiconductor lasers
    • H01S5/50Amplifier structures not provided for in groups H01S5/02 - H01S5/30

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Nonlinear Science (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

The invention provides a kind of super continuous spectrums laser generator and system, it is related to laser technology field, is included in what is set gradually in same light path:Laser, fiber amplifier, frequency multiplier and photonic crystal fiber, the first short-pulse laser that centre wavelength scope is 0.95~1.3 μm is provided by laser, first short-pulse laser is carried out signal amplification by fiber amplifier, export the second short-pulse laser, frequency multiplier is changed to the second short-pulse laser according to default frequency multiplication number of times, output center wavelength scope is the 3rd short-pulse laser of 470~650nm or so, photonic crystal fiber carries out non-linear transfer to the 3rd short-pulse laser, and output wavelength scope is about the super continuous spectrums laser of 350~900nm.The present invention can improve the conversion efficiency of visible light wave range, obtain the white light output of high power stabilization.

Description

Super continuous spectrums laser generator and system
Technical field
The present invention relates to laser technology field, more particularly, to super continuous spectrums laser generator and system.
Background technology
Super continuous spectrums technology can simultaneously produce the multi-wavelength short light pulse of high-repetition-rate in wide spectral region.Due to The features such as it has power output high, flat broadband spectral, the spatial coherence of height, can greatly improve signal to noise ratio, subtract Small time of measuring and widen spectral measurement ranges.So as to the super continuous spectrums white light source for producing is in laser display, laser lighting It is boundless Deng field application prospect.
But, according to data, nowadays the accessible spectral region of super continuous spectrums device is about 400nm~1.7 μ to root Between m, the centre wavelength of pumped nonlinear photonic crystal fiber is 1 μm or so.The super continuum light spectrum for so producing, main energetic Distribution concentrates on middle-infrared band (760nm~1mm), and the conversion efficiency of visible light wave range (400nm~760nm) is very low, because This can not be used for as laser display light source well.
The content of the invention
In view of this, it is an object of the invention to provide super continuous spectrums laser generator and system, to improve visible ray The conversion efficiency of wave band, obtains the white light output of high power stabilization.
In a first aspect, a kind of super continuous spectrums laser generator is the embodiment of the invention provides, wherein, it is included in same light Set gradually on road:Laser, fiber amplifier, frequency multiplier and photonic crystal fiber;
The laser, for providing the first short-pulse laser;
The fiber amplifier, for first short-pulse laser to be carried out into signal amplification, the second short pulse of output swashs Light;
The frequency multiplier, for being changed according to default frequency multiplication number of times to second short-pulse laser, output the 3rd Short-pulse laser;
The photonic crystal fiber, for carrying out non-linear transfer to the 3rd short-pulse laser, exports super continuous spectrums Laser.
With reference in a first aspect, the embodiment of the invention provides the first possible implementation method of first aspect, wherein, institute The centre wavelength scope for stating the first short-pulse laser is 0.95~1.3 μm.
With reference in a first aspect, the embodiment of the invention provides second possible implementation method of first aspect, wherein, institute The centre wavelength scope for stating the 3rd short-pulse laser is 470~650nm.
With reference in a first aspect, the embodiment of the invention provides the third possible implementation method of first aspect, wherein, institute The wave-length coverage for stating super continuous spectrums laser is 350~900nm.
With reference in a first aspect, the embodiment of the invention provides the 4th kind of possible implementation method of first aspect, wherein, institute Laser is stated for semiconductor laser, femto-second laser, optical fiber laser or solid state laser.
With reference in a first aspect, the embodiment of the invention provides the 5th kind of possible implementation method of first aspect, wherein, institute Fiber amplifier is stated for ytterbium doped optical fiber amplifier.
With reference in a first aspect, the embodiment of the invention provides the 6th kind of possible implementation method of first aspect, wherein, institute Fiber amplifier is stated for one-level is amplified or multistage amplification.
With reference in a first aspect, the embodiment of the invention provides the 7th kind of possible implementation method of first aspect, wherein, institute Frequency multiplier is stated for varactor doubler.
