CN102969653A - Semiconductor laser system with collimation for medical cosmetology - Google Patents

Semiconductor laser system with collimation for medical cosmetology Download PDF

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Publication number
CN102969653A
CN102969653A CN2012104800401A CN201210480040A CN102969653A CN 102969653 A CN102969653 A CN 102969653A CN 2012104800401 A CN2012104800401 A CN 2012104800401A CN 201210480040 A CN201210480040 A CN 201210480040A CN 102969653 A CN102969653 A CN 102969653A
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CN
China
Prior art keywords
collimation
light
semiconductor laser
medical
water flowing
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Pending
Application number
CN2012104800401A
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Chinese (zh)
Inventor
刘兴胜
戴晔
孙尧
吴迪
蔡磊
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Xian Focuslight Technology Co Ltd
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Xian Focuslight Technology Co Ltd
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Application filed by Xian Focuslight Technology Co Ltd filed Critical Xian Focuslight Technology Co Ltd
Priority to CN2012104800401A priority Critical patent/CN102969653A/en
Publication of CN102969653A publication Critical patent/CN102969653A/en
Priority to US14/646,439 priority patent/US9510908B2/en
Priority to KR1020157016573A priority patent/KR101667897B1/en
Priority to PCT/CN2013/087603 priority patent/WO2014079375A1/en
Pending legal-status Critical Current

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Abstract

The invention provides a semiconductor laser system with collimation for medical cosmetology. The system is characterized in that linear light spots occur at a light outgoing part, thus greatly improving the light spots power density in working. The semiconductor laser system comprises a semiconductor laser array, a collimating mirror for fast axis collimation or fast and slow axes collimation on light emitted by the semiconductor laser, an optical waveguide or a pair of light barriers coated with highly-reflective films at the inner sides, a boss-type transparent contact window located at a light outgoing port end of the optical waveguide or the pair of light barriers, and a refrigerating block, wherein the refrigerating block is divided into a base part and a hollow head located above the base; the front part of the hollow head is adhered and fastened to the whole side wall of the contact window; and the light outgoing port end of the optical waveguide or the pair of light barriers is located in the cavity of the hollow head, and a clearance is left between the light outgoing port end and the inner wall of the hollow head. The semiconductor laser system adopts a special refrigerating structure design, so that the temperature of a working end face directly contacting with skin can approximate the freezing point, and the system is compact in structure and stable.

