WO2013047368A1 - 広帯域光源 - Google Patents
広帯域光源 Download PDFInfo
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- WO2013047368A1 WO2013047368A1 PCT/JP2012/074220 JP2012074220W WO2013047368A1 WO 2013047368 A1 WO2013047368 A1 WO 2013047368A1 JP 2012074220 W JP2012074220 W JP 2012074220W WO 2013047368 A1 WO2013047368 A1 WO 2013047368A1
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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
- G02F1/365—Non-linear optics in an optical waveguide structure
-
- 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
- G02F1/3528—Non-linear optics for producing a supercontinuum
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/20—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 delay line
- G02F2201/205—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 delay line of fibre type
Definitions
- the present invention relates to a broadband light source that generates supercontinuum light in a nonlinear optical medium.
- nonlinear optical medium for example, an optical fiber
- nonlinear optical effects self-phase modulation, four-wave mixing, Raman scattering, etc.
- light having a new wavelength component is generated.
- the spectrum of the pulsed light is broadened and supercontinuum light is generated. Since supercontinuum light has a wide wavelength band and is spatially single mode, it is expected to be used in various fields.
- JP 2009-092570A describes a broadband light source that generates supercontinuum light.
- the pulsed light output from the pulsed light source is branched into a plurality of branched pulsed lights, each of the branched pulsed lights has a different intensity, and each of the branched pulsed lights is given a different delay,
- the branched pulse light is incident on the nonlinear optical medium.
- a 2-input 2-output optical coupler is used as conversion means for converting the pulsed light output from the pulsed light source into a plurality of pulsed light.
- the pulsed light output from the pulse light source is input to the first input terminal of the optical coupler, the pulsed light output from the first output terminal is incident on the nonlinear optical medium, and is output from the second output terminal. Pulse light is input to the second input end to form a circular optical path.
- the broadband light source configured in this manner converts each pulse output from the pulse light source into a plurality of echo pulses divided on the time axis, and causes the plurality of echo pulses to enter the nonlinear optical medium. Since the power of each echo pulse is different from each other, the spectrum spread in the nonlinear optical medium is different for each echo pulse, and the period and phase of the spectrum ripple are different. Therefore, the supercontinuum light output from the nonlinear optical medium can have a spectrum with reduced ripple.
- An object of the present invention is to provide a broadband light source capable of outputting broadband light with reduced peak power.
- the broadband light source of the present invention includes (1) a pulse light source that repeatedly outputs pulse light having a substantially constant pulse width at substantially constant time intervals, and (2) pulse light output from the pulse light source is input. Then, the spectrum of the pulsed light is broadened by an internal nonlinear optical effect to generate supercontinuum light, and (3) a nonlinear optical medium that outputs this supercontinuum light, and (3) between the input end and the output end. It has a plurality of optical paths, and at least a part of any one of the plurality of optical paths is a circular optical path, and the supercontinuum light output from the nonlinear optical medium is input to the input end and the plurality of optical paths And an optical echo unit that outputs supercontinuum light guided by a plurality of optical paths from an output end.
- the optical echo unit has a first input end, a second input end, a first output end, and a second output end, and receives light input to the first input end or the second input end.
- An optical coupler that includes an optical coupler that divides into two and outputs from each of the first output end and the second output end, and the second input end and the second output end are optically connected to each other to form a circulating optical path having a propagation delay T.
- the optical echo unit includes M optical couplers as optical couplers, where M is an integer of 2 or more, and the second of the i-th optical couplers of the M optical couplers.
- a circular optical path having a propagation delay T [i] is formed by optically connecting the input end and the second output end to each other, and a and b are integers taking 1 or 2, and formula (2)
- the pulse overlap parameter d defined by (1) is not less than 0.75, and the expression (3) It is preferable that this relationship holds.
