CN105390929A - All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm - Google Patents
All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm Download PDFInfo
- Publication number
- CN105390929A CN105390929A CN201510971550.2A CN201510971550A CN105390929A CN 105390929 A CN105390929 A CN 105390929A CN 201510971550 A CN201510971550 A CN 201510971550A CN 105390929 A CN105390929 A CN 105390929A
- Authority
- CN
- China
- Prior art keywords
- mirror
- frequency
- laser
- wave plate
- frequency output
- 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
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/108—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using non-linear optical devices, e.g. exhibiting Brillouin or Raman scattering
- H01S3/109—Frequency multiplication, e.g. harmonic generation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lasers (AREA)
Abstract
The invention discloses an all-solid-state laser capable of obtaining single-frequency output at a wavelength of 558nm. The all-solid-state laser comprises a pumping source system and a Z type resonator device, wherein the pumping source system comprises a laser diode LD, an optical fiber and a focusing coupling lens system which are arranged on an optical path in sequence; the Z type resonator device comprises a rear mirror, a concave folding mirror, a yellow light output mirror and a total reflective mirror which are arranged in a Z type cavity in sequence; wave plates and a laser gain medium are arranged between the rear mirror and the concave folding mirror; a birefringent filter is arranged between the concave folding mirror and the yellow light output mirror; and a frequency doubling crystal is arranged between the yellow light output mirror and the total reflective mirror. According to the all-solid-state laser, the high power density of fundamental light in the cavity is fully utilized and the frequency doubling efficiency is improved by adopting the Z type cavity, so that the yellow light laser output at single longitudinal mode, low noise, high power and high energy is realized, and the defects of the laser in the prior art are successfully solved.
Description
Technical field
The invention belongs in laser technology field, a kind of total solids single-frequency Yellow light laser being obtained the output of 558nm wavelength by intracavity frequency doubling method related to.
Background technology
Existing laser has the features such as monochromaticjty, collimation and high brightness, and have a wide range of applications field.Especially, the laser of yellow band has important application at medical field, and in diagnosis, yellow laser is the ideal chose of inner total reflection fluoroscopic imaging systems or flow cytometer or the burnt microscan system of copolymerization; In medical, yellow laser effectively can be treated tinea erythema mole or the disease such as capillary or fundus flavimaculatus pathology.
Conventional yellow laser has Kr ion laser (568nm), dye laser (577nm), the lasers such as copper vapor laser (578nm), but these lasers all exist intrinsic shortcoming.Kr ion laser and copper vapor laser all belong to gas laser, and its volume is all very large, and power consumption is also very large; Dye laser is liquid laser, and the toxicity of its dyestuff is harmful, is not enough to meet instrument instructions for use.Along with the progress of semiconductor laser and commercialization ripe gradually, optical pumping semiconductor laser and semiconductor pumped Solid State Laser its obtain and develop rapidly, there is good beam quality, the advantages such as volume little and life-span is long.But the yellow laser wavelength of optical pumping semiconductor compares limitation at present, and semiconductor pumped solid state laser then makes yellow medium wave broader in conjunction with nonlinear frequency transformation technology.
