CN105552697A - Sum frequency laser and laser therapeutic instrument - Google Patents
Sum frequency laser and laser therapeutic instrument Download PDFInfo
- Publication number
- CN105552697A CN105552697A CN201610079258.4A CN201610079258A CN105552697A CN 105552697 A CN105552697 A CN 105552697A CN 201610079258 A CN201610079258 A CN 201610079258A CN 105552697 A CN105552697 A CN 105552697A
- Authority
- CN
- China
- Prior art keywords
- laser
- level crossing
- frequency
- cavity
- processor
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
- H01S3/092—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of flash lamp
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0616—Skin treatment other than tanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/067—Radiation therapy using light using laser light
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N2005/002—Cooling systems
Abstract
One embodiment of the invention discloses a sum frequency laser. The sum frequency laser comprises a cavity and a first plane-concave lens, a first acousto-optic Q switch and a first light condensation cavity which are arranged inside the cavity, wherein the light condensation cavity comprises a first yttrium aluminum garnet (YAG) rod, a first pulse xenon lamp, a second plane-concave lens, a second acousto-optic Q switch and a second light condensation cavity, the second light condensation cavity comprises a second YAG rod, a second pulse xenon lamp, a first plane lens, a second plane leans, a sum frequency crystal and a third plane lens, the first plane-concave lens, the second plane lens and the third plane lens form a first laser resonant cavity, the second plane-concave lens, the first plane lens, the second plane lens and the third plane lens form a second laser resonant cavity, and first laser generated by the first light condensation cavity and second laser generated by the second light condensation cavity jointly pass through the sum frequency crystal to generate third laser. With the above sum frequency laser, laser with long pulse of 589 nanometers is generated through inter-cavity sum frequency and used for treating a skin disease such as a vascular disease.
Description
Technical field
The present invention relates to laser technology field, particularly relate to a kind of and frequency laser and laser therapeutic apparantus.
Background technology
Laser therapeutic apparantus at present for treating skin diseases such as vascular lesions is generally 585nm and the 595nm pulsed dye laser treatment instrument of wavelength at yellow band, and the present inventor finds that in real-time process of the present invention the dye well toxic solvent of 585nm and 595nm pulsed dye laser treatment instrument inflammable volatile, dyestuff useful life is short, cost is high, not easily changes.
Summary of the invention
The object of this invention is to provide a kind of utilize xenon flash lamp to excite Long Pulse LASER thus realize production burst 589nm laser with frequency laser and laser therapeutic apparantus.
According to one embodiment of present invention, provide one and frequency laser, comprising:
Cavity,
First plano-concave mirror (1) of inside cavity, the first acoustooptic Q-switching (2), the first laser pump cavity (3), first laser pump cavity (3) comprises a YAG rod (4), the first xenon flash lamp (5), the second plano-concave mirror (11), the second acoustooptic Q-switching (10) and the second laser pump cavity (12), and the second laser pump cavity (12) comprises the 2nd YAG rod (14) and the second xenon flash lamp (13), the first level crossing (6), the second level crossing (9) and crystal (8) and the 3rd level crossing (7) frequently;
Wherein, first plano-concave mirror (1), the second level crossing (9) and the 3rd level crossing (7) form the first laserresonator, and the second plano-concave mirror (11), the first level crossing (6), the second level crossing (9) and the 3rd level crossing (7) form the second laserresonator;
The first laser that first laser pump cavity (3) generates is transmitted through the first level crossing (6) through the first plano-concave mirror (1), reflexed to by the second level crossing (9) and frequency crystal (8) after the first level crossing (6), warp and frequently crystal (8) arrive the 3rd level crossing (7);
The second laser that second laser pump cavity (12) generates reflexes to the first level crossing (6) through the second plano-concave mirror (11), the second level crossing (9) is reflexed to by the first level crossing (6), reflexed to by the second level crossing (9) and frequency crystal (8), warp and frequently crystal (8) arrive the 3rd level crossing (7);
The first laser that first laser pump cavity (3) generates and the second laser that the second laser pump cavity (12) generates generate the 3rd laser respectively through the first laserresonator and the second laserresonator.