Description

A kind of medical and beauty treatment Laser Diode System with collimation
Technical field
The invention belongs to the semiconductor laser application, relate to a kind of medical and beauty treatment Laser Diode System with collimation.
Background technology
The key areas that laser medicine is used as laser develops very fastly, progressively moves to maturity.Volume is little, lightweight because having, the life-span is long, low in energy consumption for semiconductor laser, wavelength covers wide characteristics, is specially adapted to the manufacturing of Medical Devices.
The commercial laser depilation system that uses has at present: ruby laser (wavelength 694nm), alexandrite laser (wavelength 755nm), semiconductor laser (wavelength 810nm) and accent Q neodymium doped yttrium aluminium garnet laser (wavelength 1064nm).Wherein the semiconductor laser depilation has been proved to be a kind of safety and effective laser depilation mode.
According to estimates, the laser depilation operation of carrying out in the global range in 2010 reaches 5,000,000 person-times.Semiconductor laser is the skin reconstruction operations in another important application of beauty treatment fields, is used for smoothing wrinkle, tender skin.Moisture absorption during laser is organized by dermal collagen produces thermal effect, and the regeneration of stimulation collagen and reinventing makes the skin smooth delicacy that becomes, and recovers elasticity.In addition, laser also can be used for treating freckle, traumatic pigmentation, dispel tatoo, eyebrow tattooing, informer etc. are black, the cyanine pathology
Thermal source the most frequently used in the ophthalmology is semiconductor laser, and semiconductor laser can be used for treating various Refractory Glaucomas, the intractable high intraocular pressure of Silicone oil injection postoperative, and amphiblestroid light is solidifying and fixing etc.
Full-fledged along with semiconductor laser technique, self distinctive advantage constantly increase, its in the application of medical field also in continuous expansion, nearly cover the range of application of other laser.It has not only remedied high energy CO 2Laser is difficult for Optical Fiber Transmission, unhandy shortcoming, and has remedied the shortcoming that lamp light-pumped solid state laser efficient is low, heat radiation bothers, and is expected to become the main flow of medical laser.
The apparatus for laser depilation of the Chinese patent Granted publication number Japanese Ya Mang Co., Ltd utility model for CN1452465 discloses.This device adopts power output 5mW-1500mW, and the semiconductor laser of wavelength 600nm-1600nm loses hair or feathers, because system's power output is low, spot size is little, and wavelength output is also non-adjustable, and depilation efficient is very low.
Summary of the invention
The object of the invention is to overcome the shortcoming of above-mentioned background technology, a kind of medical and beauty treatment Laser Diode System with collimation is provided, bright dipping place is linear beam spot, the Bright efficacy and density when greatly improving work.
The objective of the invention is to solve by the following technical programs:
A kind of medical and beauty treatment Laser Diode System with collimation comprises
The semiconductor laser array that is formed by the stack of a plurality of semiconductor lasers,
The light that sends in order to noise spectra of semiconductor lasers carry out fast axis collimation or fast and slow axis collimation collimating mirror,
Be positioned at semiconductor laser array light-emitting area front end fiber waveguide or perpendicular to the pair of inside of slow-axis direction setting be coated with high-reflecting film light barrier,
Be positioned at fiber waveguide or a pair of light barrier the light-emitting window end boss shape transparent contact hole and
In order to contact hole is conducted the cold-making block of cooling;
Described cold-making block is divided into basal part and is positioned at the hollow type head of basal part top, the front portion of this hollow type head is with the whole applying fastening of the sidewall of contact hole, the light-emitting window end of fiber waveguide or a pair of light barrier is positioned at the cavity of hollow type head, and and the inwall of hollow type head between leave the space;
The thermoelectric semiconductor refrigerator is set below the basal part of cold-making block, and thermoelectric semiconductor refrigerator (TEC) below is provided with the first water flowing piece; Semiconductor laser array is equipped with the second water flowing piece for heat radiation.
Based on above-mentioned basic technical scheme, the present invention has also carried out following optimization and has limited and improve.
Above-mentioned collimating mirror can be miniature collimating mirror, is installed on each laser bar bar chip of semiconductor laser array; Also can be that a monoblock collimating mirror places the semiconductor laser array front end.
Above-mentioned fiber waveguide by being installed on cold-making block basal part or a pair of grooved fixed block on the first water flowing piece grip; Perhaps above-mentioned a pair of light barrier is pegged graft and is fixed in the slot default on cold-making block basal part or the first water flowing piece.
Basal part at above-mentioned cold-making block is coated with collet.
The guiding gutter that is provided with to guide the ponding discharge on basal part and/or the first water flowing piece surface of cold-making block.
Liquid cooling passage in above-mentioned the first water flowing piece and the second water flowing piece is in series or is separate.
Above-mentioned fiber waveguide integral body is cylinder, round platform, prism or terrace with edge shape, the preferred sapphire of the material of fiber waveguide, K9 glass, diamond; The material preferably copper of light barrier is gold-plated or copper is silver-plated.
The material of above-mentioned contact hole can be sapphire or K9 glass, quartz glass, diamond etc.
Above-mentioned contact hole and fiber waveguide can be made sapphire or diamond integral piece.
The material of above-mentioned cold-making block can be metal material, such as copper, and aluminium, iron, gold plated copper, gold-plated aluminium, stainless steels etc. also can be diamonds.The material of the first water flowing piece and the second water flowing piece can be copper, aluminium, stainless steel, hard anodized aluminium, plastics.
The present invention has following beneficial effect:
1, at laser chip collimating mirror (mainly being the fast axis collimation mirror) is installed, the angle of divergence can be compressed, pass through simultaneously fiber waveguide, limit dispersing of slow-axis direction; Light-emitting area front end at semiconductor laser arranges light barrier perpendicular to slow-axis direction, also can limit the light of slow-axis direction; Finally obtain strip light spots in fiber waveguide outlet, so that every light spot energy density reaches the demand of laser medicine, can reach the equal even more excellent effect that adopts uniform light spots repeatedly to shine by single pass.
2, adopt unique refrigeration structure design, so that the operative end surface temperature that directly contacts with skin can be near freezing point, and compact conformation, stablize.