- the broadband light source of the present invention has a loss spectrum with a loss larger in a wavelength region outside the band in a band having a total width of 10 nm or more centered on the center wavelength of the pulsed light output from the pulse light source, and a nonlinear optical medium It is preferable to further include a band attenuating filter that inputs the supercontinuum light output from the light source, gives a loss according to the loss spectrum to the supercontinuum light, and outputs it.
- the broadband light source of the present invention can output broadband light with reduced peak power.
- the peak power of the echo pulse output from the optical coupler is so high as to cause a nonlinear optical effect in the nonlinear optical medium, and the peak of the supercontinuum light output from the nonlinear optical medium. Power is also high.
- this supercontinuum light is used as illumination light for measurement, a further nonlinear optical effect occurs in the optical fiber that transmits the supercontinuum light to the measurement object, and the shape of the spectrum is lost.
- the end face of the optical fiber is burned and the reflection-reducing coating is deteriorated. There may be a problem that a measurement object is damaged by a strong optical electric field.
- the broadband light source of the present invention can output broadband light with reduced peak power.
- FIG. 1 is a conceptual diagram of a broadband light source 1 according to the first embodiment of the present invention.
- the broadband light source 1 includes a pulse light source 10, an optical fiber (nonlinear optical medium) 11, a band attenuation filter 12, and an optical echo unit 20.
- the pulse light source 10 repeatedly outputs pulsed light having a substantially constant pulse width at substantially constant time intervals.
- the “substantially constant” pulse width and the “substantially constant” time interval include fluctuations in the power supply voltage supplied to the light source, noise generated in the light source, fluctuations in the ambient temperature of the light source, etc. This means that it is constant except that it changes due to unintentional factors, and normally the fluctuation range can be controlled to less than ⁇ 5%.
- the pulsed light source 10 is preferably a pulsed laser light source that can output pulsed laser light having a high peak power.
- the pulse light source 10 for example, a fiber laser light source using a rare earth element-doped optical fiber as an amplification medium, and a MOPA (Master-amplifier) that amplifies seed light from a semiconductor laser by a fiber amplifier using a rare earth element-doped optical fiber as an amplification medium.
- Oscillator (Power-Amplifier) type light source, titanium sapphire laser light source and the like are preferably used.
- the wavelength of the output pulse light is 1550 nm and is added to the rare earth element doped optical fiber.
- the wavelength of the output pulse light is 1060 nm.
- the wavelength of the output pulse light of the titanium sapphire laser light source is 800 nm.
- the pulse width of the output pulse light from the pulse light source 10 is typically in the range of about 100 fs to 10 ns.
- the peak power of the output pulse light from the pulse light source 10 is typically 1 kW or more.
- the optical fiber 11 as a nonlinear optical medium receives the pulsed light output from the pulsed light source 10 and generates supercontinuum light by broadening the spectrum of the pulsed light due to the nonlinear optical effect therein. Output light.
- the optical fiber 11 may be a special optical fiber such as a highly nonlinear optical fiber or a photonic crystal fiber, or a single mode optical fiber (so-called standard single mode optical fiber) compliant with ITU-T G.652. Also good.
- the pulse light source 10 preferably generates pulsed light having a center wavelength of 1550 nm, a pulse width of 1 ns, and a peak power of 6 kW with a repetition period of 100 kHz.
- a pulse light source 10 can be realized by the MOPA method.
- the optical fiber 11 is preferably a standard single mode optical fiber. This combination is advantageous in that the cost is low because a special optical fiber such as a highly nonlinear optical fiber or a photonic crystal fiber is not used.
- a relatively high power density of about 1 mW / nm can be obtained at a wavelength of 1600 nm or more and 1800 nm or less by manifesting a nonlinear optical effect mainly including Raman scattering and modulation instability.
- the broadband light source 1 that outputs supercontinuum light in such a wavelength band is suitable for applications that detect substances such as lipids. Suitable.
- the pulse light source 10 and the optical fiber 11 can be variously combined other than this.
- the band attenuating filter 12 has a larger loss in a wavelength region outside the band with a total width of 10 nm or more centered on the center wavelength of the pulsed light output from the pulse light source 10 (for example, a loss of 10 dB to 20 dB). Has a spectrum.
