CN105449520A - Wavelength-tunable red laser and wavelength tuning method - Google Patents
Wavelength-tunable red laser and wavelength tuning method Download PDFInfo
- Publication number
- CN105449520A CN105449520A CN201510956887.6A CN201510956887A CN105449520A CN 105449520 A CN105449520 A CN 105449520A CN 201510956887 A CN201510956887 A CN 201510956887A CN 105449520 A CN105449520 A CN 105449520A
- Authority
- CN
- China
- Prior art keywords
- laser
- wavelength
- superlattice
- tunable
- optical parametric
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] 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
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/125—Distributed Bragg reflector [DBR] lasers
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention discloses a wavelength-tunable red laser and a wavelength tuning method. The wavelength-tunable red laser is composed of a DBR laser, a Yb-doped fiber laser, a waveguide frequency multiplier and an optical parametric oscillator, all of which are arranged on the same axial line; an isolator is mounted between the DBR laser and the Yb-doped fiber laser, the DBR laser, the isolator, the Yb-doped fiber laser, the waveguide frequency multiplier and the optical parametric oscillator are connected through fiber conduits. The wavelength tuning method comprises the steps: a, utilizing the DBR laser to generate wavelength-tunable seed lights; b, utilizing the Yb-doped fiber laser to perform Q-modulation on an injection light source to generate pulse lasers; c, outputting the lasers into waveguide type chirp period superlattices to be subjected to frequency multiplication, thereby generating tunable green lights with the average power of 20W and the wavelength of 500-530nm; d, utilizing waveguide-structure superlattices in the optical parametric oscillator to perform frequency conversion, thereby outputting tunable red lasers with the wavelength of 600-700nm. The wavelength-tunable red laser and the wavelength tuning method have the advantages that the structure is simple, the performances are stable, the reliability is good and the wavelength tuning speed is high.
Description
Technical field
The present invention relates to laser technology and non-linear optical field, particularly relate to a kind of red laser and wavelength tuning method of tunable wave length.
Background technology
At present, the field of scientific study such as biology, material and the industrial circle such as medical treatment, detection have widespread demand to visible laser especially red laser.Red laser conventional mostly at present is semiconductor and solid state laser, owing to being subject to the restriction of Laser emission mechanism and laser material performance, its output wavelength mostly is the fixed band such as 630nm, 650nm, 671nm, and wavelength can not be tuning arbitrarily, strongly limit its application in above-mentioned field.Such as in photodynamic therapy treatment neoplastic process, need to assist and kill cancer cell with sensitising agent generation singlet oxygen, the absorption peak of different sensitising agents to laser is widely different, needs the different wave length laser therapeutic apparantus that even wavelength can be tuning arbitrarily just to have good therapeutic effect.Producing one of approach of tunable wave length laser is adopt frequency transform techniques, such as frequency multiplication, difference frequency and optical parametric oscillation etc.At present with the optical parametric oscillator of all solid state laser pumping, adopt the crystal such as BBO, LBO, KTP or PPLN as nonlinear frequency converters part, adjust the conditions such as the angle of crystal, position mechanically, the red laser of wavelength from 600nm to 700nm can be produced, wavelength can realize any output according to demand, can meet the demand of the demand to wavelength and power.But because nonlinear crystal must adjust wavelength by the mode of mechanical regulation, cause device inside containing parts such as stepping motor, rotation or displacement platforms, complex structure, volume is large, and tuned speed is slow, and stability and reliability are all not enough.
Distribution bragg semiconductor laser (DBR) be a kind of by regulating and controlling voltage distributed feed-back element with reach adjustment output wavelength laser, owing to not containing mechanical part, thus compact conformation, reliability is high, tuned speed can reach few kilohertz per second, tuning range can reach more than 70nm, about power output 10mW.Mix ytterbium (Yb) fiber laser and there is gain ranging more than 100nm near 1064nm, power output can up to tens of watts, by the ps pulsed laser and ns pulsed laser of (adjusting Q) exportable high repetition frequency, high-peak power after adding modulation element.The laser of a frequency can be converted to the relevant output of signal and idle frequence by optical parametric oscillation (OPO), and can realize tuning in a very wide frequency range, is one of important means of producing of tunable laser.The appearance of quasi-phase matched nonlinear material (or claiming optical superlattice), greatly improve the ability that non-linear frequency transforms, compared with traditional birefringent phase matching nonlinear material, due to its have high nonlinear coefficient and without walk from advantage, the efficiency of nonlinear frequency conversion can be made to obtain significant increase in conjunction with guide technology, such as, obtain high power 532nm green laser by frequency doubling technology (SHG).
