CN202960762U - Semiconductor laser system for laser medical cosmetology - Google Patents
Semiconductor laser system for laser medical cosmetology Download PDFInfo
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- CN202960762U CN202960762U CN 201220624571 CN201220624571U CN202960762U CN 202960762 U CN202960762 U CN 202960762U CN 201220624571 CN201220624571 CN 201220624571 CN 201220624571 U CN201220624571 U CN 201220624571U CN 202960762 U CN202960762 U CN 202960762U
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- laser
- semiconductor laser
- semiconductor
- fiber waveguide
- contact hole
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Abstract
The utility model provides a semiconductor laser system for laser medical cosmetology. The semiconductor laser system comprises a semiconductor laser array, an optical waveguide, a lug-boss-shaped transparent contact window, and a refrigeration block, wherein the semiconductor laser array is formed by overlaying a plurality of semiconductors, the optical waveguide is located on the front end of a luminous face of the semiconductor laser array, the contact window is located at a light-emergent port end of the optical waveguide, and the refrigeration block is used for carrying out conduction cooling on the contact window; the refrigeration block comprises a base part and a hollow head part located above the base part, a thermoelectric semiconductor refrigerator is arranged below the base part of the refrigeration block, and a first water introducing block is arranged below the thermoelectric semiconductor refrigerator; and the semiconductor laser array is provided with a second water introducing block for heat radiation. According to the semiconductor laser system disclosed by the utility model, a unique refrigeration structure design is adopted to enable a working end face in direct contact with skin to approach a freezing point, and the semiconductor laser system is compact and stable in structure.
Description
Technical field
This utility model belongs to the semiconductor laser application, relates to a kind of high-power semiconductor laser light-source system, is applicable to laser medicine.
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 for semiconductor laser, low in energy consumption, wavelength covers wide characteristics, is specially adapted to the manufacturing of laser medical equipment.
At present the business laser depilation system that uses has: 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 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 reduce wrinkle, skin care.Moisture absorption during laser is organized by dermal collagen produces heat 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 pathological changes
Thermal source the most frequently used in 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 instrument.It has not only made up high energy CO
2Laser is difficult for fiber-optic transfer, unhandy shortcoming, and has made up 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.
Chinese patent Granted publication number discloses the apparatus for laser depilation of Japanese refined awns company limited utility model for CN1452465.This device adopts output 5mW-1500mw, and the semiconductor laser of wavelength 600nm-1600nm loses hair or feathers, because system's output is low, spot size is little, and wavelength output is also non-adjustable, and depilation efficient is very low.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned background technology, and a kind of Laser Diode System for laser medical beauty treatment is provided, can be directly and contact skin by contact hole.
The technical solution of the utility model is as follows:
A kind of Laser Diode System for laser medical beauty treatment comprises
The semiconductor laser array that is formed by the stack of a plurality of semiconductor lasers,
Be positioned at semiconductor laser array light-emitting area front end fiber waveguide,
Be positioned at fiber waveguide light-emitting window end boss shape transparent contact hole and
In order to contact hole is conducted cooling cold-making block;
Described cold-making block is divided into basilar part and is positioned at the hollow type head of basilar part top, and the front portion of this hollow type head is with the whole applying fastening of the sidewall of contact hole; Fiber waveguide light-emitting window end 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 basilar part of cold-making block, is provided with the first water flowing piece below thermoelectric semiconductor refrigerator (TEC); Semiconductor laser array is equipped with the second water flowing piece for heat radiation.
Based on above-mentioned basic technical scheme, this utility model has also been done following optimization and has been limited and improve.
Liquid cooling passage in above-mentioned the first water flowing piece and the second water flowing piece can be independent separately, also can be in series.
Above-mentioned fiber waveguide integral body is prism, terrace with edge, cylinder or truncated cone-shaped.
Above-mentioned 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.