With reference in a first aspect, the embodiment of the invention provides the 8th kind of possible implementation method of first aspect, wherein, institute Photonic crystal fiber is stated for nonlinear optical fiber.
Second aspect, the embodiment of the present invention also provides a kind of super continuous spectrums laser generation system, wherein, including laser absorption Device, and including super continuous spectrums laser generator described in as above any one, the laser absorption device is arranged at described super The output end of continuous spectrum laser generator;
The laser absorption device, for the laser of the non-visible light wave band in super continuous spectrums laser to be absorbed.
The embodiment of the present invention brings following beneficial effect:Super continuous spectrums laser generator and system that the present invention is provided It is included in what is set gradually in same light path:Laser, fiber amplifier, frequency multiplier and photonic crystal fiber, by laser The first short-pulse laser that centre wavelength is 0.95~1.3 μm is provided, the first short-pulse laser is carried out signal by fiber amplifier Amplify, export the second short-pulse laser, frequency multiplier is changed to the second short-pulse laser according to default frequency multiplication number of times, in output Heart wave-length coverage is the 3rd short-pulse laser of 470~650nm, and photonic crystal fiber carries out non-linear to the 3rd short-pulse laser Conversion, output wavelength scope is the super continuous spectrums laser of 350~900nm.The present invention can improve the conversion effect of visible light wave range Rate, obtains the white light output of high power stabilization.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the super continuous spectrums laser generator schematic diagram that the embodiment of the present invention one is provided;
Fig. 2 is the photonic crystals optical fiber structure schematic diagram that the embodiment of the present invention one is provided;
Fig. 3 is the super continuous spectrums laser generation system schematic diagram that the embodiment of the present invention two is provided;
Fig. 4 is the super continuous spectrums laser generation method schematic diagram that the embodiment of the present invention three is provided.
Icon:
100- super continuous spectrums laser generators;110- lasers;120- fiber amplifiers;130- frequency multipliers;140- light Photonic crystal fiber;200- laser absorption devices.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Super continuous spectrums technology can simultaneously produce the multi-wavelength short light pulse of high-repetition-rate in wide spectral region.Due to The features such as it has power output high, flat broadband spectral, the spatial coherence of height, can greatly improve signal to noise ratio, subtract Small time of measuring and widen spectral measurement ranges.So as to the super continuous spectrums white light source for producing is in laser display, laser lighting It is boundless Deng field application prospect.
But, according to data, nowadays the accessible spectral region of super continuous spectrums device is about 400nm~1.7 μ to root Between m, the centre wavelength of pumped nonlinear photonic crystal fiber is 1 μm or so.The super continuum light spectrum for so producing, main energetic Distribution concentrates on middle-infrared band (760nm~1mm), and the conversion efficiency of visible light wave range (400nm~760nm) is very low, because This can not be used for as laser display light source well.
Based on this, super continuous spectrums laser generator provided in an embodiment of the present invention and system can improve visible light wave The conversion efficiency of section, obtains the white light output of high power stabilization.
For ease of understanding the present embodiment, dress is produced to the super continuous spectrums laser disclosed in the embodiment of the present invention first Put and describe in detail.
Embodiment one:
Fig. 1 is the super continuous spectrums laser generator schematic diagram that the embodiment of the present invention one is provided.
Reference picture 1, super continuous spectrums laser generator 100 is included in what is set gradually in same light path:Laser 110, Fiber amplifier 120, frequency multiplier 130 and photonic crystal fiber 140.
Laser 110, for providing the first short-pulse laser;The centre wavelength of the first short-pulse laser is 1 μm or so, model It is 0.95~1.3 μm to enclose, such as can be 1.064 μm.
Fiber amplifier 120, for the first short-pulse laser to be carried out into signal amplification, exports the second short-pulse laser;The Two short-pulse lasers are identical with the centre wavelength of the first short-pulse laser;Here fiber amplifier 120 be one-level amplify or Multistage is amplified.
Frequency multiplier 130, for being changed according to default frequency multiplication number of times to the second short-pulse laser, exports the 3rd short pulse Laser;Frequency multiplier 130 is varactor doubler, and the second short-pulse laser is changed, and output center wavelength is 500nm or so, model The 3rd short-pulse laser for 470~650nm is enclosed, the 3rd short-pulse laser is green glow, such as centre wavelength can be 532nm.
