CN102961185B - semiconductor laser system for laser medical cosmetology - Google Patents
semiconductor laser system for laser medical cosmetology Download PDFInfo
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- CN102961185B CN102961185B CN201210480076.XA CN201210480076A CN102961185B CN 102961185 B CN102961185 B CN 102961185B CN 201210480076 A CN201210480076 A CN 201210480076A CN 102961185 B CN102961185 B CN 102961185B
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Abstract
The invention provides a kind of semiconductor laser system for laser medical cosmetology, its contact hole can directly and contact skin.This semiconductor laser system for laser medical cosmetology, comprise semiconductor laser array, be positioned at the fiber waveguide of semiconductor laser array light-emitting area front end, be positioned at the transparent contact hole of the boss shape of fiber waveguide light-emitting window end and the cold-making block in order to carry out Conduction cooled to contact hole; Cold-making block is divided into basilar part and is positioned at the hollow type head above basilar part, and the front portion of this hollow type head is by the sidewall of contact hole entirety laminating fastening; Fiber waveguide light-emitting window end is positioned at the cavity of hollow type head, and and leave space between the inwall of hollow type head; Fiber waveguide is gripped by a pair grooved fixed block, and center that the contact surface of fiber waveguide and fixed block is provided with is empty pad.The present invention adopts unique refrigeration structure design, and making can close to freezing point with the operative end surface temperature of direct skin contact, and compact conformation, stable.
Description
Technical field
The invention belongs to semiconductor laser application, relate to a kind of high-power semiconductor laser light-source system, be applicable to laser medicine.
Background technology
The key areas that laser medicine is applied as laser, develops very fast, progressively moves to maturity.Because having, volume is little, lightweight, the life-span is long, low in energy consumption for semiconductor laser, wavelength covers wide feature, is specially adapted to the manufacture of armarium.
The laser depilation system of current business application has: ruby laser (wavelength 694nm), alexandrite laser (wavelength 755nm), semiconductor laser (wavelength 810nm) and tune Q neodymium doped yttrium aluminium garnet laser (wavelength 1064nm).Wherein semiconductor laser depilation has been proved to be a kind of safety and effective laser depilation mode.
According to estimates, the laser depilation operation carried out in global range in 2010 reaches 5,000,000 person-times.Semiconductor laser is skin reconstruction operation in another important application of beauty treatment fields, for reduce wrinkle, skin care.Laser organized by dermal collagen in moisture absorption, produce heat effect, the regeneration of stimulation collagen and reinventing, make skin become smooth delicacy, recover elasticity.In addition, laser also can be used for treatment freckle, traumatic pigmentation, dispel tatoo, eyebrow tattooing, black, the cyanine pathological changes such as informer
Thermal source the most frequently used in ophthalmology is semiconductor laser, and semiconductor laser can be used for treating various Refractory Glaucoma, the postoperative intractable Bulbi hypertonia of Silicone oil injection, and amphiblestroid light is solidifying and fixing etc.
Full-fledged along with semiconductor laser technique, self distinctive advantage constantly increases, its application at medical field also in continuous expansion, the nearly cover range of application of other laser instrument.It not only compensate for high energy CO laser not easily fiber-optic transfer, unhandy shortcoming, and compensate for that lamp pumping solid state laser efficiency is low, troublesome shortcoming of dispelling the heat, and is expected to the main flow becoming medical laser.
Chinese patent Authorization Notice No. is the apparatus for laser depilation that CN1452465 discloses Japanese Ya Mang company limited utility model.This device adopts output 5mW-1500mw, and the semiconductor laser of wavelength 600nm-1600nm loses hair or feathers, because system output power is low, spot size is little, and wavelength exports also non-adjustable, and depilation efficiency is very low.
Summary of the invention
The object of the invention is to the shortcoming overcoming above-mentioned background technology, semiconductor laser system for laser medical cosmetology is provided, can directly and contact skin by contact hole.