Alternatively, first laser pump cavity (3) is gold-plated elliptic cylinder, first xenon flash lamp (5) and a YAG rod (4) are arranged on two articles of focal lines of gold-plated elliptic cylinder side by side respectively, the pump light that first xenon flash lamp (5) sends focuses to a YAG rod (4) via gold-plated elliptic cylinder, and a YAG rod (4) is irradiated by pump light and excites generation first laser;
Second laser pump cavity (12) is gold-plated elliptic cylinder, second xenon flash lamp (13) and the 2nd YAG rod (14) are arranged on two articles of focal lines of gold-plated elliptic cylinder side by side respectively, the pump light that second xenon flash lamp (13) sends focuses to the 2nd YAG rod (14) via gold-plated elliptic cylinder, and the 2nd YAG rod (14) is irradiated by pump light and excites generation second laser.
Alternatively, the 3rd laser is long pulse 589nm laser.
Alternatively, the first laserresonator is 1064nm laserresonator;
The plated film of the first plano-concave mirror (1) is high anti-to 1064nm laser;
The plated film of the 3rd level crossing (7) is high anti-to 1064nm laser, 1319nm laser and 589nm laser, and thoroughly high to 1338nm laser;
The plated film of the second level crossing (9) to 1064nm laser and 1319nm laser high anti-, and to 1338nm laser and 589nm laser thoroughly high.
Alternatively, the second laserresonator is 1319nm laserresonator;
The plated film of the second plano-concave mirror (11) is high anti-to 1319nm laser, and to 1338nm laser and 1064nm laser thoroughly high;
The plated film of the first level crossing (6) is saturating to the P wave height of 1064nm laser, anti-to S wave height, and anti-to 1319nm laser P wave height, and S wave height is saturating.
Alternatively, a YAG rod (4) and the 2nd YAG rod (14) are respectively 1064nmYAG rod and 1319nmYAG rod.
Alternatively, the first acoustooptic Q-switching (2) and the second acoustooptic Q-switching (10) are respectively 1064nm acoustooptic Q-switching and 1319nm acoustooptic Q-switching.
According to one embodiment of present invention, provide a kind of laser therapeutic apparantus, this laser therapeutic apparantus comprises:
Cabinet,
Be arranged at the described above of cabinet inside and frequency laser;
Processor, is arranged in cabinet;
Lcd touch control flow, is arranged at cabinet surface, and the output of lcd touch control flow is connected with the input of processor;
Laser Power Devices, are arranged in cabinet, and the output of processor is connected with the input of Laser Power Devices, and the output of Laser Power Devices is connected with the input with frequency laser;
Driver, is arranged in cabinet, and the input of driver is connected with the output of processor, and the output of driver is connected with the input with frequency laser;
Fiber coupler, is arranged in cabinet, and the input of fiber coupler is connected with the output with frequency laser;
Lcd touch control flow receives external command, and external command is sent to processor; Processor receives external command, and sends the first control signal to Laser Power Devices and driver; Laser Power Devices are powered according to the first control signal and frequency laser; Driver drives and frequency laser according to the first control signal; The 3rd laser is generated with frequency laser, and by the 3rd laser transmission to fiber coupler; Fiber coupler by the 3rd laser refocusing, and is transmitted through the fiber to handle, to act on skin.
Alternatively, the 3rd laser is long pulse 589nm laser.
Alternatively, this laser therapeutic apparantus also comprises:
Water-cooled skin cooler is arranged in cabinet, and the input of water-cooled skin cooler is connected with processor, and the output of water-cooled skin cooler is connected with handle by skin cooling pipeline;
Wherein, processor also sends the second control signal to water-cooled skin cooler; Water-cooled skin cooler, according to the second control signal, provides cooling fluid by skin cooling pipeline for handle.
What one embodiment of the present of invention provided excites Long Pulse LASER with frequency laser and laser therapeutic apparantus by xenon flash lamp, generates long pulse 589nm laser, thus realize long pulse 589nm laser for treating skin diseases such as vascular lesions in chamber with frequency.
Accompanying drawing explanation
The schematic block diagram of a kind of and frequency laser that Fig. 1 provides for one embodiment of the invention;
The schematic block diagram of a kind of laser therapeutic apparantus that Fig. 2 provides for one embodiment of the invention;
The schematic block diagram of a kind of laser therapeutic apparantus that Fig. 3 provides for one embodiment of the invention.
Embodiment
Clearer for what make the technical scheme of the embodiment of the present invention and advantage express, below by drawings and Examples, technical scheme of the present invention is described in further detail.