Summary of the invention
The invention provides a kind of red laser and wavelength tuning method of tunable wave length, overcome the complicated in mechanical structure of traditional Wavelength tunable laser, volume is large, and tuned speed is slow, the problem of stability and reliability deficiency.
The object of the invention is to be achieved through the following technical solutions:
A kind of red laser of tunable wave length, it is characterized in that: be made up of the DBR laser set gradually on the same axis, Yb-doped double-clad fiber lasers, waveguide frequency multiplier and optical parametric oscillator, be provided with isolator between wherein said DBR laser and Yb-doped double-clad fiber lasers, described DBR laser, isolator, Yb-doped double-clad fiber lasers, waveguide frequency multiplier are connected by fibre-optic catheter with between optical parametric oscillator.
Described waveguide frequency multiplier is the chirped periodic superlattice of waveguiding structure, and described chirped periodic superlattice are made up of rectangular base and the superlattice be arranged on above rectangular base, and described rectangular base is by low-refraction SO
2bonding lithium niobate material is formed.
Described optical parametric oscillator is waveguiding structure superlattice, and the two ends of waveguiding structure superlattice are coated with anti-reflection film, and described waveguiding structure superlattice are at pump light incidence end plating high-reflecting film, and described waveguiding structure superlattice plate 60% reflectance coating at pump light exit end.
Described chirped periodic superlattice and waveguiding structure superlattice are by LiNbO
3, LiTaO
3or KTP material is formed.
A kind of wavelength tuning method, it is characterized in that, the method comprises the following steps:
A, employing DBR laser produce the seed light of tunable wave length, by described seed light by coupling fiber, and after isolator isolation feedback light, are injected in Yb-doped double-clad fiber lasers;
B, described Yb-doped double-clad fiber lasers carry out tune Q to injection light source and produce pulse laser, and export described pulse laser to waveguide frequency multiplier;
C, Output of laser enter in waveguide type chirped periodic superlattice and carry out frequency multiplication, produce the 500nm-530nm tunable wave length green glow of average power 20W, and enter optical parametric oscillator by Lens Coupling;
Waveguiding structure superlattice in d, optical parametric oscillator carry out frequency inverted, export the red tunable laser of 600nm-700nm.
Described seed light is 1000nm-1060nm tunable wave length small-power infrared laser.
The repetition rate of described pulse laser is 50KHz, and pulse length is 100ns, and power output is 50W, and polarization direction is in vertical curve polarization.
Described steps d specifically comprises: described optical parametric oscillator, according to the seed light wavelength after tuning, judges the wavelength producing red tunable laser.
Compared with prior art, the present invention at least has the following advantages:
By the technical scheme of the invention described above, adopt DBR laser to carry out wavelength tuning, Yb-doped double-clad fiber lasers is as pump light, and the chirped periodic superlattice of waveguiding structure are as frequency doubling device, and waveguiding structure superlattice optical parametric oscillator exports tunable ruddiness.This laser has compact structure, stable performance, the fireballing advantage of wavelength tuning.This method produces high power near-infrared laser by the DBR laser of tunable wave length as seed light injection fibre laser, produce tunable green pump laser through waveguide type superlattice frequency multiplication of warbling, then produce tunable wave length red laser by waveguide type optical parametric oscillator.I.e. tuning DBR seed light wavelength between 500nm-530nm, produces 600nm-700nm tunable wave length red laser.The present invention does not comprise mechanical moving element, and wavelength tuning is by automatically controlled modulation, and volume is little, and reliability is high, and tuned speed is fast, overcomes the shortcoming of traditional Wavelength tunable laser.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of the tunable wave length red laser that the embodiment of the present invention provides;
Fig. 2 is the structural representation of the waveguiding structure chirped periodic superlattice that the embodiment of the present invention provides;
Fig. 3 is the structural representation of waveguiding structure superlattice in the optical parametric oscillator that provides of the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of the wavelength tuning method that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the present invention, be clearly and completely described the technical scheme in the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, for the red laser of a kind of tunable wave length that the embodiment of the present invention proposes, it is characterized in that: be made up of the DBR laser 1 set gradually on the same axis, Yb-doped double-clad fiber lasers 3, waveguide frequency multiplier 4 and optical parametric oscillator 5, isolator 2, DBR laser 1, isolator 2, Yb-doped double-clad fiber lasers 3 are wherein installed between DBR laser 1 and Yb-doped double-clad fiber lasers 3, are connected by fibre-optic catheter between waveguide frequency multiplier 4 with optical parametric oscillator 5.