At present, the report about the yellow laser of semiconductor pumped solid has been had both at home and abroad.They mainly take following four kinds of modes: one is obtain (Intracavitysum-frequencydiodeside-pumpedall-solid-stateg enerationyellowlaserat589nmwithanoutputpowerof20.5W based on the vibration of double-basis spectrum line by non-linear and frequency, " AppliedOptics ", Vol.52,2013,1876-1880), this method has complex structure, and volume is large, the shortcomings such as efficiency is low, and noise is large.Two is obtain stokes light about 1.1 ~ 1.2 mu m wavebands based on stimulated Raman scattering, (Self-frequency-doubledBaTeMo2O9Ramanlaseremittingat589nm is obtained again by frequency doubling technology, " OpticsExpress ", Vol.21,2013,7821-7827); Three be based on the stokes light of stimulated Raman scattering and fundamental frequency light by and frequently converter technique obtain (HighpowerQ-switchedintracavitysum-frequencygenerationand self-Ramanlaserat559nm, " Optics & LaserTechnology ", 2013, Vol.47,2013,43-46), but Raman laser threshold value is high, and light optical efficiency is low.Four is directly obtain (Afrequency-doubledNd:YAG/KTPlaserat561nmwithdiodeside-pu mping based on the fundamental frequency spectral line of 1.1 ~ 1.2 mu m wavebands by frequency doubling technology, " LaserPhys ", Vol.23,2013,5402-5405), this method structure is simple, but single pulse energy and average power lower, single-frequency can not be obtained and export.The yellow wavelengths of 558nm more connects closely human eye sensitivity's wavelength 555, and is more suitable for retina than other wavelength and solidifies operation, the operation for the treatment of ophthalmology macular degeneration.But the wavelength of 558nm very seldom arrives, the technology that the invention provides a kind of intracavity frequency doubling obtains 558nm wavelength laser.
Summary of the invention
Goal of the invention: in order to the single-frequency obtaining 558nm wavelength exports, the invention provides a kind of structure simple, volume is little, and efficiency is high, the yellow laser of total solids of low noise, this laser can obtain 558nm single-frequency laser and export.
Technical scheme: all solid laser that a kind of 558nm wavelength single-frequency provided by the invention exports, comprising:
One pumping source system, described pumping source system is included in laser diode LD, optical fiber and focusing coupled lens system that light path is settled successively;
One Z-type resonator device, described Z-type resonator device is included in tail mirror, concave surface refrative mirror, gold-tinted outgoing mirror and the total reflective mirror settled successively in Z-type chamber, wave plate and gain medium is placed with between described tail mirror and concave surface fold, be placed with birefringent filter between described concave surface refrative mirror and gold-tinted outgoing mirror, between described gold-tinted outgoing mirror and total reflective mirror, be placed with frequency-doubling crystal.
Described wave plate comprises and is placed on the first plectrum before and after gain medium and the second plectrum successively, and described first plectrum and the second plectrum are quarter-wave plate.
Described tail mirror, the first wave plate, gain medium, the second wave plate, birefringent filter, concave surface refrative mirror composition Z-type chamber first arm; Described concave surface refrative mirror, gold-tinted outgoing mirror composition Z-type chamber second arm; Described gold-tinted outgoing mirror, frequency-doubling crystal, total reflective mirror composition Z-type chamber the 3rd arm.
The length of described Z-type chamber first arm is 135 ~ 145mm, and the length of Z-type chamber second arm is 123 ~ 133mm, and the length of Z-type chamber the 3rd arm is 91 ~ 101mm.
Described first wave plate and the second wave plate is all two-sided is coated with anti-reflection film, its fast axle is mutually vertical, and all with a folk prescription of birefringent filter to 30 ° of-60 ° of angles.
Described gain medium adopts single-ended composite growth type Nd:YAG crystal or both-end composite growth type Nd:YAG crystal.
Described gain medium and frequency-doubling crystal all carry out temperature by refrigerating plant and control.
Described refrigerating plant is circulating water refrigerating plant, and be positioned over gain medium and frequency-doubling crystal by having in the radiator of cooling circulating water, heat is conducted in recirculated water by radiator, then is carried away by heat by recirculated water.
Described tail mirror is level crossing, and its surface is coated with anti-reflection film.
Described birefringent filter adopts quartz glass, and with Brewster's angle 56 ° placement, its surface is coated with anti-reflection film.
Described frequency-doubling crystal adopts three lithium borates or potassium titanium oxide phosphate.