Technical scheme of the present invention is as follows:
Semiconductor laser system for laser medical cosmetology, comprises
By multiple semiconductor laser superpose formed semiconductor laser array,
Be positioned at the fiber waveguide of semiconductor laser array light-emitting area front end,
Be positioned at the boss shape of fiber waveguide light-emitting window end transparent contact hole and
In order to carry out the cold-making block of Conduction cooled to contact hole;
Described cold-making block is divided into basilar part and is positioned at the hollow type head above basilar part, and the front portion of this hollow type head is by the sidewall of contact hole entirety laminating fastening; Fiber waveguide light-emitting window end is positioned at the cavity of hollow type head, and and leave space between the inwall of hollow type head;
Below the basilar part of cold-making block, arrange thermoelectric semiconductor refrigerator, thermoelectric semiconductor refrigerator (TEC) below is provided with the first water flowing block; Semiconductor laser array is provided with the second water flowing block for dispelling the heat;
Above-mentioned fiber waveguide is gripped by a pair grooved fixed block be installed on the first water flowing block or cold-making block basilar part, and this is fixed by screw cross-under grooved fixed block, and center that the contact surface of fiber waveguide and fixed block is provided with is empty pad.
Based on above-mentioned basic technical scheme, the present invention has also done following optimization and has limited and improve.
Above-mentioned pad is flexible material.(polyformaldehyde, polyethylene, polystyrene, polypropylene, polyamide, vulcanite)
Liquid cooling passage in above-mentioned first water flowing block and the second water flowing block can be independent separately, also can be in series.
Above-mentioned fiber waveguide entirety is cylinder, round platform, prism or prismatic table shape.
Above-mentioned fiber waveguide is positioned at semiconductor laser array light-emitting area front end, distance semiconductor laser array light-emitting area 0.5-5.0 millimeter.
The material of above-mentioned contact hole can be sapphire or K9 glass, quartz glass, diamond etc.
The material of above-mentioned cold-making block can be metal material, and as copper, aluminum, ferrum, gold plated copper, gold-plated aluminum, rustless steel etc. also can be diamond.
The material of above-mentioned first water flowing block and the second water flowing block can be copper, aluminum, rustless steel, hard anodized aluminum, plastics.
Above-mentioned semiconductor laser is encapsulated on heat sink by chip of laser, 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.
The bottom of above-mentioned semiconductor laser array is provided with insulating barrier, is mounted on the second water flowing block by this insulating barrier.
The present invention has following beneficial effect:
1, the fast axle angle of divergence of semiconductor laser array mini-bus bar quick shaft direction is 30 ~ 40 degree usually, and slow axis divergence is 5 ~ 10 degree; Use fiber waveguide transmission laser, confine optical beam is dispersed, and light beam is by multiple reflections in fiber waveguide, and the hot spot of final outgoing, by homogenize, therefore obtains uniform light spots.
2, adopt unique refrigeration structure design, making can close to freezing point with the operative end surface temperature of direct skin contact, and compact conformation, stable.
3, adopt thermoelectric semiconductor refrigerator (TEC) as cooling source, regulate the temperature of cold-making block to freeze to contact hole, chilling temperature can be low to moderate about 5 DEG C (freezing points), effectively reduces pain during treatment.
4, coupling arranges the water flowing block with liquid cooling passage, and radiating efficiency is high; In addition, water flowing block under thermoelectric semiconductor refrigerator also can form a channels in series with the liquid cooling passage entirety of the miscellaneous part such as semiconductor laser array, semiconductor laser array and semiconductor thermoelectric refrigeration device (TEC) cooling water channel are cascaded structure, connected by water flowing block, structure is simple, overcome the uncontrollable shortcoming in each branch road water route, conventional parallel water route, effectively ensure that the cooling of semiconductor laser, make laser works more reliable and more stable.
5, contact hole adopts boss design, and when having stopped to treat, auxiliary items entering as epoxy resin etc., makes laser works more reliable and more stable; Simultaneously contact hole is changed easy, during use can with skin attachement, contact site temperature, close to freezing point, had both effectively protected normal skin not heat damage, had eased the pain, can increase treatment energy again, improved curative effect; Contact hole presses down skin simultaneously, and hair follicle is lodged, and makes the absorbtivity of laser increase 30%-40%.
6, fiber waveguide is gripped by fixed block, and the contact site of fiber waveguide and fixed block is perpendicular or horizontal plane, is beneficial to stable holding and fixes, and fixed block can be arranged on cold-making block basilar part and the/the first water flowing block.
7, between fixed block and fiber waveguide, arrange pad, two fixed blocks are connected by screw fixing, prevent fixed block from fiber waveguide being crushed; Pad center is empty, connection fixing block and fiber waveguide, and reduce pad and fiber waveguide contact area, the laser do not affected in fiber waveguide is totally reflected.The refraction of the refractive index ratio fiber waveguide of air is low, so the laser that semiconductor laser sends is by carrying out multiple total reflection after fiber waveguide, pad center is that empty impact makes the laser by fiber waveguide be totally reflected, if pad is not hollow type, when then the refractive index ratio fiber waveguide refractive index of pad is large, then affects and be totally reflected by the laser in fiber waveguide.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the schematic diagram of upper and lower clamping;
Fig. 3 is the schematic diagram of left and right clamping;
Fig. 4 is cold-making block of the present invention and contact hole connected mode figure.