The schematic block diagram of a kind of and frequency laser that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, should comprise with frequency laser 100, cavity 15, first plano-concave mirror 1, first acoustooptic Q-switching 2, first laser pump cavity 3 of cavity 15 inside, first laser pump cavity 3 comprises YAG rod 4, first xenon flash lamp 5, second plano-concave mirror 11, second acoustooptic Q-switching 10 and the second laser pump cavity 12, second laser pump cavity 12 and comprises the 2nd YAG rod 14 and the second xenon flash lamp 13, first level crossing 6, second level crossing 9 and crystal 8 and the 3rd level crossing 7 frequently.Wherein, the first plano-concave mirror 1, the 3rd level crossing 7 and the second level crossing 9 form the first laserresonator.Second plano-concave mirror 11, first level crossing 6, the 3rd level crossing 7 and the second level crossing 9 form the second laserresonator.
The first laser that first laser pump cavity 3 generates reflexes to the first level crossing 6 through the first plano-concave mirror 1, and reflexed to by the second level crossing 9 after the first level crossing 6 and frequency crystal 8, warp and frequently crystal 8 arrive the 3rd level crossing 7;
The second laser that second laser pump cavity 12 generates reflexes to the first level crossing 6 through the second plano-concave mirror 11, is reflexed to the second level crossing 9 by the first level crossing 6, and reflexed to by the second level crossing 9 and frequency crystal 8, warp and frequently crystal 8 arrive the 3rd level crossing 7.
The first laser that first laser pump cavity 3 generates and the second laser that the second laser pump cavity 12 generates generate the 3rd laser respectively through the first laserresonator and the second laserresonator.
Alternatively, first laser pump cavity 3 is gold-plated elliptic cylinder, first xenon flash lamp 5 and YAG rod 4 are arranged on two articles of focal lines of gold-plated elliptic cylinder side by side respectively, the pump light that first xenon flash lamp 5 sends focuses to YAG rod the 4, an one YAG rod 4 via gold-plated elliptic cylinder and is excited generation first laser by pump light irradiation.Second laser pump cavity 12 is gold-plated elliptic cylinder, second xenon flash lamp 13 and the 2nd YAG rod 14 are arranged on two articles of focal lines of gold-plated elliptic cylinder side by side respectively, the pump light that second xenon flash lamp 13 sends focuses to the 2nd YAG rod the 14, two YAG rod 14 via gold-plated elliptic cylinder and is excited generation second laser by pump light irradiation.
Alternatively, the 3rd laser is long pulse 589nm laser.
Alternatively, the first laserresonator is 1064nm laserresonator.The plated film of the first plano-concave mirror 1 is high anti-to 1064nm laser.The plated film of the 3rd level crossing 7 is high anti-to 1064nm laser, 1319nm laser and 589nm laser, and thoroughly high to 1338nm laser.The plated film of the second level crossing 9 to 1064nm laser and 1319nm laser high anti-, and to 1338nm laser and 589nm laser thoroughly high.
Alternatively, the second laserresonator is 1319nm laserresonator.The plated film of the second plano-concave mirror 11 is high anti-to 1319nm laser, and to 1338nm laser and 1064nm laser thoroughly high.The plated film of the first level crossing 6 is saturating to the P wave height of 1064nm laser, anti-to S wave height, and anti-to 1319nm laser P wave height, and S wave height is saturating.
Alternatively, a YAG rod 4 and the 2nd YAG rod 14 are respectively 1064nmYAG rod and 1319nmYAG rod.
Alternatively, the first acoustooptic Q-switching 2 and the second acoustooptic Q-switching 10 are respectively 1064nm acoustooptic Q-switching and 1319nm acoustooptic Q-switching.
Such as, peripheral driver drives 1064nm acoustooptic Q-switching 2, and outside Laser Power Devices excite the first xenon flash lamp 5, the pump light that first xenon flash lamp 5 is sent focuses to 1064nmYAG rod 4 via gold-plated elliptic cylinder, laser work Wu Zhi Nd ion in 1064nmYAG rod 4 is subject to pump light irradiation and excites, and the first laser pump cavity 3 sends long pulse 1064nm laser; Peripheral driver drives 1319nm acoustooptic Q-switching 10, and outside Laser Power Devices excite the second xenon flash lamp 13, the pump light that second xenon flash lamp 13 is sent focuses to 1319nmYAG rod 14 via gold-plated elliptic cylinder, laser work Wu Zhi Nd ion in 1319nmYAG rod 14 is subject to pump light irradiation and excites, and the second laser pump cavity 12 sends long pulse 1319nm laser; Long pulse 1064nm laser and long pulse 1319nm laser are respectively through the first resonant cavity, the second resonant cavity and and crystal 8 and frequently generation long pulse 589nm laser frequently.