- the band attenuating filter 12 receives the supercontinuum light output from the optical fiber 11, gives a loss according to the loss spectrum to the supercontinuum light, and outputs it.
- band attenuating filter 12 for example, a slant type fiber grating in which a Bragg diffraction grating is formed obliquely in the core of an optical fiber, or a long period type using optical coupling between a core mode and a cladding mode in the optical fiber.
- a fiber grating or the like is preferably used.
- the supercontinuum light In the vicinity of the center wavelength of the pulsed light output from the pulsed light source 10, the supercontinuum light has a spectral peak due to the output pulsed light of the pulsed light source 10, and the spectral density is 10 dB compared to other wavelength bands. It is difficult to use for measurement because it increases by 20 dB. However, by providing such a band attenuation filter 12, the nonuniformity of the spectral density of supercontinuum light is reduced. In addition, since the total power of supercontinuum light is reduced, pulsed light such as spectrum collapse in the transmission fiber for transmitting supercontinuum light, damage to optical components and measurement objects, etc. Occurrence of failures due to the is reduced.
- the optical echo unit 20 has a plurality of optical paths between the input end and the output end, and at least a part of any one of the plurality of optical paths is a circulating optical path.
- the optical echo unit 20 inputs the supercontinuum light output from the optical fiber 11 and passed through the band attenuation filter 13 to the input end, guides the supercontinuum light through the plurality of optical paths, and transmits the supercontinuum light guided through the plurality of optical paths. Output from the output terminal.
- the optical echo unit 20 includes four optical couplers 21 1 , 21 2 , 21 3 , and 21 4 .
- the light input to the end can be branched into two at a branching ratio of 50:50 and output from each of the first output end and the second output end.
- the second input end and the second output end of each optical coupler 21 i are optically connected by an optical fiber 22 i to form a loop optical path having a loop length L [i] having a propagation delay T [i]. ing.
- the band attenuation filter 12 and the first input terminal of the first-stage optical coupler 21 1 are connected by an optical fiber 23 1 .
- the first output end of the first-stage optical coupler 21 1 and the first input end of the second-stage optical coupler 21 2 are connected by an optical fiber 23 2 .
- a first output terminal of the optical coupler 21 of the second stage and the first input end of the optical coupler 21 3 of the third stage are connected by the optical fiber 23 3.
- First output of the optical coupler 21 of the third stage and the fourth stage of the first input end of the optical coupler 21 4, are connected by an optical fiber 23 4.
- the first output end of the optical coupler 21 4 of the fourth stage is connected to the optical fiber 23 5.
- each propagation delay T [i] is expressed by equation (4).
- the integer light echo portion 20 is generally more than M optical coupler 21 1, it is intended to include ⁇ ⁇ ⁇ 21 M.
- Each of the optical fibers 22 1 , 22 2 , 22 3 , and 22 4 is made of silica-based glass and has a group refractive index of about 1.46. Therefore, the group velocity of propagating light is 0.2 m / ns.
- Each propagation delay is 1.6 times, 2.4 times, 4.0 times, and 6.0 times with respect to the pulse width of 1 ns of the output pulse light of the pulse light source 10.
- the optical echo unit 20 includes M optical couplers 21 1 ,... 21 M , a and b are integers taking 1 or 2, and the expression (6) It is preferable that the pulse overlap parameter d defined by is 0.75 or more. When the pulse overlap parameter d is equal to or greater than 0.75, the overlap between the circulating pulse lights is suppressed to 25% or less with respect to the pulse width, and a good peak power reduction effect is obtained.
- FIG. 2 is a chart for obtaining the pulse overlap parameter d of the broadband light source 1 of the first embodiment.
- FIG. 2 shows the absolute value of aT [i] ⁇ bT [j] for each value of a and b and each value of i and j, and shows the minimum value of each row or column for that absolute value.
- the pulse overlap parameter d is 0.8.