Drawing reference numeral illustrates: 1 semiconductor laser array; 2 fiber waveguides; 3 contact holes; 4 cold-making blocks; 5 semiconductor thermoelectric refrigeration devices; 6 first water flowing blocks; 7 chip of laser; 8 heat sinks; 9 water inlets; 10 outlets; 11 hollow pads; 12 first fixed blocks; 13 second fixed blocks; 14 second water flowing blocks; 15 insulating barriers.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1, semiconductor laser system for laser medical cosmetology of the present invention, comprises and superposes the semiconductor laser array 1 formed, the fiber waveguide 2 being positioned at semiconductor laser array light-emitting area front end by multiple semiconductor laser, is positioned at the transparent contact hole 3 of the boss shape of fiber waveguide light-emitting window end and the cold-making block 4 in order to carry out Conduction cooled to contact hole.
Cold-making block 4 is divided into basilar part and is positioned at the hollow type head above basilar part, and the front portion of this hollow type head is by the sidewall of contact hole 3 entirety laminating fastening; Fiber waveguide light-emitting window end is positioned at the cavity of hollow type head, and and leaves space between the inwall of hollow type head.
Below the basilar part of cold-making block 4, arrange thermoelectric semiconductor refrigerator 5, thermoelectric semiconductor refrigerator (TEC) below is provided with the first water flowing block 6; Semiconductor laser array is provided with the second water flowing block 14 for dispelling the heat.Liquid cooling passage in first water flowing block and the second water flowing block can be independent separately, is preferably in series.Like this, cooling medium is entered by water inlet 9, is flowed out by outlet 10.The better selection of water flowing block is copper, aluminum, rustless steel, hard anodized aluminum or plastics.
Fiber waveguide is gripped by a pair grooved fixed block 12,13 be installed on the first water flowing block 6 or cold-making block basilar part, and this is fixed by screw cross-under grooved fixed block, and center that the contact surface of fiber waveguide and fixed block is provided with is empty pad.The concrete form of this pad can be similar to packing ring, the structure of also can be cross section be polygon frame, oval frame.
This hollow pad is flexible material, and better selection is polyformaldehyde, polyethylene, polystyrene, polypropylene, polyamide or vulcanite.
Fiber waveguide is positioned at semiconductor laser array light-emitting area front end, distance semiconductor laser array light-emitting area 0.5-5.0 millimeter.
According to practical application needs, the material of fiber waveguide 2 can be metal, then fiber waveguide is hollow, and in fiber waveguide, four faces are all coated with reflectance coating; The material of fiber waveguide also can be transparent material, and as glass, resin, sapphire, diamond etc., then fiber waveguide both can be solid, also can be hollow.As needs improve energy density further, fiber waveguide 2 can adopt the prismatic table shape or truncated cone-shaped with beams converge effect.
The material of contact hole can be sapphire or K9 glass, quartz glass, diamond etc.
The material of cold-making block can be metal material, and as copper, aluminum, ferrum, gold plated copper, gold-plated aluminum, rustless steel etc. also can be diamond.
Semiconductor laser can be encapsulated on heat sink by chip of laser, 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.The bottom of semiconductor laser array is provided with insulating barrier 15, is mounted on the second water flowing block by this insulating barrier.
Carry out laser depilation according to the present invention, then the output of semiconductor laser array 1 is more than 200W.
Claims (10)
1. semiconductor laser system for laser medical cosmetology, is characterized in that: comprise
By multiple semiconductor laser superpose formed semiconductor laser array,
Be positioned at the fiber waveguide of semiconductor laser array light-emitting area front end,
Be positioned at the boss shape of fiber waveguide light-emitting window end transparent contact hole and
In order to carry out the cold-making block of Conduction cooled to contact hole;
Described cold-making block is divided into basilar part and is positioned at the hollow type head above basilar part, and the front portion of this hollow type head is by the sidewall of contact hole entirety laminating fastening; Fiber waveguide light-emitting window end is positioned at the cavity of hollow type head, and and leave space between the inwall of hollow type head;
Thermoelectric semiconductor refrigerator is set below the basilar part of cold-making block, below thermoelectric semiconductor refrigerator, is provided with the first water flowing block; Semiconductor laser array is provided with the second water flowing block for dispelling the heat;
Described fiber waveguide is gripped by a pair grooved fixed block be installed on the first water flowing block or cold-making block basilar part, and this is fixed by screw cross-under grooved fixed block, and center that the contact surface of fiber waveguide and fixed block is provided with is empty pad.