Above-mentioned excites Long Pulse LASER with frequency laser 100 by xenon flash lamp, thus generates long pulse 589nm laser with frequency in chamber, may be used for the treating skin diseases such as vascular lesion to make long pulse 589nm laser.
The schematic block diagram of a kind of laser therapeutic apparantus that Fig. 2 provides for one embodiment of the invention, as shown in Figure 2, this laser therapeutic apparantus comprises: cabinet 120, is arranged at the described above of cabinet 120 inside and frequency laser 100.Processor 110, is arranged in cabinet 120.Lcd touch control flow 160, be arranged at cabinet 120 surface, the output of lcd touch control flow 160 is connected with the input of processor 110.Laser Power Devices 130, are arranged in cabinet 120, and the output of processor 110 is connected with the input of Laser Power Devices 130, and the output of Laser Power Devices 130 is connected with the input with frequency laser 100.Driver 140, is arranged in cabinet 120, and the input of driver 140 is connected with the output of processor 110, and the output of driver 140 is connected with the input with frequency laser 100.Fiber coupler 150, is arranged in cabinet 120, and the input of fiber coupler 150 is connected with the output with frequency laser 100.
Lcd touch control flow 160 receives external command, and external command is sent to processor 110.Processor 110 receives external command, and sends the first control signal to Laser Power Devices 130 and driver 140.Laser Power Devices 130 are powered according to the first control signal and frequency laser 100.Driver 140 drives and frequency laser 100 according to the first control signal.The 3rd laser is generated with frequency laser 100, and by the 3rd laser transmission to fiber coupler 150.Fiber coupler 150 by the 3rd laser refocusing, and is transmitted through the fiber to handle 170, to act on skin.
Alternatively, the 3rd laser is long pulse 589nm laser.
Such as, lcd touch control flow 160 receives external command, and external command is sent to processor 110, the 1064nm acoustooptic Q-switching 2 of the driving of processor 110 control and drive system 140 driver 140 and frequency laser 100, and control Laser Power Devices 130 and excite the first xenon flash lamp 5 with frequency laser 100, make to send long pulse 1064nm laser with the first laser pump cavity 3 of frequency laser 100.The 1319nm acoustooptic Q-switching 10 of control and drive system 140 driving and frequency laser 100 gone back by processor 110, and control Laser Power Devices 130 and excite the second xenon flash lamp 13 with frequency laser 100, make to send long pulse 1319nm laser with the second laser pump cavity 12 of frequency laser 100.Long pulse 1064nm laser and long pulse 1319nm laser with the inside cavity of frequency laser 100 respectively through with the first resonant cavity of frequency laser 100, the second resonant cavity and and frequently crystal 8 generate long pulse 589nm laser.Fiber coupler 150 receives long pulse 589nm laser, and by condenser lens by long pulse 589nm laser refocusing.Long pulse 589nm laser after refocusing is transmitted through the fiber to handle 170.Handle 170 receives long pulse 589nm laser to act on skin, and by being arranged at condenser lens and the precision optical machinery adjusting mechanism of handle 170 inside, can realize the adjustment for the treatment of spot size.
Above-mentioned laser therapeutic apparantus utilizes and frequency laser excites Long Pulse LASER by xenon flash lamp, thus generates long pulse 589nm laser with frequency in chamber, may be used for the treating skin diseases such as vascular lesion to make long pulse 589nm laser.
The schematic block diagram of a kind of laser therapeutic apparantus that Fig. 3 provides for one embodiment of the invention, as shown in Figure 3, this laser therapeutic apparantus is except the parts included by above-described embodiment, and this laser therapeutic apparantus also comprises:
Water-cooled skin cooler 180, is arranged in cabinet 120, and the input of water-cooled skin cooler 180 is connected with processor 110, and the output of water-cooled skin cooler 180 is connected with handle 170 by skin cooling pipeline.