As shown in Figure 2, waveguide frequency multiplier 4 reality is the chirped periodic superlattice 6 of waveguiding structure, chirped periodic superlattice 6 are made up of rectangular base 61 and the superlattice 62 be arranged on above rectangular base, rectangular base 61 adopts low-refraction SO2 material as substrate, after bonding lithium niobate material, make chirped periodic superlattice by room temperature electrical-poling technique, then produced the rectangular waveguide of sectional dimension 100um*100um by chemical polishing mode.In order to improve conversion efficiency, waveguide length is 40mm-50mm.
As shown in Figure 3, optical parametric oscillator 5 reality is waveguiding structure superlattice 7, and the two ends of waveguiding structure superlattice 7 are coated with anti-reflection film, and waveguiding structure superlattice 7 are at pump light incidence end plating high-reflecting film, and waveguiding structure superlattice 7 plate 60% reflectance coating at pump light exit end.This kind of structure does not comprise adjustable chamber mirror, and oscillation light is constrained in waveguide internal reflection, and efficiency is high, good reliability.
Preferably, chirped periodic superlattice 6 and waveguiding structure superlattice 7 are by LiNbO
3, LiTaO
3or KTP material is formed, have the waveguide type cross section of hundred micron dimensions and the waveguide length of centimetres, and the polarization cycle of chirped periodic superlattice 6 is between 5um-7um, waveguiding structure superlattice 7 adopt the 8.8um non-uniform polar cycle.
As shown in Figure 4, be a kind of wavelength tuning method that the embodiment of the present invention proposes, it is characterized in that, the method comprises the following steps:
A, employing DBR laser produce the seed light of tunable wave length, by seed light by coupling fiber, and after isolator isolation feedback light, are injected in Yb-doped double-clad fiber lasers;
B, Yb-doped double-clad fiber lasers carry out tune Q to injection light source and produce pulse laser, and export pulse laser to waveguide frequency multiplier;
C, Output of laser enter in waveguide type chirped periodic superlattice and carry out frequency multiplication, produce the 500nm-530nm tunable wave length green glow of average power 20W, and enter optical parametric oscillator by Lens Coupling;
Waveguiding structure superlattice in d, optical parametric oscillator carry out frequency inverted, export the red tunable laser of 600nm-700nm.
Further, the design parameter of DBR laser is: power output 10mW, tuning wavelength 1000nm-1060nm, tuned speed 10KHz.Yb-doped double-clad fiber lasers adopts polarization-preserving optical fibre device to form, and adopt the pulse laser adjusting Q mode to export 50KHz repetition rate, pulse length is about 100ns, and polarization direction is in vertical curve polarization, and power output is about 50W, and output wavelength is determined by seed injection optical wavelength.
Preferably, seed light is 1000nm-1060nm tunable wave length small-power infrared laser.The repetition rate of pulse laser is 50KHz, and pulse length is 100ns, and power output is 50W, and polarization direction is in vertical curve polarization.