Operation principle: all solid laser workflow that 558nm wavelength single-frequency of the present invention exports is as follows: the pump light that laser diode LD sends is through Optical Fiber Transmission, and focus on by focusing on the shaping of coupled lens system, enter into gain medium, gain medium passes through stimulated emission, producing centre wavelength is the photon of 1116nm, the photon produced is amplified by the feedback of described gain medium and Z-type resonator device, produce the 1116nm fundamental frequency light standing wave of high power density, eliminate the effects of spatial of fundamental frequency light standing wave in chamber by quarter-wave plate and birefringent filter simultaneously, obtain single-frequency operation, then single-frequency fundamental frequency photon is by the round trip frequency multiplication of frequency-doubling crystal, form 558nm gold-tinted laser and exported by described gold-tinted outgoing mirror.
Beneficial effect: present invention employs both-end composite growth type Nd:YAG crystal as gain media, and devise the Z-type meeting the insensitive basic mode dynamic stability of thermal lensing effect and rock chamber, have employed the mode of round trip frequency multiplication in chamber, obtain 558nm wavelength gold-tinted laser single-frequency and export.The present invention takes full advantage of the high power density of fundamental frequency light in chamber, and adopts Z-type chamber to improve shg efficiency, achieves single longitudinal mode, low noise, high power and high-octane gold-tinted Laser output, successfully solves the shortcoming of laser in prior art.Compared with prior art, the length of each arm in the Z-type chamber that the total solids single frequency laser that 558nm wavelength of the present invention exports adopts and the radius of curvature of each chamber mirror can be optimized according to different designs to be chosen, the patterns of change that can be implemented on the one hand in gain medium interior very on a large scale and frequency-doubling crystal is very little, thus greatly reduces the impact of thermal lensing effect for laser activity; Fundamental frequency light hot spot less in frequency-doubling crystal can be realized on the other hand, thus realize higher shg efficiency.The total solids single frequency laser that 558nm wavelength of the present invention exports has higher output power/energy, and volume is little, good stability, cost are low, noise is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1-laser diode LD, 2-optical fiber, 3-focus on coupled lens system, 4-tail mirror, the 5-the first wave plate, 6-gain medium, 7-the second wave plate, 8-birefringent filter, 9-concave surface refrative mirror, 10-gold-tinted outgoing mirror, 11-frequency-doubling crystal, 12-total reflective mirror, 13-refrigerating plant, 14-pumping source system, 15-Z-type chamber first arm, 16-Z-type chamber second arm, 17-Z-type chamber the 3rd arm.
Embodiment
Embodiment 1:
As shown in Figure 1, a kind of all solid laser obtaining 558nm wavelength single-frequency and export, it comprises a pumping source system 14, described pumping source system 14 is mainly included in laser diode LD 1, optical fiber 2 and a focusing coupled lens system 3 that a light path is settled successively, the mode of operation of described pumping source system 14 is continuous operation mode, maximum continuous pump power is 50W, and output center wavelength is 808nm.
The present invention also comprises a Z-shaped resonator device, and described Z-shaped resonator device is included in Z-shaped chamber first arm 15, Z-type chamber second arm 16, Z-type chamber the 3rd arm 17.Tail mirror 4, first wave plate 5 settled successively in described Z-shaped chamber first arm 15, gain medium 6, the second wave plate 7, birefringent filter 8, concave surface refrative mirror 9.Concave surface refrative mirror 9 is settled successively, gold-tinted outgoing mirror 10 in described Z-shaped chamber second arm 16.Gold-tinted outgoing mirror 10 is settled successively, frequency-doubling crystal 11, total reflective mirror 12 in described Z-type chamber the 3rd arm 17.
Further, gain medium 6 and frequency-doubling crystal 11 carry out bottom surface heat radiation by refrigerating plant 13.Refrigerating plant 13 is circulating water refrigerating plants, and the side of gain medium 6 and frequency-doubling crystal 11 is wrapped in red copper radiator respectively, and bottom installation is heat sink to be connected with cooled plate, is carried away by heat by circulating chilled water.
Preferably, gain medium 6 is both-end composite growth type Nd:YAG crystal, and doping content is 1.0at.%, is of a size of 3 × 3 × 10mm
3the undoped YAG crystal that each 2mm in rear and front end is long, mixing section length is 6mm, it is 808nm that front/rear end is all coated with wavelength, 1064nm, the anti-reflection film of the light beam of 1116nm and 1319nm, the transmissivity transmissivity of 808nm and 1116nm light beam being greater than to 99.8%, 808nm and 1319nm light beam is greater than 98%.