The material of above-mentioned contact hole can be sapphire or K9 glass, quartz glass, diamond etc., take sapphire as best.
Above-mentioned contact hole and fiber waveguide are the integral piece that sapphire or diamond are made.
The material of above-mentioned cold-making block preferably adopts copper, aluminum, ferrum, gold plated copper, gold-plated aluminum, rustless steel or diamond.
The material of above-mentioned the first water flowing piece and the second water flowing piece can be copper, aluminum, rustless steel, hard anodized aluminum, plastics.
Above-mentioned semiconductor laser is that chip of laser is encapsulated 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, can be also multiple luminous point chip.
This utility model has following beneficial effect at least:
1, the fast axle angle of divergence of semiconductor laser array mini-bus bar quick shaft direction is 30～40 degree usually, and the slow axis angle of divergence is 5～10 degree; Use fiber waveguide transmission laser, confine optical beam is dispersed, and by Multi reflection, therefore the hot spot of final outgoing is obtained uniform light spots by homogenize to light beam in fiber waveguide.
2, adopt unique refrigeration structure design, make 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 5 ℃ of left and right (freezing point), 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, made laser works 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, makes laser works 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 the hot injury 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 absorbtivity of laser increase 30%-40%.
Description of drawings
Fig. 1 is this utility model example structure schematic diagram.
Drawing reference numeral explanation: 1-semiconductor laser array; The 2-fiber waveguide; The 3-contact hole; The 4-cold-making block; 5-thermoelectric semiconductor refrigerator (TEC); 6-water flowing piece; 7-bar bar chip; 8-bar bar heat sink; The 9-water inlet; The 10-outlet.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail:
As shown in Figure 1, fiber waveguide 2 is placed in the light-emitting area front end of semiconductor laser array 1, apart from semiconductor laser array light-emitting area 0.5-5.0 millimeter, is used for laser beam is carried out exporting after total reflection; Contact hole 3 is placed in fiber waveguide 2 light-emitting window ends.Semiconductor laser array 1 is formed by the stack of a plurality of single bar bar laser instrument, and the output of whole semiconductor laser array is more than 200W.Single bar bar laser instrument can be welded on bar bar heat sink 8 by single bar bar chip 7 and make.
According to the practical application needs, the material of fiber waveguide can be metal, and fiber waveguide is hollow, and in fiber waveguide, four faces all are coated with reflectance coating; The material of fiber waveguide can be also transparent material, and as glass, resin, sapphire, diamond etc., fiber waveguide both can be for solid, also can be for hollow.Further improve energy density as needs, fiber waveguide 2 can adopt has terrace with edge shape or the truncated cone-shaped that light beam converges effect.
The most of energy of laser all is limited in transmitting in waveguide, and can not overflow.
Contact hole 3 is boss shape, and " protruding " head of convex contact hole can directly contact skin.Contact hole 3 is high thermal conductivity transparent materials, can be sapphire or K9 glass, quartz glass, diamond etc.
The head of cold-making block is to contact hole conduction refrigeration, makes contact hole 3 temperature that directly contact with skin can be very low, can calcination skin.Cold-making block is close to fixing head with the contact hole rear end face above being divided into basilar part and being positioned at basilar part, is integrated part; Fiber waveguide is clamped on cold-making block or the first water flowing piece, and described head and the fiber waveguide shape suitable so that be close to that the area of fixing contact hole rear end face maximizes and and fiber waveguide between leave air gap.Cold-making block 4 afterbodys are suspended at below fiber waveguide, do not contact with fiber waveguide 2.
Cold-making block 4 adopts the material of the high thermal conductivities such as copper or aluminum, 5 pairs of cold-making blocks 4 of semiconductor thermoelectric refrigeration device is set below cold-making block 4 freezes.Water flowing piece 6 is set below semiconductor thermoelectric refrigeration device 5.The water flowing piece of semiconductor thermoelectric refrigeration device 5 and semiconductor laser array 1 below setting is one.The water flowing piece water flow structure of semiconductor laser array 6 and semiconductor thermoelectric refrigeration device 5 is series connection.In water flowing piece 6, current enter from water inlet 9, are current as the dotted line position, after semiconductor laser array 1, enter in the water flowing piece after flowing out from semiconductor laser array 1, flow out from outlet 10.