Wherein, processor 110 also sends the second control signal to water-cooled skin cooler 180; Water-cooled skin cooler 180, according to the second control signal, provides cooling fluid by skin cooling pipeline for handle 170.
Such as, the instruction that processor 110 sends according to lcd touch control flow 160, sends the second control signal to water-cooled skin cooler 180.Water-cooled skin cooler 180, according to the second control signal, provides cooling fluid, to cool in real time skin by skin cooling pipeline for the fluid injector on handle 170.
Above-mentioned excites Long Pulse LASER with frequency laser by xenon flash lamp, thus generates long pulse 589nm laser with frequency in chamber, may be used for the treating skin diseases such as vascular lesion to make long pulse 589nm laser.
In addition, the computer program performed by CPU can also be implemented as according to method of the present disclosure.When this computer program is performed by CPU, perform the above-mentioned functions limited in method of the present disclosure.
In addition, said method step and system unit also can utilize controller and realize for storing the computer readable storage devices making controller realize the computer program of above-mentioned steps or Elementary Function.
In addition, it is to be understood that computer readable storage devices as herein described (such as, memory) can be volatile memory or nonvolatile memory, or volatile memory and nonvolatile memory can be comprised.Nonrestrictive as an example, nonvolatile memory can comprise read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory.Volatile memory can comprise random access memory (RAM), and this RAM can serve as external cache.Nonrestrictive as an example, RAM can obtain in a variety of forms, such as synchronous random access memory (DRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM (DDRSDRAM), enhancing SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and direct RambusRAM (DRRAM).The memory device of disclosed aspect is intended to the memory including but not limited to these and other suitable type.
Those skilled in the art will also understand is that, may be implemented as electronic hardware, computer software or both combinations in conjunction with various illustrative logical blocks, module, circuit and the algorithm steps described by disclosure herein.In order to this interchangeability of hardware and software is clearly described, the function with regard to various exemplary components, square, module, circuit and step has carried out general description to it.This function is implemented as software or is implemented as hardware and depends on embody rule and be applied to the design constraint of whole system.Those skilled in the art can realize described function in every way for often kind of embody rule, but this realization determines should not be interpreted as causing departing from the scope of the present disclosure.
The following parts being designed to perform function described here can be utilized to realize or perform in conjunction with various illustrative logical blocks, module and the circuit described by disclosure herein: any combination of general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC) (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete nextport hardware component NextPort or these parts.General processor can be microprocessor, but alternatively, processor can be any conventional processors, controller, microcontroller or state machine.Processor also may be implemented as the combination of computing equipment, and such as, the combination of DSP and microprocessor, multi-microprocessor, one or more microprocessor are in conjunction with DSP core or other this configuration any.
In the software module that step in conjunction with the method described by disclosure herein or algorithm can directly comprise within hardware, performed by processor or in the combination of both.Software module can reside in the storage medium of RAM memory, flash memory, ROM memory, eprom memory, eeprom memory, register, hard disk, removable dish, CD-ROM or other form any known in the art.Exemplary storage medium is coupled to processor, make processor can from this storage medium reading information or to this storage medium written information.In an alternative, described storage medium can be integral to the processor together.Processor and storage medium can reside in ASIC.ASIC can reside in customer mobile terminal.In an alternative, processor and storage medium can reside in customer mobile terminal as discrete assembly.
In one or more exemplary design, described function can realize in hardware, software, firmware or its combination in any.If realized in software, then described function can be transmitted on a computer-readable medium or by computer-readable medium as one or more instruction or code storage.Computer-readable medium comprises computer-readable storage medium and communication media, and this communication media comprises any medium contributing to computer program being sent to another position from a position.Storage medium can be can by any usable medium of universal or special computer access.Nonrestrictive as an example, this computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc memory apparatus, disk storage device or other magnetic storage apparatus, or may be used for carrying or file layout be instruction or data structure required program code and can by other medium any of universal or special computer or universal or special processor access.In addition, any connection suitably can be called computer-readable medium.Such as, if use coaxial cable, optical fiber cable, twisted-pair feeder, the wireless technology of digital subscriber line (DSL) or such as infrared ray, radio and microwave is come from website, server or other remote source send software, then the wireless technology of above-mentioned coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared first, radio and microwave includes the definition at medium.As used herein, disk and CD comprise compact disk (CD), laser disk, CD, digital versatile disc (DVD), floppy disk, Blu-ray disc, the wherein usual magnetically rendering data of disk, and cd-rom using laser optics ground rendering data.The combination of foregoing also should be included in the scope of computer-readable medium.