To the frequency multiplication process in step c, details are as follows below:
Frequency multiplication process of the present invention is actual is a kind of three couple waves non-linear process, and namely can be considered a kind of special in frequency process, cycle and the wavelength of chirped periodic superlattice are determined by following formula:
Wherein Λ is superlattice period, and λ 1, λ 2 and λ 3 are the wavelength of frequency doubled light, fundamental wave 1 and fundamental wave 2 respectively, and n1, n2 and n3 are refractive index corresponding to corresponding optical maser wavelength, and T is temperature.When fundamental wave 1 is equal with the wavelength of fundamental wave 2, be frequency multiplication process.From above formula, for (1000nm-1060nm) during fundamental wave Wavelength variable, need multiple cycle (Λ) that frequency multiplication process could be realized.Common way adopts multichannel superlattice, in the transversely arranged multiple cycle, mates different fundamental wave wavelength by moving period position.The present invention adopts chirped periodic superlattice as shown in Figure 2 to realize this process.The near-infrared laser scioptics that Yb-doped double-clad fiber lasers exports focus to 60um-70um size and are coupled in waveguide.Hot spot can effectively be constrained in the waveguide sections of 100um*100um by waveguiding structure, laser power density is made to keep higher level, waveguide sections large compared with single mode waveguide can be avoided not producing damage under higher power level simultaneously, has higher power concurrently while ensureing conversion efficiency.
When export pulse laser enter waveguide type chirped periodic superlattice crystal carry out frequency multiplication time, chirped periodic scope is 5.72um-6.90um, the long 40mm-50mm of waveguide, and sectional dimension is 100um*100um.Frequency multiplication produces the 500nm-530nm tunable wave length green glow that average power is 20W, enters waveguide type optical parametric oscillator by Lens Coupling.After pump power exceedes oscillator threshold value, oscillator exports the red tunable laser of 600nm-700nm, and optical maser wavelength is determined by pump wavelength.Optical parametric oscillator, according to the seed light wavelength after tuning, judges the wavelength producing red tunable laser.
Compared with prior art, the present invention at least has the following advantages:
By the technical scheme of the invention described above, adopt DBR laser to carry out wavelength tuning, Yb-doped double-clad fiber lasers is as pump light, and the chirped periodic superlattice of waveguiding structure are as frequency doubling device, and waveguiding structure superlattice optical parametric oscillator exports tunable ruddiness.This laser has compact structure, stable performance, the fireballing advantage of wavelength tuning.This method produces high power near-infrared laser by the DBR laser of tunable wave length as seed light injection fibre laser, produce tunable green pump laser through waveguide type superlattice frequency multiplication of warbling, then produce tunable wave length red laser by waveguide type optical parametric oscillator.I.e. tuning DBR seed light wavelength between 500nm-530nm, produces 600nm-700nm tunable wave length red laser.The present invention does not comprise mechanical moving element, and wavelength tuning is by automatically controlled modulation, and volume is little, and reliability is high, and tuned speed is fast, overcomes the shortcoming of traditional Wavelength tunable laser.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (8)
1. the red laser of a tunable wave length, it is characterized in that: be made up of the DBR laser set gradually on the same axis, Yb-doped double-clad fiber lasers, waveguide frequency multiplier and optical parametric oscillator, be provided with isolator between wherein said DBR laser and Yb-doped double-clad fiber lasers, described DBR laser, isolator, Yb-doped double-clad fiber lasers, waveguide frequency multiplier are connected by fibre-optic catheter with between optical parametric oscillator.
2. the red laser of tunable wave length as claimed in claim 1, it is characterized in that: described waveguide frequency multiplier is the chirped periodic superlattice of waveguiding structure, described chirped periodic superlattice are made up of rectangular base and the superlattice be arranged on above rectangular base, and described rectangular base is by low-refraction SO
2bonding lithium niobate material is formed.
3. the red laser of tunable wave length as claimed in claim 1, it is characterized in that: described optical parametric oscillator is waveguiding structure superlattice, the two ends of waveguiding structure superlattice are coated with anti-reflection film, described waveguiding structure superlattice are at pump light incidence end plating high-reflecting film, and described waveguiding structure superlattice plate 60% reflectance coating at pump light exit end.
4. the red laser of the tunable wave length as described in claim 2 and 3, is characterized in that: described chirped periodic superlattice and waveguiding structure superlattice are by LiNbO
3, LiTaO
3or KTP material is formed.