Preferably, first wave plate 5 and the second wave plate 7 two-sided is all coated with anti-reflection film 808nm being greater than to 95%, and the reflectivity of this film to 1116nm spectral line is greater than 99.8%, 70% is greater than to 1064nm spectral line transmissivity, its fast axle is mutually vertical, and with birefringent filter 8 play folk prescription to angle at 45 °.
Preferably, frequency-doubling crystal 11 selects three lithium borates (LBO), is of a size of 3 × 3 × 10mm
3, crystal two ends are coated with the anti-reflection film of 1116nm and 558nm, and transmissivity is greater than 99.8%; Matching way adopts a class matching tolerance, and cutting angle (θ, φ) is (90 °, 8 °).
Preferably, birefringent filter 8 selects quartz glass, and be positioned in chamber with Brewster's angle (56 °), surface is coated with the anti-reflection film to 1116nm fundamental frequency light, and transmissivity is greater than 99.8%.
Preferably, tail mirror 4 is level crossing, and input face is coated with and is greater than 95% to 808nm transmissivity, 1064nm spectral line transmissivity is greater than to the film system of 70%; Output face is also coated with anti-reflection film pump light being greater than to 95%, and the reflectivity of this film to 1116nm spectral line is greater than 99.8%, is greater than 70% to 1064nm spectral line transmissivity.
The length of each arm in of the present invention adopted Z-type chamber and the radius of curvature of each chamber mirror can be optimized according to different designs to be chosen.
Preferably, the radius of curvature of concave surface refrative mirror 9 is 100mm, is coated with the reflectance coating being greater than 99.8% to 1116nm spectral line reflectivity, and is greater than 70% to 1064nm spectral line and 1320nm spectral line transmissivity.
Preferably, the radius of curvature of gold-tinted outgoing mirror 10 is 50mm, is coated with the anti-reflection film being greater than 95% to 558nm spectral line transmissivity, and is greater than 99.8% to 1116nm spectral line reflectivity, is greater than 50% to the transmissivity of 1064nm spectral line.
Preferably, the radius of curvature of total reflective mirror 12 is 50mm, is coated with the reflectance coating being greater than 99.8% to 1116nm spectral line and 558nm spectral line reflectivity, and is greater than 50% to the transmissivity of 1064nm spectral line.
Preferably, the length of Z-type chamber first arm 15 is l40mm, the length of Z-type chamber second arm 16 is 128mm, and the length of Z-type chamber the 3rd arm 17 is 96mm, altogether long 364mm.
Preferably, the core diameter of optical fiber 2 200 μm, numerical aperture 0.22.
Embodiment 2:
Substantially identical with embodiment 1, difference is as follows:
(1) gain medium is single-ended composite growth type Nd:YAG crystal, is of a size of 3 × 3 × 9mm
3wherein front end is the undoped YAG crystal of 4mm length, doped region length is 5mm, concentration is 1.lat.%, front/rear end is all coated with to wavelength the anti-reflection film of the light beam being 808nm, 1064nm, 1116nm and 1319nm, wherein 98% is greater than to the transmissivity that the transmissivity of the light beam of 1116nm and 1064nm is greater than 99.8%, 808nm and 1319nm light beam.
(2) frequency-doubling crystal 11 selects potassium titanium oxide phosphate (KTP), is of a size of 3 × 3 × 8mm
3, crystal two ends are coated with the anti-reflection film of 1116nm and 558nm, and transmissivity is greater than 99.8%; Matching way adopts two class matching tolerance, and cutting angle cutting angle (θ, φ) is (62.8 °, 90 °).