Photonic crystal fiber 140, for carrying out non-linear transfer to the 3rd short-pulse laser, exports super continuous spectrums laser. Photonic crystal fiber 140 makes the super continuous spectrums laser broadening scope of output by the centre wavelength of the 3rd short-pulse laser of change It is 350~900nm, wherein being concentrated mainly on 400~760nm.400~760nm wave bands are visible ray.Photonic crystal fiber 140 is nonlinear optical fiber.
Specifically, super continuous spectrums technology can simultaneously produce the multi-wavelength short pulse of high-repetition-rate in wide spectral region Light.The features such as having power output high, flat broadband spectral, the spatial coherence of height due to it, can greatly improve letter Make an uproar ratio, reduce time of measuring and widen spectral measurement ranges.So as to produce super continuous spectrums white light source laser display, swash The field such as optical illumination application prospect is boundless.
In the present embodiment, by adding frequency multiplier 130, by 1 μm or so of pumping optical sccond-harmonic generation into the green of 500nm or so Light, by changing centre wavelength, increases conversion efficiency of the super continuous spectrums in visible-range, and energy concentrates on visible ray model In enclosing, the white light output of high power stabilization can be obtained, so as to realize the purpose of laser display light source.
Exemplary embodiment of the invention, laser 110 is semiconductor laser, femto-second laser, optical-fiber laser Device or solid state laser.
Specifically, laser 110 can be InGaAsP/InP semiconductor lasers, with efficiency high, small volume, weight The light and low advantage of price.
Laser 110 can also be optical fiber laser, and the tail optical fiber of optical fiber laser melts with the input of fiber amplifier 120 Connect, the first short-pulse laser is directly input into fiber amplifier 120 by tail optical fiber.
Exemplary embodiment of the invention, the prioritizing selection ytterbium doped optical fiber amplifier of fiber amplifier 120.
Specifically, the technology of fiber amplifier 120 is exactly to mix that the rare earth element of laser can be produced in the fibre core of optical fiber, lead to The direct current light stimulus of the offer of laser 110 is provided, the optical signal for passing through is amplified.Ytterbium doped optical fiber amplifier is in silica fibre Fibre core in mix the ytterbium ion (Yb3+) of appropriate concentration.Because the level structure of ytterbium ion is simple, in pump light and signal Under optical wavelength, there is multiple Excited-state Absorption, light conversion efficiency is high, big level spacing eliminate the nonradiative relaxation time and Concentration quenching etc., therefore in this embodiment can preferred ytterbium doped optical fiber amplifier.
Frequency multiplier 130 can be waveguide type optical fiber frequency multiplier.
Specifically, the input of waveguide type optical fiber frequency multiplier connects the output end of fiber amplifier 120, can be put with optical fiber Big device 120 is integrated in a module.
In addition, frequency multiplier 130 can also be crystal frequency multiplier.Crystal frequency multiplier includes KTP (KTiOPO4, phosphoric acid titanyl Potassium) crystal or LN (LiNbO3, lithium niobate) crystal and frequency conversion coupler, ktp crystal or LN crystal pass through frequency conversion coupler reality Existing phase matched.
Photonic crystal fiber 140 is nonlinear optical fiber.Wherein, photonic crystal fiber 140 can be including but not limited to:Press Can be divided into two major classes, i.e. refractive index light-conducting type and band gap leading type according to its guide-lighting mechanism.
Specifically, the structure chart of the photonic crystal fiber 140 of band gap leading type can refer to Fig. 2, by pure silica core and tool It is made up of the covering of periodicity air pore structure, wherein fibre core is hollow structure.Band gap leading type photonic crystal fiber 140 passes through Change the refractive index of the size, spacing and quartz material of airport so that the dispersion of photonic crystal fiber 140 and nonlinear characteristic Generation is complicated to be changed, so that the spectral width of the super continuous spectrums produced using photonic crystal fiber 140 meets demand.
Embodiment two:
Fig. 3 is the super continuous spectrums laser generation system schematic diagram that the embodiment of the present invention two is provided.
Reference picture 3, super continuous spectrums laser generation system includes laser absorption device 200, and including as described above super Continuous spectrum laser generator 100, laser absorption device 200 is arranged at the output end of super continuous spectrums laser generator 100;
Laser absorption device 200, for the laser of the non-visible light wave band in super continuous spectrums laser to be absorbed.