5. a wavelength tuning method, is characterized in that, the method comprises the following steps:
A, employing DBR laser produce the seed light of tunable wave length, by described seed light by coupling fiber, and after isolator isolation feedback light, are injected in Yb-doped double-clad fiber lasers;
B, described Yb-doped double-clad fiber lasers carry out tune Q to injection light source and produce pulse laser, and export described pulse laser to waveguide frequency multiplier;
C, Output of laser enter in waveguide type chirped periodic superlattice and carry out frequency multiplication, produce the 500nm-530nm tunable wave length green glow of average power 20W, and enter optical parametric oscillator by Lens Coupling;
Waveguiding structure superlattice in d, optical parametric oscillator carry out frequency inverted, export the red tunable laser of 600nm-700nm.
6. wavelength tuning method as claimed in claim 5, it is characterized in that, described seed light is 1000nm-1060nm tunable wave length small-power infrared laser.
7. wavelength tuning method as claimed in claim 5, it is characterized in that, the repetition rate of described pulse laser is 50KHz, and pulse length is 100ns, and power output is 50W, and polarization direction is in vertical curve polarization.
8. wavelength tuning method as claimed in claim 5, it is characterized in that, described steps d specifically comprises:
Described optical parametric oscillator, according to the seed light wavelength after tuning, judges the wavelength producing red tunable laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956887.6A CN105449520A (en) | 2015-12-18 | 2015-12-18 | Wavelength-tunable red laser and wavelength tuning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956887.6A CN105449520A (en) | 2015-12-18 | 2015-12-18 | Wavelength-tunable red laser and wavelength tuning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449520A true CN105449520A (en) | 2016-03-30 |
Family
ID=55559444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956887.6A Pending CN105449520A (en) | 2015-12-18 | 2015-12-18 | Wavelength-tunable red laser and wavelength tuning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449520A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711728A (en) * | 2018-05-04 | 2018-10-26 | 中国科学院福建物质结构研究所 | Without hysteroscope optical parametric oscillator and preparation method thereof, mid and far infrared laser |
| CN112640231A (en) * | 2018-09-20 | 2021-04-09 | 烟台龙驰光电技术有限公司 | Near-infrared laser and laser generation method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606453A (en) * | 1993-04-20 | 1997-02-25 | Light Age, Inc. | Optical parametric amplifiers and oscillators pumped by tunable laser sources |
| US6301273B1 (en) * | 1996-05-17 | 2001-10-09 | Sdl, Inc. | Power enhanced frequency conversion system |
| US20020176472A1 (en) * | 2001-05-22 | 2002-11-28 | Arbore Mark A. | Tunable light source employing optical parametric oscillation near degeneracy |
| US20070035810A1 (en) * | 2005-07-08 | 2007-02-15 | Henderson Angus J | Apparatus and method for pumping and operating optical parametric oscillators using DFB fiber lasers |
| US20100060976A1 (en) * | 2006-05-15 | 2010-03-11 | Institut De Ciencies Fotoniques. Fundacio Privada | Optical parametric oscillator |
| US20110180729A1 (en) * | 2010-01-22 | 2011-07-28 | Newport Corporation | Broadly tunable optical parametric oscillator |
| US20120200912A1 (en) * | 2011-02-08 | 2012-08-09 | Coherent, Inc. | Optical parametric oscillator pumped by femtosecond thin-disk laser |
| CN104283103A (en) * | 2014-09-23 | 2015-01-14 | 中国科学院苏州生物医学工程技术研究所 | Optical parametric oscillator capable of outputting wide-waveband and tunable continuous waves with wave length of 530-780 nm |
-
2015
- 2015-12-18 CN CN201510956887.6A patent/CN105449520A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5606453A (en) * | 1993-04-20 | 1997-02-25 | Light Age, Inc. | Optical parametric amplifiers and oscillators pumped by tunable laser sources |
| US6301273B1 (en) * | 1996-05-17 | 2001-10-09 | Sdl, Inc. | Power enhanced frequency conversion system |