- the time interval p of the pulsed light is 0.01 ms.
- the branching ratio of the optical coupler 21i is 50:50, the peak power of the pulsed light that makes 10 rounds of the circulating optical path is (1/2) 10 ⁇ 1 / 1000 and can be ignored, so the propagation delay of the longest circulating optical path Is preferably 1/10 or less of the repetition time p.
- FIG. 3 is a conceptual diagram of the broadband light source 2 according to the second embodiment of the present invention.
- the broadband light source 2 includes a pulse light source 10, an optical fiber (nonlinear optical medium) 11, a band attenuation filter 12, and an optical echo unit 30.
- the broadband light source 2 of the second embodiment is different in that an optical echo unit 30 is provided instead of the optical echo unit 20.
- the optical echo unit 30 has a plurality of optical paths between the input end and the output end, and at least a part of any one of the plurality of optical paths is a circulating optical path.
- the optical echo unit 30 inputs the supercontinuum light output from the optical fiber 11 and passed through the band attenuation filter 13 to the input end, guides the supercontinuum light through a plurality of optical paths, and transmits the supercontinuum light guided by the plurality of optical paths. Output from the output terminal.
- the optical echo unit 30 includes four optical couplers 31 1 , 31 2 , 31 3 , and 31 4 .
- the light input to the end can be branched into two at a branching ratio of 50:50 and output from each of the first output end and the second output end.
- a second output terminal of the optical coupler 31 of the first stage and the second input end of the optical coupler 31 of the second stage are connected by the optical fiber 32 1.
- a second input terminal of the optical coupler 31 3 of the second output end of the optical coupler 31 2 and the third stage of the second stage are connected by the optical fiber 32 2.
- a second input terminal of the third stage and the second output end of the optical coupler 31 3 of the fourth-stage optical coupler 31 4 are connected by the optical fiber 32 3.
- a fourth stage of the second input terminal of the optical coupler 31 1 of the second output terminal and the first stage of the optical coupler 31 4 are connected by an optical fiber 32 4. Thereby, a circulating optical path is formed.
- a band attenuation filter 12 and the first input terminal of the optical coupler 31 of the first stage are connected by the optical fiber 33 1.
- a first output terminal of the optical coupler 31 of the first stage and the first input terminal of the optical coupler 31 of the second stage are connected by the optical fiber 33 2.
- a first output terminal of the optical coupler 31 of the second stage and the first input terminal of the optical coupler 31 3 of the third stage are connected by the optical fiber 33 3.
- First output of the optical coupler 31 of the third stage and the fourth stage of the first input end of the optical coupler 31 4 are connected by an optical fiber 33 4.
- the first output end of the optical coupler 31 4 of the fourth stage is connected to the optical fiber 33 5.
- a second optical output terminal of a certain optical coupler and a second input terminal of another optical coupler are connected by an optical fiber to form a circulating optical path.
- the degree of freedom with respect to the difference in propagation delay between the plurality of optical paths is increased.
- an optical fiber coupler although can be suitably used as an optical coupler 31 1 of a first embodiment of an optical coupler 21 i and the second embodiment because the transmission band is wide, while the as in the first embodiment
- the minimum loop length is usually limited to about 0.2 m depending on the minimum bending diameter of the optical fiber and the extra length required for fusion splicing.
- the optical echo unit 30 in the second embodiment can adjust the difference in delay time between branched optical paths on the order of 0.01 m.
- FIG. 4 is a conceptual diagram of the broadband light source 3 of the comparative example.
- the broadband light source 3 includes a pulse light source 10, an optical fiber (nonlinear optical medium) 11, a band attenuation filter 12, and an optical echo unit 40.
- the broadband light source 3 of the comparative example is different in that an optical echo unit 40 is provided instead of the optical echo unit 20.
- the optical echo unit 40 includes 14 optical couplers 41 11 , 41 21 , 41 22 , 41 31 , 41 32 , 41 33 , 41 34 , 41 41 , 41 42 , 41 43 , 41 44 , 41 51 , 41 52. , 41 61 .