Claims (10)
1. and a frequency laser, comprising:
Cavity,
First plano-concave mirror (1) of inside cavity, the first acoustooptic Q-switching (2), the first laser pump cavity (3), described first laser pump cavity (3) comprises a YAG rod (4), the first xenon flash lamp (5), the second plano-concave mirror (11), the second acoustooptic Q-switching (10) and the second laser pump cavity (12), and described second laser pump cavity (12) comprises the 2nd YAG rod (14) and the second xenon flash lamp (13), the first level crossing (6), the second level crossing (9) and crystal (8) and the 3rd level crossing (7) frequently;
Wherein, described first plano-concave mirror (1), described second level crossing (9) and described 3rd level crossing (7) form the first laserresonator;
Described second plano-concave mirror (11), described first level crossing (6), described second level crossing (9) and described 3rd level crossing (7) form the second laserresonator;
The first laser that described first laser pump cavity (3) generates is transmitted through described first level crossing (6) through described first plano-concave mirror (1), after described first level crossing (6), reflexed to described and frequency crystal (8) by described second level crossing (9), arrive described 3rd level crossing (7) through described and frequency crystal (8);
The second laser that described second laser pump cavity (12) generates reflexes to described first level crossing (6) through described second plano-concave mirror (11), described second level crossing (9) is reflexed to by described first level crossing (6), reflexed to described and frequency crystal (8) by described second level crossing (9), arrive described 3rd level crossing (7) through described and frequency crystal (8);
The first laser that described first laser pump cavity (3) generates and the second laser that described second laser pump cavity (12) generates generate the 3rd laser respectively through described first laserresonator and described second laserresonator.
2. according to claim 1 and frequency laser, wherein,
Described first laser pump cavity (3) is gold-plated elliptic cylinder, described first xenon flash lamp (5) and a described YAG rod (4) are arranged on two articles of focal lines of described gold-plated elliptic cylinder side by side respectively, the pump light that described first xenon flash lamp (5) sends focuses to a described YAG rod (4) via described gold-plated elliptic cylinder, and a described YAG rod (4) is irradiated by described pump light and excites generation first laser;
Described second laser pump cavity (12) is gold-plated elliptic cylinder, described second xenon flash lamp (13) and described 2nd YAG rod (14) are arranged on two articles of focal lines of described gold-plated elliptic cylinder side by side respectively, the pump light that described second xenon flash lamp (13) sends focuses to described 2nd YAG rod (14) via described gold-plated elliptic cylinder, and described 2nd YAG rod (14) is irradiated by described pump light and excites generation second laser.
3. according to claim 2 and frequency laser, wherein, described 3rd laser is long pulse 589nm laser.
4. according to claim 3 and frequency laser, wherein, described first laserresonator is 1064nm laserresonator;
The plated film of described first plano-concave mirror (1) is high anti-to 1064nm laser;
The plated film of described 3rd level crossing (7) is high anti-to 1064nm laser, 1319nm laser and 589nm laser, and thoroughly high to 1338nm laser;
The plated film of described second level crossing (9) to 1064nm laser and 1319nm laser high anti-, and to 1338nm laser and 589nm laser thoroughly high.
5. according to claim 4 and frequency laser, wherein, described second laserresonator is 1319nm laserresonator;
The plated film of described second plano-concave mirror (11) is high anti-to 1319nm laser, and to 1338nm laser and 1064nm laser thoroughly high;
The plated film of described first level crossing (6) is saturating to the P wave height of 1064nm laser, anti-to S wave height, and anti-to 1319nm laser P wave height, and S wave height is saturating.
6. according to claim 3 and frequency laser, wherein, a described YAG rod (4) and described 2nd YAG rod (14) are respectively 1064nmYAG rod and 1319nmYAG rod.
7. according to claim 6 and frequency laser, wherein, described first acoustooptic Q-switching (2) and described second acoustooptic Q-switching (10) are respectively 1064nm acoustooptic Q-switching and 1319nm acoustooptic Q-switching.