| US20020176472A1 (en) * | 2001-05-22 | 2002-11-28 | Arbore Mark A. | Tunable light source employing optical parametric oscillation near degeneracy |
| US20070035810A1 (en) * | 2005-07-08 | 2007-02-15 | Henderson Angus J | Apparatus and method for pumping and operating optical parametric oscillators using DFB fiber lasers |
| US20100060976A1 (en) * | 2006-05-15 | 2010-03-11 | Institut De Ciencies Fotoniques. Fundacio Privada | Optical parametric oscillator |
| US20110180729A1 (en) * | 2010-01-22 | 2011-07-28 | Newport Corporation | Broadly tunable optical parametric oscillator |
| US20120200912A1 (en) * | 2011-02-08 | 2012-08-09 | Coherent, Inc. | Optical parametric oscillator pumped by femtosecond thin-disk laser |
| CN104283103A (en) * | 2014-09-23 | 2015-01-14 | 中国科学院苏州生物医学工程技术研究所 | Optical parametric oscillator capable of outputting wide-waveband and tunable continuous waves with wave length of 530-780 nm |
Non-Patent Citations (1)
| Title |
|---|
| LU MING等: "Multiple qusi-phase matching in engineered domain-inverted optical superlattice", 《JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711728A (en) * | 2018-05-04 | 2018-10-26 | 中国科学院福建物质结构研究所 | Without hysteroscope optical parametric oscillator and preparation method thereof, mid and far infrared laser |
| CN112640231A (en) * | 2018-09-20 | 2021-04-09 | 烟台龙驰光电技术有限公司 | Near-infrared laser and laser generation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5232782B2 (en) | Method of controlling light source having precisely controlled wavelength conversion average output, and wavelength conversion system | |
| CN102244354B (en) | Infrared laser in ultra quantum conversion limit based on optic superlattice and construction method thereof | |
| CN101741000B (en) | Yellow light laser using cascading superlattice as frequency changer crystal | |
| CN104953461A (en) | Solid laser based on twisted mode cavity and volume grating | |
| CN105140760A (en) | Medical 6-micrometer waveband optical parameter laser | |
| CN107046222A (en) | A kind of inner chamber optical parametric oscillator for realizing close twin wavelength laser output | |
| CN101938086B (en) | Method for constructing cascade superlattice mode-locked laser | |
| CN110556699B (en) | High-energy high-light beam quality tunable optical parametric oscillator pumped by nanosecond laser | |
| CN105449520A (en) | Wavelength-tunable red laser and wavelength tuning method | |
| CN103337785A (en) | Method and device for producing multi-wavelength Raman lasers by adopting Raman frequency conversion | |
| CN102332676A (en) | Mid-infrared fiber laser | |
| CN104393474A (en) | Narrow-pulse-width laser device | |
| Chiang et al. | Pulsed optical parametric generation, amplification, and oscillation in monolithic periodically poled lithium niobate crystals | |
| Sun et al. | High-power high-repetition-rate tunable yellow light generation by an intracavity-frequency-doubled singly resonant optical parametric oscillator | |
| Wang et al. | Wide-tunable mid infrared intra-cavity optical parametric oscillator based on multi-period MgO: PPLN | |
| CN108512033A (en) | laser and harmonic method | |
| CN202737315U (en) | High-energy laser frequency-doubling Q-switching device | |
| KR101207728B1 (en) | The laser resonator for long pulse at ternary wavelengths | |
| Chang et al. | The single‐wavelength 561 nm laser based on reflective volume Bragg grating | |
| Creeden et al. | Pulsed Tm-doped fiber lasers for mid-IR frequency conversion | |
| CN204290024U (en) | Infrared ring light parametric oscillator in a kind of compact three chamber mirrors | |
| CN103236638B (en) | A kind of 2 μm of lasers forming half Intracavity OPO based on body grating | |
| CN208368939U (en) | A kind of high power single longitudinal mode mixes holmium solid state laser | |
| CN102332677A (en) | Green fiber laser | |
| CN207183790U (en) | A kind of and intracavity frequency doubling laser of frequency |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160330 |
|
| RJ01 | Rejection of invention patent application after publication |