- the light input from the band attenuating filter 12 to the optical echo unit 40 is divided into eight by optical couplers 41 11 , 41 21 , 41 22 , 41 31 , 41 32 , 41 33 , 41 34 , and each of the eight branched branches.
- the light is input to any input terminal of the optical couplers 41 41 , 41 42 , 41 43 , and 41 44 .
- the light output from one of the two output terminals of each of the optical couplers 41 41 , 41 42 , 41 43 , 41 44 is input to one of the optical couplers 41 51 , 41 52.
- the light output from the other output end is not used and is lost.
- light output from one of the two output terminals of each of the optical couplers 41 51 and 41 52 is input to the optical coupler 41 61, but light output from the other output terminal is used. It is not a loss.
- the optical echo unit 40 configured in this way is not preferable because it does not have a circular optical path and there is a branched light that is not coupled to the output end, so that the power utilization efficiency is low.
- the optical echo units 20 and 30 of the first or second embodiment can circulate the light branched by the optical coupler, thereby coupling all the branched lights to the output end, Use efficiency is high.
- the broadband light source of the present invention can be used as an illumination light source for measurement.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
Claims (4)
- 実質的に一定のパルス幅tを有するパルス光を実質的に一定の時間間隔pで繰り返し出力するパルス光源と、
前記パルス光源から出力されたパルス光を入力し、内部での非線形光学効果により該パルス光のスペクトルを広げてスーパーコンティニウム光を生成し、このスーパーコンティニウム光を出力する非線形光学媒体と、
入力端と出力端との間に複数の光路を有し、前記複数の光路のうち何れかの光路の少なくとも一部が周回光路とされており、前記非線形光学媒体から出力されたスーパーコンティニウム光を前記入力端に入力して前記複数の光路により導光させ、前記複数の光路により導光されたスーパーコンティニウム光を前記出力端から出力する光エコー部と
を備える広帯域光源。 - 前記光エコー部は、
第1入力端,第2入力端,第1出力端および第2出力端を有し、前記第1入力端または前記第2入力端に入力される光を2分岐して前記第1出力端および前記第2出力端それぞれから出力する光結合器と、
前記第2入力端と前記第2出力端とを光学的に接続する伝搬遅延Tを与える周回光路と
を含み、
前記遅延Tが(1)式
- 前記パルス光源から出力されるパルス光の中心波長を中心とする、全幅10nm以上の帯域において、該帯域外の波長領域においてより損失が大きい損失スペクトルを有し、前記非線形光学媒体から出力されたスーパーコンティニウム光を入力し、前記損失スペクトルに従う損失を該スーパーコンティニウム光に与えて出力する帯域減衰フィルタを更に備える
請求項1に記載の広帯域光源。
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KR1020137018882A KR20140068795A (ko) | 2011-09-27 | 2012-09-21 | 광대역 광원 |
US13/977,913 US20140056023A1 (en) | 2011-09-27 | 2012-09-21 | Broadband light source |
CN2012800068728A CN103339561A (zh) | 2011-09-27 | 2012-09-21 | 宽带光源 |
Applications Claiming Priority (2)
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JP2011211301A JP2013072962A (ja) | 2011-09-27 | 2011-09-27 | 広帯域光源 |
JP2011-211301 | 2011-09-27 |
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WO2013047368A1 true WO2013047368A1 (ja) | 2013-04-04 |
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PCT/JP2012/074220 WO2013047368A1 (ja) | 2011-09-27 | 2012-09-21 | 広帯域光源 |
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US (1) | US20140056023A1 (ja) |
JP (1) | JP2013072962A (ja) |
KR (1) | KR20140068795A (ja) |
CN (1) | CN103339561A (ja) |
WO (1) | WO2013047368A1 (ja) |
Cited By (1)
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JP2016524320A (ja) * | 2013-05-07 | 2016-08-12 | ユニヴェルシタット・デ・ヴァレンシア | 広帯域スーパーコンティニューム光放出デバイス及びその使用 |