3, adopt thermoelectric semiconductor refrigerator (TEC) as cooling source, the temperature of regulating cold-making block is freezed to contact hole, and chilling temperature can be low to moderate (freezing point) about 5 ℃, the pain when having effectively reduced treatment.
4, coupling setting has the water flowing piece of liquid cooling passage, and radiating efficiency is high; In addition, water flowing piece under the thermoelectric semiconductor refrigerator also can consist of a channels in series with the liquid cooling passage of the miscellaneous part such as semiconductor laser array is whole, semiconductor laser array and semiconductor thermoelectric refrigeration device (TEC) cooling water channel are cascaded structure, connect by the water flowing piece, simple in structure, overcome each uncontrollable shortcoming in branch road water route of traditional water route in parallel, effectively guaranteed the cooling of semiconductor laser, so that laser works is more reliable and more stable.
5, contact hole adopts the boss design, assists entering of article such as epoxy resin etc. when having stopped treatment, so that laser works is more reliable and more stable; Simultaneously contact hole change easy, during use can with skin attachement, the contact site temperature had both protected normal skin not to be subjected to fire damage near freezing point effectively, eased the pain, and can increase the treatment energy again, improved curative effect; Contact hole presses down skin simultaneously, makes the hair follicle lodging, makes the uptake of laser increase 30%-40%.
Position temperature difference characteristics when 6, considering product work are arranging thermal insulation jacket (layer), avoid catching a cold dewfall, ponding near the refrigeration position.
7, at water flowing piece (and on cold-making block) guiding gutter is set, the ponding that dewfall is formed can be derived the pollution of avoiding noise spectra of semiconductor lasers by guiding gutter.
Description of drawings
Fig. 1 is embodiment of the invention structural representation (employing light barrier).
Fig. 2 is another embodiment of the present invention structural representation (employing fiber waveguide).
Fig. 3 is cold-making block head of the present invention and contact hole connected mode schematic diagram.
Fig. 4 is the laser facula figure of embodiment of the invention contact hole output.
Drawing reference numeral explanation: 1 semiconductor laser array; 2 light barriers or fiber waveguide; 3 contact holes; 4 cold-making blocks; 5 thermoelectric semiconductor refrigerators (TEC); 6 first water flowing pieces; 7 collimating mirrors, 8 laser chips; 9 heat sinks; 10 first fixed blocks; 11 second fixed blocks; 12 collets; 13 insulating blankets; 14 second water flowing pieces; 15 water inlets; 16 delivery ports; 17 heat sinks.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail:
Referring to Fig. 1 and Fig. 2, the medical and beauty treatment Laser Diode System of band collimation of the present invention comprises the semiconductor laser array that is formed by a plurality of semiconductor laser stacks, the light that sends in order to noise spectra of semiconductor lasers carries out the collimating mirror that fast axis collimation or fast and slow axis collimate simultaneously, be positioned at the fiber waveguide of semiconductor laser array light-emitting area front end or be coated with the light barrier of high-reflecting film perpendicular to the pair of inside of slow-axis direction setting, be positioned at the transparent contact hole of boss shape of the light-emitting window end of fiber waveguide or a pair of light barrier, and in order to contact hole is conducted the cold-making block of cooling.
Cold-making block is divided into basal part and is positioned at the hollow type head of basal part top, the front portion of this hollow type head is with the whole applying fastening of the sidewall of contact hole, the light-emitting window end of fiber waveguide or a pair of light barrier is positioned at the cavity of hollow type head, and and the inwall of hollow type head between leave the space.
The thermoelectric semiconductor refrigerator is set below the basal part of cold-making block, and thermoelectric semiconductor refrigerator (TEC) below is provided with the first water flowing piece; Semiconductor laser array is equipped with the second water flowing piece for heat radiation.
Collimating mirror can be miniature collimating mirror, is installed on each laser bar bar chip of semiconductor laser array; Also can be that a monoblock collimating mirror places the semiconductor laser array front end.
Fiber waveguide by being installed on cold-making block basal part or a pair of grooved fixed block on the first water flowing piece grip; Perhaps above-mentioned a pair of light barrier is pegged graft and is fixed in the slot default on cold-making block basal part or the first water flowing piece.
The basal part of cold-making block can also be coated with collet.The guiding gutter that can also arrange to guide the ponding discharge on basal part and/or the first water flowing piece surface of cold-making block.
Liquid cooling passage in the first water flowing piece and the second water flowing piece is in series or is separate.
Embodiment shown in Figure 1 adopts light barrier.The material preferably copper of light barrier is gold-plated or copper is silver-plated.
Embodiment shown in Figure 2 adopts fiber waveguide.Fiber waveguide integral body is cylinder, round platform, prism or terrace with edge shape, further improves energy density such as needs, and fiber waveguide can adopt has terrace with edge shape or the truncated cone-shaped that light beam converges effect.According to the practical application needs, the material of fiber waveguide can be metal, and then fiber waveguide is hollow, and four faces all are coated with reflectance coating in the fiber waveguide; The material of fiber waveguide also can be transparent material, and such as glass, resin, sapphire, diamond etc., then fiber waveguide both can be for solid, also can be for hollow.The preferred sapphire of the material of fiber waveguide, K9 glass, diamond.
The material of contact hole can be sapphire or K9 glass, quartz glass, diamond etc.
If employing fiber waveguide, contact hole and fiber waveguide can be made sapphire or diamond integral piece.
The material of cold-making block can be metal material, such as copper, and aluminium, iron, gold plated copper, gold-plated aluminium, stainless steels etc. also can be diamonds.The material of the first water flowing piece and the second water flowing piece can be copper, aluminium, stainless steel, hard anodized aluminium, plastics.
Usually, fiber waveguide is positioned at semiconductor laser array light-emitting area front end, apart from semiconductor laser array light-emitting area 0.5-5.0 millimeter.
Semiconductor laser of the present invention can be that laser is clung to the bar chip package on heat sink, and heat sink can be micro-channel heat sink, grand passage is heat sink or metal derby; Chip of laser can be single-shot luminous point chip, also can be multiple luminous point chip.
If adopt the present invention to carry out laser depilation, then the power output of semiconductor laser array 1 is to get final product more than the 200W.