8. a laser therapeutic apparantus, comprising:
Cabinet,
Be arranged at described cabinet inside as described in any one of claim 1-5 and frequency laser;
Processor, is arranged in described cabinet;
Lcd touch control flow, be arranged at described cabinet surface, the output of described lcd touch control flow is connected with the input of described processor;
Laser Power Devices, are arranged in described cabinet, and the output of described processor is connected with the input of described Laser Power Devices, and the output of described Laser Power Devices is connected with described and input that is frequency laser;
Driver, is arranged in described cabinet, and the input of described driver is connected with the output of described processor, and the output of described driver is connected with described and input that is frequency laser;
Fiber coupler, is arranged in described cabinet, and the input of described fiber coupler is connected with described and output that is frequency laser;
Handle, the input of described handle and the output of described optical coupler pass through Fiber connection;
Described lcd touch control flow receives external command, and external command is sent to described processor; Described processor receives described external command, and sends the first control signal to described Laser Power Devices and described driver; Described Laser Power Devices are powered with frequency laser according to described first control signal; Described driver drives described and frequency laser according to described first control signal; Described and frequency laser generates the 3rd laser, and by described 3rd laser transmission to described fiber coupler; Described fiber coupler by described 3rd laser refocusing, and by described Optical Fiber Transmission to described handle, to act on skin.
9. laser therapeutic apparantus according to claim 8, wherein, described 3rd laser is long pulse 589nm laser.
10. laser therapeutic apparantus according to claim 9, described laser therapeutic apparantus also comprises:
Water-cooled skin cooler, is arranged in described cabinet, and the input of described water-cooled skin cooler is connected with described processor, and the output of described water-cooled skin cooler is connected with described handle by skin cooling pipeline;
Wherein, described processor also sends the second control signal to described water-cooled skin cooler, and described water-cooled skin cooler, according to described second control signal, provides cooling fluid by skin cooling pipeline for described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079258.4A CN105552697A (en) | 2016-02-04 | 2016-02-04 | Sum frequency laser and laser therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610079258.4A CN105552697A (en) | 2016-02-04 | 2016-02-04 | Sum frequency laser and laser therapeutic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552697A true CN105552697A (en) | 2016-05-04 |
Family
ID=55831729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610079258.4A Pending CN105552697A (en) | 2016-02-04 | 2016-02-04 | Sum frequency laser and laser therapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598854A (en) * | 2018-05-31 | 2018-09-28 | 合肥大族科瑞达激光设备有限公司 | A kind of laser and photo-therapeutic instrument |
| CN109260604A (en) * | 2018-12-05 | 2019-01-25 | 深圳市吉斯迪科技有限公司 | A kind of portable electro-optical Q-switch laser skin therapeutic equipment |
| WO2020114468A1 (en) * | 2018-12-05 | 2020-06-11 | 苏州创鑫激光科技有限公司 | Solid laser device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345457A (en) * | 1993-02-02 | 1994-09-06 | Schwartz Electro-Optics, Inc. | Dual wavelength laser system with intracavity sum frequency mixing |
| CN101841121A (en) * | 2010-05-07 | 2010-09-22 | 华中科技大学 | Light focusing cavity of laser |
| CN102335040A (en) * | 2010-07-21 | 2012-02-01 | 武汉奇致激光技术有限公司 | Green laser therapy apparatus with high-peak power output and control method thereof |
| CN103143122A (en) * | 2013-04-03 | 2013-06-12 | 长光华雷(苏州)医疗科技有限公司 | Skin cooling device for laser therapy |
| CN103585718A (en) * | 2013-11-04 | 2014-02-19 | 中国科学院苏州生物医学工程技术研究所 | All-solid-state folding intra-cavity sum frequency yellow orange laser vascular disease therapeutic apparatus |
| CN104127236A (en) * | 2014-07-14 | 2014-11-05 | 中国科学院苏州生物医学工程技术研究所 | Non-contact spraying skin cooling device for laser therapy |