Families Citing this family (5)
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JP6255772B2 (ja) * | 2013-07-29 | 2018-01-10 | 住友電気工業株式会社 | 光ファイバおよび光伝送システム |
FR3047119B1 (fr) * | 2016-01-22 | 2018-03-02 | Centre National De La Recherche Scientifique - Cnrs - | Dispositif de generation d’un faisceau de photons polychromatique et d’energie sensiblement constante |
TWI678038B (zh) * | 2018-12-14 | 2019-11-21 | 財團法人工業技術研究院 | 脈衝延遲可調光纖雷射系統 |
CN114174910A (zh) * | 2019-08-02 | 2022-03-11 | 优志旺电机株式会社 | 宽频带脉冲光源装置、分光测定装置、分光测定方法以及分光分析方法 |
CN111487472B (zh) * | 2020-03-31 | 2022-08-05 | 北京时代民芯科技有限公司 | 一种测量单粒子瞬态脉冲宽度的电路结构 |
Citations (3)
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JPH09236834A (ja) * | 1996-02-28 | 1997-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 光パルス発生装置 |
JP2004152932A (ja) * | 2002-10-30 | 2004-05-27 | National Institute Of Advanced Industrial & Technology | 光パルスのタイミングジッター低減方法および装置 |
JP2009092570A (ja) | 2007-10-10 | 2009-04-30 | Sumitomo Electric Ind Ltd | 広帯域光源装置及び分析装置 |
Family Cites Families (6)
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US5940549A (en) * | 1996-07-30 | 1999-08-17 | Seagate Technology, Incorporated | Optical system and method using optical fibers for storage and retrieval of information |
US7340135B2 (en) * | 2005-03-31 | 2008-03-04 | Sumitomo Electric Industries, Ltd. | Light source apparatus |
US7519253B2 (en) * | 2005-11-18 | 2009-04-14 | Omni Sciences, Inc. | Broadband or mid-infrared fiber light sources |
JP2008262004A (ja) * | 2007-04-11 | 2008-10-30 | Sumitomo Electric Ind Ltd | 広帯域光源装置 |
US8385699B2 (en) * | 2010-07-29 | 2013-02-26 | Jian Liu | Amplified broadband fiber laser source |
US9213215B2 (en) * | 2012-01-19 | 2015-12-15 | The United States Of America, As Represented By The Secretary Of The Navy | IR fiber broadband mid-IR light source |
-
2011
- 2011-09-27 JP JP2011211301A patent/JP2013072962A/ja not_active Withdrawn
-
2012
- 2012-09-21 US US13/977,913 patent/US20140056023A1/en not_active Abandoned
- 2012-09-21 KR KR1020137018882A patent/KR20140068795A/ko not_active Application Discontinuation
- 2012-09-21 CN CN2012800068728A patent/CN103339561A/zh active Pending
- 2012-09-21 WO PCT/JP2012/074220 patent/WO2013047368A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09236834A (ja) * | 1996-02-28 | 1997-09-09 | Nippon Telegr & Teleph Corp <Ntt> | 光パルス発生装置 |
JP2004152932A (ja) * | 2002-10-30 | 2004-05-27 | National Institute Of Advanced Industrial & Technology | 光パルスのタイミングジッター低減方法および装置 |
JP2009092570A (ja) | 2007-10-10 | 2009-04-30 | Sumitomo Electric Ind Ltd | 広帯域光源装置及び分析装置 |
Cited By (1)
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JP2016524320A (ja) * | 2013-05-07 | 2016-08-12 | ユニヴェルシタット・デ・ヴァレンシア | 広帯域スーパーコンティニューム光放出デバイス及びその使用 |
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CN103339561A (zh) | 2013-10-02 |
KR20140068795A (ko) | 2014-06-09 |
JP2013072962A (ja) | 2013-04-22 |
US20140056023A1 (en) | 2014-02-27 |
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