2. semiconductor laser system for laser medical cosmetology according to claim 1, is characterized in that: described pad is flexible material.
3. semiconductor laser system for laser medical cosmetology according to claim 1 and 2, is characterized in that: the independence or be in series separately of the liquid cooling passage in described first water flowing block and the second water flowing block.
4. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: described fiber waveguide entirety is cylinder, round platform, prism or prismatic table shape.
5. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: described fiber waveguide is positioned at semiconductor laser array light-emitting area front end, distance semiconductor laser array light-emitting area 0.5-5.0 millimeter.
6. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: the material of described contact hole is sapphire, K9 glass, quartz glass or diamond.
7. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: the material of described cold-making block is copper, aluminum, ferrum, gold plated copper, gold-plated aluminum, rustless steel or diamond.
8. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: the material of described first water flowing block and the second water flowing block is copper, aluminum, rustless steel, hard anodized aluminum or plastics.
9. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: described semiconductor laser is encapsulated on heat sink by chip of laser, and heat sink is micro-channel heat sink, grand passage is heat sink or metal derby; Chip of laser is single-shot luminous point chip or multiple luminous point chip.
10. semiconductor laser system for laser medical cosmetology according to claim 3, is characterized in that: the bottom of described semiconductor laser array is provided with insulating barrier, and semiconductor laser array is mounted on the second water flowing block through this insulating barrier.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480076.XA CN102961185B (en) | 2012-11-22 | 2012-11-22 | semiconductor laser system for laser 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210480076.XA CN102961185B (en) | 2012-11-22 | 2012-11-22 | semiconductor laser system for laser medical cosmetology |
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| Publication Number | Publication Date |
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| CN102961185A CN102961185A (en) | 2013-03-13 |
| CN102961185B true CN102961185B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210480076.XA Active CN102961185B (en) | 2012-11-22 | 2012-11-22 | semiconductor laser system for laser medical cosmetology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9510908B2 (en) * | 2012-11-22 | 2016-12-06 | Focuslight Technologies Inc | Semiconductor laser system for laser medical cosmetology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5867324A (en) * | 1997-01-28 | 1999-02-02 | Lightwave Electronics Corp. | Side-pumped laser with shaped laser beam |
| US6485484B1 (en) * | 1999-03-15 | 2002-11-26 | Altus Medical, Inc. | Hair removal device |
| CN1977431A (en) * | 2004-06-30 | 2007-06-06 | 皮雷利&C.有限公司 | Thermally controlled external cavity tuneable laser |
| CN102723663A (en) * | 2012-05-29 | 2012-10-10 | 武汉电信器件有限公司 | Coaxial laser component with a refrigerator |
| CN202977973U (en) * | 2012-11-22 | 2013-06-05 | 西安炬光科技有限公司 | Semiconductor laser system used for laser medical cosmetology |
-
2012
- 2012-11-22 CN CN201210480076.XA patent/CN102961185B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5867324A (en) * | 1997-01-28 | 1999-02-02 | Lightwave Electronics Corp. | Side-pumped laser with shaped laser beam |
| US6485484B1 (en) * | 1999-03-15 | 2002-11-26 | Altus Medical, Inc. | Hair removal device |
| CN1977431A (en) * | 2004-06-30 | 2007-06-06 | 皮雷利&C.有限公司 | Thermally controlled external cavity tuneable laser |
| CN102723663A (en) * | 2012-05-29 | 2012-10-10 | 武汉电信器件有限公司 | Coaxial laser component with a refrigerator |
| CN202977973U (en) * | 2012-11-22 | 2013-06-05 | 西安炬光科技有限公司 | Semiconductor laser system used for laser medical cosmetology |
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| CN102961185A (en) | 2013-03-13 |
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Address after: 710077 high power semiconductor laser Industrial Park, Shaanxi, Xi'an, Shaanxi Province, No. 86, No. 56 Patentee after: FOCUSLIGHT TECHNOLOGIES INC. Address before: 710119 high tech Zone, Shaanxi, Xi'an new industrial park information Avenue, building 17, building three, floor 10 Patentee before: Xi'an Focuslight Technology Co., Ltd. |