Claims (11)
1. an all solid laser for 558nm wavelength single-frequency output, is characterized in that, comprising:
One pumping source system (14), described pumping source system (14) be included in light path is settled successively laser diode LD (1), optical fiber (2) and focus on coupled lens system (3);
One Z-type resonator device, described Z-type resonator device is included in tail mirror (4), concave surface refrative mirror (9), gold-tinted outgoing mirror (10) and the total reflective mirror (12) settled successively in Z-type chamber, wave plate and gain medium (6) is placed with between described tail mirror (4) and concave surface refrative mirror (9), be placed with birefringent filter (8) between described concave surface refrative mirror (9) and gold-tinted outgoing mirror (10), between described gold-tinted outgoing mirror (10) and total reflective mirror (12), be placed with frequency-doubling crystal (11).
2. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described wave plate comprises the first wave plate (5) and the second wave plate (7) that are placed on gain medium (6) front and back successively, and described first wave plate (5) and the second wave plate (7) are quarter-wave plate.
3. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described tail mirror (4), the first wave plate (5), gain medium (6), the second wave plate (7), birefringent filter (8), concave surface refrative mirror (9) composition Z-type chamber first arm (15); Described concave surface refrative mirror (9), gold-tinted outgoing mirror (10) composition Z-type chamber second arm (16); Described gold-tinted outgoing mirror (10), frequency-doubling crystal (11), total reflective mirror (12) composition Z-type chamber the 3rd arm (17).
4. all solid laser of 558nm wavelength single-frequency output according to claim 3, it is characterized in that, the length of described Z-type chamber first arm (15) is 135 ~ 145mm, the length in Z-type chamber second arm (16) is 123 ~ 133mm, and the length in Z-type chamber the 3rd arm (17) is 91 ~ 101mm.
5. all solid laser of 558nm wavelength single-frequency output according to claim 2, it is characterized in that, described first wave plate (5) and the second wave plate (7) is all two-sided is coated with anti-reflection film, its fast axle is mutually vertical, and all with a folk prescription of birefringent filter (8) to 30 ° of-60 ° of angles.
6. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described gain medium (6) adopts single-ended composite growth type Nd:YAG crystal or both-end composite growth type Nd:YAG crystal.
7. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described gain medium (6) and frequency-doubling crystal (11) all carry out temperature control by refrigerating plant (13).
8. all solid laser of 558nm wavelength single-frequency output according to claim 7, it is characterized in that, described refrigerating plant (13) is circulating water refrigerating plant, gain medium (6) and frequency-doubling crystal (11) are positioned over by having in the radiator of cooling circulating water, heat is conducted in recirculated water by radiator, then is carried away by heat by recirculated water.
9. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described tail mirror (4) is level crossing, and its surface is coated with anti-reflection film.
10. all solid laser of 558nm wavelength single-frequency output according to claim 1, it is characterized in that, described birefringent filter (8) adopts quartz glass, and with Brewster's angle 56 ° placement, its surface is coated with anti-reflection film.