Specifically, in order to avoid being caused by the laser of the non-visible light wave band of the outgoing of super continuous spectrums laser generator 100 Potential safety hazard, the super continuous spectrums laser generation system that the present embodiment is provided also includes laser absorption device 200.Laser absorption device 200 are arranged on outside the housing of super continuous spectrums laser generator 100, can through the non-of the output of photonic crystal fiber 140 for absorbing See the laser of optical band so that the light of output is concentrated mainly in the range of the centre wavelength of 400~760nm.
The embodiment of the present invention brings following beneficial effect:Super continuous spectrums laser generator and system that the present invention is provided It is included in what is set gradually in same light path:Laser, fiber amplifier, frequency multiplier and photonic crystal fiber, by laser The first short-pulse laser that centre wavelength scope is 0.95~1.3 μm is provided, fiber amplifier carries out the first short-pulse laser Signal amplifies, and exports the second short-pulse laser, and frequency multiplier is changed to the second short-pulse laser according to default frequency multiplication number of times, defeated Go out the 3rd short-pulse laser that centre wavelength scope is 470~650nm or so, photonic crystal fiber enters to the 3rd short-pulse laser Row non-linear transfer, output wavelength scope is about the super continuous spectrums laser of 350~900nm.The present invention can improve visible light wave The conversion efficiency of section, obtains the white light output of high power stabilization.
Embodiment three:
Fig. 4 is the super continuous spectrums laser generation method schematic diagram that the embodiment of the present invention three is provided.
Reference picture 4, super continuous spectrums laser generation method comprises the following steps:
Step S110, there is provided the first short-pulse laser;
Specifically, it is 0.95~1.3 μm of first short-pulse laser to provide centre wavelength scope by laser, as seed Light source.
Step S120, signal amplification is carried out by the first short-pulse laser, exports the second short-pulse laser;
Specifically, by the fiber amplifier with optical gain function, the first short-pulse laser is carried out into signal amplification, The second short-pulse laser is exported, the second short-pulse laser is identical with the centre wavelength of the first short-pulse laser.
Step S130, changes to the second short-pulse laser according to default frequency multiplication number of times, exports the 3rd short-pulse laser;
Specifically, by varactor doubler, by pumping optical sccond-harmonic generation that centre wavelength scope is 0.95~1.3 μm into centre wavelength Scope is the green glow of 470~650nm.
Step S140, non-linear transfer is carried out to the 3rd short-pulse laser, exports super continuous spectrums laser;
Specifically, carrying out non-linear transfer, output center wavelength model to the 3rd short-pulse laser by photonic crystal fiber Enclose be in 350~900nm wave bands be visible ray.
Step S150, the laser of the non-visible light wave band in super continuous spectrums laser is absorbed.
Specifically, the laser of non-visible light wave band is absorbed by laser absorption device so that the light of output is main Concentrate in the range of the centre wavelength of 400~760nm.
The embodiment of the present invention also provides a kind of electronic equipment, including memory, processor and storage are on a memory and can The computer program for running on a processor, realizes the super continuous spectrums that above-described embodiment is provided during computing device computer program The step of laser generation method.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and be stored with meter on computer-readable recording medium Calculation machine program, the step of the super continuous spectrums laser generation method of above-described embodiment is performed when computer program is run by processor.
Super continuous spectrums laser generator and the computer program product of system that the embodiment of the present invention is provided, including deposit The computer-readable recording medium of program code is stored up, the instruction that described program code includes can be used to perform previous methods implementation Method described in example, implements and can be found in embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can Being to mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention. And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Finally it should be noted that:Embodiment described above, specific embodiment only of the invention, is used to illustrate the present invention Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, it will be understood by those within the art that:Any one skilled in the art The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light Change is readily conceivable that, or equivalent is carried out to which part technical characteristic;And these modifications, change or replacement, do not make The essence of appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme, should all cover in protection of the invention Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (10)