Claims (10)

1. the medical and beauty treatment Laser Diode System with collimation is characterized in that: comprise
The semiconductor laser array that is formed by the stack of a plurality of semiconductor lasers,
The light that sends in order to noise spectra of semiconductor lasers carry out fast axis collimation or fast and slow axis collimation collimating mirror,
Be positioned at semiconductor laser array light-emitting area front end fiber waveguide or perpendicular to the pair of inside of slow-axis direction setting be coated with high-reflecting film light barrier,
Be positioned at fiber waveguide or a pair of light barrier the light-emitting window end boss shape transparent contact hole and
In order to contact hole is conducted the cold-making block of cooling;
Described cold-making block is divided into basal part and is positioned at the hollow type head of basal part top, the front portion of this hollow type head is with the whole applying fastening of the sidewall of contact hole, the light-emitting window end of fiber waveguide or a pair of light barrier is positioned at the cavity of hollow type head, and and the inwall of hollow type head between leave the space;
The thermoelectric semiconductor refrigerator is set below the basal part of cold-making block, and thermoelectric semiconductor refrigerator below is provided with the first water flowing piece; Semiconductor laser array is equipped with the second water flowing piece for heat radiation.
2. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: described collimating mirror is miniature collimating mirror, each laser that is installed in semiconductor laser array clings on bar chip; Perhaps described collimating mirror is that a monoblock collimating mirror places the semiconductor laser array front end.
3. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation is characterized in that: described fiber waveguide by being installed on cold-making block basal part or a pair of grooved fixed block on the first water flowing piece grip; Perhaps described a pair of light barrier is pegged graft and is fixed in the slot default on cold-making block basal part or the first water flowing piece.
4. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: the basal part of cold-making block is coated with collet.
5. the medical and beauty treatment Laser Diode System of band collimation according to claim 1 is characterized in that: the guiding gutter that is provided with to guide the ponding discharge on basal part and/or the first water flowing piece surface of cold-making block.
6. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: the interior liquid cooling passage of the first water flowing piece and the second water flowing piece is in series or is separate.
7. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: fiber waveguide is whole to be cylinder, round platform, prism or terrace with edge shape, and the material of fiber waveguide is sapphire, K9 glass or diamond; The material of light barrier is that copper is gold-plated or copper is silver-plated.
8. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: the material of contact hole is sapphire, K9 glass, quartz glass or diamond.
9. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: contact hole and fiber waveguide are sapphire or diamond integral piece.
10. the medical and beauty treatment Laser Diode System of band according to claim 1 collimation, it is characterized in that: the material of cold-making block is copper, aluminium, iron, gold plated copper, gold-plated aluminium, stainless steel or diamond; The material of the first water flowing piece and the second water flowing piece is copper, aluminium, stainless steel, hard anodized aluminium or plastics.
CN2012104800401A 2012-11-22 2012-11-22 Semiconductor laser system with collimation for medical cosmetology Pending CN102969653A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2012104800401A CN102969653A (en) 2012-11-22 2012-11-22 Semiconductor laser system with collimation for medical cosmetology
US14/646,439 US9510908B2 (en) 2012-11-22 2013-11-21 Semiconductor laser system for laser medical cosmetology
KR1020157016573A KR101667897B1 (en) 2012-11-22 2013-11-21 Semiconductor laser system for laser medical cosmetology
PCT/CN2013/087603 WO2014079375A1 (en) 2012-11-22 2013-11-21 Semiconductor laser system for laser medical cosmetology