The all solid laser that 11. 558nm wavelength single-frequency according to claim 1 export, it is characterized in that, described frequency-doubling crystal (11) adopts three lithium borates or potassium titanium oxide phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971550.2A CN105390929A (en) | 2015-12-22 | 2015-12-22 | All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510971550.2A CN105390929A (en) | 2015-12-22 | 2015-12-22 | All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105390929A true CN105390929A (en) | 2016-03-09 |
Family
ID=55422905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510971550.2A Pending CN105390929A (en) | 2015-12-22 | 2015-12-22 | All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105390929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366506A (en) * | 2020-11-26 | 2021-02-12 | 山西大学 | Miniaturized low-noise all-solid-state single-frequency continuous wave laser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002021646A1 (en) * | 2000-09-05 | 2002-03-14 | Lumenis Inc. | Frequency doubled nd: yag laser with yellow light output |
| US20080259969A1 (en) * | 2004-09-23 | 2008-10-23 | James Austin Piper | Slectable Multiwavelength Laser for Outputting Visible Light |
| CN101814692A (en) * | 2010-04-19 | 2010-08-25 | 苏州生物医学工程技术研究所 | Medicinal all-solid-state yellow laser |
| CN103944053A (en) * | 2014-05-09 | 2014-07-23 | 长春理工大学 | Full-solid-state single-spectral-line narrow linewidth yellow light laser |
| CN205303940U (en) * | 2015-12-22 | 2016-06-08 | 南京先进激光技术研究院 | Full solid laser of 558nm wavelength single -frequency output |
-
2015
- 2015-12-22 CN CN201510971550.2A patent/CN105390929A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002021646A1 (en) * | 2000-09-05 | 2002-03-14 | Lumenis Inc. | Frequency doubled nd: yag laser with yellow light output |
| US20080259969A1 (en) * | 2004-09-23 | 2008-10-23 | James Austin Piper | Slectable Multiwavelength Laser for Outputting Visible Light |
| CN101814692A (en) * | 2010-04-19 | 2010-08-25 | 苏州生物医学工程技术研究所 | Medicinal all-solid-state yellow laser |
| CN103944053A (en) * | 2014-05-09 | 2014-07-23 | 长春理工大学 | Full-solid-state single-spectral-line narrow linewidth yellow light laser |
| CN205303940U (en) * | 2015-12-22 | 2016-06-08 | 南京先进激光技术研究院 | Full solid laser of 558nm wavelength single -frequency output |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366506A (en) * | 2020-11-26 | 2021-02-12 | 山西大学 | Miniaturized low-noise all-solid-state single-frequency continuous wave laser |
| CN112366506B (en) * | 2020-11-26 | 2021-08-20 | 山西大学 | Miniaturized low-noise all-solid-state single-frequency continuous wave laser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103618205B (en) | A kind of full-solid-state single longitudinal mode yellow light laser | |
| CN101814692A (en) | Medicinal all-solid-state yellow laser | |
| CN101820132A (en) | All solid-state medical double resonance intracavity sum frequency yellow light laser | |
| CN102637995A (en) | Dual-wavelength or multi-wavelength laser with adjustable power proportion | |
| CN101807774B (en) | Self-stimulated Raman scattering laser of In-Band pump | |
| CN107845948A (en) | A kind of disc laser of resonance intracavity pump | |
| CN110895239B (en) | Device and method for measuring excited state absorption heat load in laser gain crystal | |
| CN205303940U (en) | Full solid laser of 558nm wavelength single -frequency output | |
| Zhang et al. | Laser properties of different Nd-doped concentration Nd: YVO4 laser crystals | |
| CN204103239U (en) | A kind of all solid state single frequency tunable red laser | |
| CN105470795A (en) | All-solid-state yellow laser for medicine | |
| CN110865053B (en) | Device and method for measuring energy transmission up-conversion heat transfer load in laser gain crystal | |
| CN105390929A (en) | All-solid-state laser capable of obtaining single-frequency output at wavelength of 558nm | |
| Du et al. | High-power Nd: GdVO4 laser at 1.34 μm end-pumped by laser-diode-array | |
| CN103944053A (en) | Full-solid-state single-spectral-line narrow linewidth yellow light laser | |
| CN201682170U (en) | Medical all-solid yellow laser | |
| CN203911223U (en) | All-solid-state single spectral line narrow-linewidth yellow laser | |
| CN104184042A (en) | Combined 1.9 mu m wavelength converter of hollow-core photonic crystal fiber and seal cavity | |
| Wang et al. | Investigation of LD end-pumped Nd: YVO4 crystals with various doping levels and lengths | |
| CN203415812U (en) | Medical three-wavelength green-yellow laser | |
| CN206533026U (en) | A kind of microminiature 532nm solid state lasers based on intracavity frequency doubling technology | |
| CN102185237B (en) | High-power and 1,319 nm single-wavelength continuous laser device | |
| CN114865437A (en) | 2-micron and 3-micron dual-wavelength solid intermediate infrared laser | |
| CN210379757U (en) | Tunable purple light pulse laser | |
| CN102593700A (en) | Three-wavelength laser device without gain competition |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160309 |