1. a kind of super continuous spectrums laser generator, it is characterised in that be included in what is set gradually in same light path:Laser, Fiber amplifier, frequency multiplier and photonic crystal fiber;
The laser, for providing the first short-pulse laser;
The fiber amplifier, for first short-pulse laser to be carried out into signal amplification, exports the second short-pulse laser;
The frequency multiplier, for being changed according to default frequency multiplication number of times to second short-pulse laser, exports the 3rd short arteries and veins Impulse light;
The photonic crystal fiber, for carrying out non-linear transfer to the 3rd short-pulse laser, exports super continuous spectrums laser.
2. super continuous spectrums laser generator according to claim 1, it is characterised in that first short-pulse laser Centre wavelength scope is 0.95~1.3 μm.
3. super continuous spectrums laser generator according to claim 1, it is characterised in that the 3rd short-pulse laser Centre wavelength scope is 470~650nm.
4. super continuous spectrums laser generator according to claim 1, it is characterised in that the ripple of the super continuous spectrums laser Scope long is 350~900nm.
5. super continuous spectrums laser generator according to claim 1, it is characterised in that the laser swashs for semiconductor Light device, femto-second laser, optical fiber laser or solid state laser.
6. super continuous spectrums laser generator according to claim 1, it is characterised in that the fiber amplifier is to mix ytterbium Fiber amplifier.
7. super continuous spectrums laser generator according to claim 1, it is characterised in that the fiber amplifier is one-level Amplify or multistage amplification.
8. super continuous spectrums laser generator according to claim 1, it is characterised in that the frequency multiplier is two frequencys multiplication Device.
9. super continuous spectrums laser generator according to claim 1, it is characterised in that the photonic crystal fiber is non- Linear optical fiber.
10. a kind of super continuous spectrums laser generation system, it is characterised in that including laser absorption device, and will including such as right Super continuous spectrums laser generator described in 1~9 any one, the laser absorption device is asked to be arranged at the super continuous spectrums laser and produce The output end of generating apparatus;
The laser absorption device, for the laser of the non-visible light wave band in super continuous spectrums laser to be absorbed.
CN201710350338.3A 2017-05-17 2017-05-17 Super continuous spectrums laser generator and system Pending CN106936066A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710350338.3A CN106936066A (en) 2017-05-17 2017-05-17 Super continuous spectrums laser generator and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710350338.3A CN106936066A (en) 2017-05-17 2017-05-17 Super continuous spectrums laser generator and system