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014079375A1 (en) * 2012-11-22 2014-05-30 西安炬光科技有限公司 Semiconductor laser system for laser medical cosmetology
CN105310771A (en) * 2014-07-31 2016-02-10 山东华光光电子有限公司 Semiconductor laser device medical module capable of emitting uniform light spots and application of semiconductor laser device medical module
CN110013609A (en) * 2019-03-11 2019-07-16 武汉奇致激光技术股份有限公司 A kind of light intensity light source adjustment apparatus structure applied to strong light light path system
CN113288417A (en) * 2021-05-20 2021-08-24 深圳贵之族生科技有限公司 Portable freezing point appearance that moults
CN113907872A (en) * 2021-09-24 2022-01-11 武汉洛芙科技股份有限公司 Laser depilation instrument handle with refrigeration function
WO2024016750A1 (en) * 2022-07-18 2024-01-25 西安炬光科技股份有限公司 Laser hair removal handle

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CN2928026Y (en) * 2006-01-24 2007-08-01 恩耐激光技术(上海)有限公司 Portable laser depilation device
CN101132831A (en) * 2005-02-18 2008-02-27 帕洛玛医疗技术公司 Dermatological treatment device
CN203071397U (en) * 2012-11-22 2013-07-17 西安炬光科技有限公司 Semiconductor laser system with collimation function for medical cosmetology

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6485484B1 (en) * 1999-03-15 2002-11-26 Altus Medical, Inc. Hair removal device
US20060009749A1 (en) * 2004-02-19 2006-01-12 Weckwerth Mark V Efficient diffuse light source assembly and method
CN101132831A (en) * 2005-02-18 2008-02-27 帕洛玛医疗技术公司 Dermatological treatment device
CN2928026Y (en) * 2006-01-24 2007-08-01 恩耐激光技术(上海)有限公司 Portable laser depilation device
CN203071397U (en) * 2012-11-22 2013-07-17 西安炬光科技有限公司 Semiconductor laser system with collimation function for medical cosmetology

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014079375A1 (en) * 2012-11-22 2014-05-30 西安炬光科技有限公司 Semiconductor laser system for laser medical cosmetology
CN105310771A (en) * 2014-07-31 2016-02-10 山东华光光电子有限公司 Semiconductor laser device medical module capable of emitting uniform light spots and application of semiconductor laser device medical module
CN110013609A (en) * 2019-03-11 2019-07-16 武汉奇致激光技术股份有限公司 A kind of light intensity light source adjustment apparatus structure applied to strong light light path system
CN110013609B (en) * 2019-03-11 2021-06-29 武汉奇致激光技术股份有限公司 Be applied to highlight light path system's highlight light source adjusting device structure
CN113288417A (en) * 2021-05-20 2021-08-24 深圳贵之族生科技有限公司 Portable freezing point appearance that moults
CN113907872A (en) * 2021-09-24 2022-01-11 武汉洛芙科技股份有限公司 Laser depilation instrument handle with refrigeration function
WO2024016750A1 (en) * 2022-07-18 2024-01-25 西安炬光科技股份有限公司 Laser hair removal handle

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Application publication date: 20130313