-
2016
- 2016-02-04 CN CN201610079258.4A patent/CN105552697A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5345457A (en) * | 1993-02-02 | 1994-09-06 | Schwartz Electro-Optics, Inc. | Dual wavelength laser system with intracavity sum frequency mixing |
| CN101841121A (en) * | 2010-05-07 | 2010-09-22 | 华中科技大学 | Light focusing cavity of laser |
| CN102335040A (en) * | 2010-07-21 | 2012-02-01 | 武汉奇致激光技术有限公司 | Green laser therapy apparatus with high-peak power output and control method thereof |
| CN103143122A (en) * | 2013-04-03 | 2013-06-12 | 长光华雷(苏州)医疗科技有限公司 | Skin cooling device for laser therapy |
| CN103585718A (en) * | 2013-11-04 | 2014-02-19 | 中国科学院苏州生物医学工程技术研究所 | All-solid-state folding intra-cavity sum frequency yellow orange laser vascular disease therapeutic apparatus |
| CN104127236A (en) * | 2014-07-14 | 2014-11-05 | 中国科学院苏州生物医学工程技术研究所 | Non-contact spraying skin cooling device for laser therapy |
Non-Patent Citations (4)
| Title |
|---|
| 刘杰等: ""全固态５８９ｎｍ激光器及其钠导星激发亮度"", 《光学精密工程》 * |
| 王禹凝等: "589nm全固态黄光激光器研究进展", 《光机电信息》 * |
| 耿爱丛等: "V型腔腔内和频产生3W连续波589nm黄光激光器", 《物理学报》 * |
| 鲁燕华等: "15.5W全固态腔外和频589nm黄光激光器", 《中国激光》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598854A (en) * | 2018-05-31 | 2018-09-28 | 合肥大族科瑞达激光设备有限公司 | A kind of laser and photo-therapeutic instrument |
| CN109260604A (en) * | 2018-12-05 | 2019-01-25 | 深圳市吉斯迪科技有限公司 | A kind of portable electro-optical Q-switch laser skin therapeutic equipment |
| WO2020114468A1 (en) * | 2018-12-05 | 2020-06-11 | 苏州创鑫激光科技有限公司 | Solid laser device |
| CN109260604B (en) * | 2018-12-05 | 2024-03-15 | 深圳市吉斯迪科技有限公司 | Portable electro-optic Q-switched laser skin therapeutic instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105552697A (en) | Sum frequency laser and laser therapeutic instrument | |
| JP5658207B2 (en) | Laser equipment using anisotropic laser crystal | |
| WO2014145707A2 (en) | Picosecond optical radiation systems and methods of use | |
| US10153607B2 (en) | Passive Q-switch laser and method for optimizing action of the same | |
| KR20180108853A (en) | Laser apparatus and laser processing machine | |
| WO2015093210A1 (en) | Light source device and method for converting wavelength | |
| CN109309336B (en) | Excimer broadband pumping alkali metal blue laser | |
| CN204885816U (en) | 266nm's ultraviolet pulse solid laser device | |
| KR102083267B1 (en) | High power ultrashort laser device | |
| Wu et al. | Cavity-dumped burst-mode Nd: YAG laser master-oscillator power-amplifier system with a flat-top beam output realized by gain profile-controlled side pumping | |
| Laskin et al. | Beam shaping in high-power laser systems with using refractive beam shapers | |
| US20130250984A1 (en) | Laser element having a thermally conductive jacket | |
| Scholes et al. | Thermal aberrations and structured light I: analytical model for structured pumps and probes | |
| JP6261057B1 (en) | Selective amplification device | |
| Xing et al. | Highly efficient RTP electro-optic Q-switched Nd: YVO 4 laser by end-pumping at 914 nm | |
| JP2001062583A (en) | Processing laser device equipped with optical path changing means | |
| CN206490295U (en) | A kind of ultra-compact ultraviolet pulse solid state laser based on cavity external frequency multiplication technology | |
| Washio | Laser devices and optical systems for laser precision microfabrication | |
| JP2016053615A (en) | Optical parametric oscillator, light source unit, microscope, optical parametric oscillation adjustment method, and wavelength conversion method | |
| JP6332055B2 (en) | Pulse laser equipment | |
| Ostermeyer et al. | 50 Watt average output power with 1.2* DL beam quality from a single rod Nd: YALO laser with phase-conjugating SBS mirror | |
| JP2008010720A (en) | Fiber laser device | |
| JP2016053616A (en) | Optical parametric oscillator, light source unit, and microscope | |
| Harth et al. | Ultrafast laser with an average power of 120 W at 515 nm and a highly dynamic repetition rate in the MHz range for novel applications in micromachining | |
| CN103149804A (en) | Device and method for generating extreme ultraviolet source based on radial polarization laser driving |
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: 20160504 |
|
| RJ01 | Rejection of invention patent application after publication |