Publications (1)

Publication Number Publication Date
CN106936066A true CN106936066A (en) 2017-07-07

Family

ID=59429675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710350338.3A Pending CN106936066A (en) 2017-05-17 2017-05-17 Super continuous spectrums laser generator and system

Country Status (1)

Country Link
CN (1) CN106936066A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019062844A1 (en) * 2017-09-30 2019-04-04 飞秒激光研究中心(广州)有限公司 Femtosecond laser multi-modal molecular imaging system
CN110375960A (en) * 2019-06-03 2019-10-25 太原理工大学 A kind of device and method based on super continuum source OTDR
CN113466883A (en) * 2021-06-21 2021-10-01 长春理工大学 Device and method for improving detection distance in sea fog environment based on wide-spectrum circular polarization

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090252467A1 (en) * 2007-04-11 2009-10-08 Sumitomo Electric Industries, Ltd. Broadband light source device
CN104009378A (en) * 2014-05-15 2014-08-27 深圳大学 Visible light super-continuum spectrum light source based on green-light fiber laser pumping
CN105811237A (en) * 2016-06-01 2016-07-27 中国工程物理研究院激光聚变研究中心 White laser generating device
CN105896252A (en) * 2016-06-12 2016-08-24 中国人民解放军国防科学技术大学 High-power visible light enhanced super-continuum spectrum light source
CN206864863U (en) * 2017-05-17 2018-01-09 北京华岸科技有限公司 Super continuous spectrums laser generator and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090252467A1 (en) * 2007-04-11 2009-10-08 Sumitomo Electric Industries, Ltd. Broadband light source device
CN104009378A (en) * 2014-05-15 2014-08-27 深圳大学 Visible light super-continuum spectrum light source based on green-light fiber laser pumping
CN105811237A (en) * 2016-06-01 2016-07-27 中国工程物理研究院激光聚变研究中心 White laser generating device
CN105896252A (en) * 2016-06-12 2016-08-24 中国人民解放军国防科学技术大学 High-power visible light enhanced super-continuum spectrum light source
CN206864863U (en) * 2017-05-17 2018-01-09 北京华岸科技有限公司 Super continuous spectrums laser generator and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019062844A1 (en) * 2017-09-30 2019-04-04 飞秒激光研究中心(广州)有限公司 Femtosecond laser multi-modal molecular imaging system
US11128096B2 (en) 2017-09-30 2021-09-21 Femtosecond Research Center Co., Ltd. Femtosecond laser multimodality molecular imaging system
CN110375960A (en) * 2019-06-03 2019-10-25 太原理工大学 A kind of device and method based on super continuum source OTDR
CN113466883A (en) * 2021-06-21 2021-10-01 长春理工大学 Device and method for improving detection distance in sea fog environment based on wide-spectrum circular polarization

Similar Documents

Publication Publication Date Title
US5832006A (en) Phased array Raman laser amplifier and operating method therefor
CN104201545B (en) Based on the ultra broadband super continuum source of two waveband optical fiber laser
CN106936066A (en) Super continuous spectrums laser generator and system
CN103124044B (en) Frequency interval adjustable multi-wavelength anti-Stokes four-wave mixing (FWM) fiber laser
CN102916328B (en) Compact all-fiber supercontinuum white-light source
CN206850211U (en) One kind is based on 1 micron of all -fiber ultrashort pulse laser caused by dispersive wave
Yan et al. 3.1 kW monolithic MOPA configuration fibre laser bidirectionally pumped by non-wavelength-stabilized laser diodes
CN108512020A (en) Incoherent super-continuum spectrum light source with controllable spectrum and tunable output power
CN108767637A (en) THz high repetition frequency high power femto second optical fiber lasers based on dispersive wave
CN103151682A (en) Anti-Strokes Raman fiber laser achieving multi-wavelength output
CN103701022A (en) Double-resonant-cavity all-optical-fiber mode-locked pulse laser
CN111404005A (en) All-fiber mode-locked fiber laser
Wu et al. Multiwavelength ytterbium-Brillouin random Rayleigh feedback fiber laser
CN202995205U (en) Multicore photonic crystal fiber based supercontinuum source
CN207021505U (en) A kind of narrow linewidth linear polarization thulium-doped fiber laser
CN206864863U (en) Super continuous spectrums laser generator and system
Zhou et al. Tunable Brillouin-Raman multi-wavelength fiber laser with a linear cavity configuration
CN103531997A (en) Tunable cascade raman thulium-doped optical fiber laser
Lim et al. Wavelength flexible, kW-level narrow linewidth fibre laser based on 7GHz PRBS phase modulation
CN113097845A (en) Low-noise Brillouin random fiber laser
CN204012175U (en) Visible ray super continuum source based on green-light fiber laser pumping
CN204405194U (en) Single-photon detector is changed based on the low noise near infrared of all-fiber devices
CN100392449C (en) Broadband light source
CN204118459U (en) High power tunable pulse optical fiber
CN103227405B (en) A kind of optical-fiber laser produces the device of ultraviolet ultrashort-pulse

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170707