The large spot that fiber waveguide is sent semiconductor laser array is shaped to small light spot and evenly output.Usually the angle of divergence of semiconductor laser array mini-bus bar quick shaft direction is 30～49 degree, passes through Multi reflection in fiber waveguide due to the light beam that clings to bar, and therefore the hot spot of final outgoing is obtained uniform light spots by homogenize.
Semiconductor laser array 1 sends laser, converges through fiber waveguide 2, is converged to enough small sizes at fiber waveguide outlet hot spot, makes energy density reach laser medicine as depilation or beauty treatment demand, then directly acts on human skin tissue through contact hole 3.
For reducing to treat pain, contact hole (treatment head) has the skin Cooling Design, cooling source adopts semiconductor thermoelectric refrigeration device (TEC), its hot junction is connected to the water flowing piece, and cold junction is connected to cold-making block, adopts heat exchange pattern, cooling path is that semiconductor thermoelectric refrigeration device (TEC) is to cold-making block, arrive contact hole again, directly act on human skin tissue, safety is injured skin not.Contact hole is close to skin in treatment, makes local epidermis be cooled to 5 degree, has both effectively protected normal skin not to be subjected to the hot injury, eases the pain, and can increase the treatment energy again, improves curative effect.Laser head presses down skin simultaneously, makes the hair follicle lodging, makes the absorbtivity of laser increase 30%-40%.
Claims (6)
1. a Laser Diode System that is used for laser medical beauty treatment, is characterized in that: comprise
The semiconductor laser array that is formed by the stack of a plurality of semiconductor lasers,
Be positioned at semiconductor laser array light-emitting area front end fiber waveguide,
Be positioned at fiber waveguide light-emitting window end boss shape transparent contact hole and
In order to contact hole is conducted cooling cold-making block;
Described cold-making block is divided into basilar part and is positioned at the hollow type head of basilar part top, and the front portion of this hollow type head is with the whole applying fastening of the sidewall of contact hole; Fiber waveguide light-emitting window end 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 basilar part of cold-making block, is provided with the first water flowing piece below the thermoelectric semiconductor refrigerator; Semiconductor laser array is equipped with the second water flowing piece for heat radiation.
2. the Laser Diode System for laser medical beauty treatment according to claim 1 is characterized in that: the liquid cooling passage in described the first water flowing piece and the second water flowing piece is independence or be in series separately.
3. the Laser Diode System for laser medical beauty treatment according to claim 1 is characterized in that: described fiber waveguide is whole is prism, terrace with edge, cylinder or truncated cone-shaped.
4. the Laser Diode System for laser medical beauty treatment according to claim 1, it is characterized in that: described 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.
5. the Laser Diode System for laser medical beauty treatment according to claim 1, it is characterized in that: described contact hole and fiber waveguide are the integral piece that sapphire or diamond are made.
6. the Laser Diode System for laser medical beauty treatment according to claim 1, it is characterized in that: described semiconductor laser is that chip of laser is encapsulated on heat sink, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624571 CN202960762U (en) | 2012-11-22 | 2012-11-22 | Semiconductor laser system for laser medical cosmetology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220624571 CN202960762U (en) | 2012-11-22 | 2012-11-22 | Semiconductor laser system for laser medical cosmetology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202960762U true CN202960762U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220624571 Withdrawn - After Issue CN202960762U (en) | 2012-11-22 | 2012-11-22 | Semiconductor laser system for laser medical cosmetology |
Country Status (1)
| Country | Link |
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| CN (1) | CN202960762U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940529A (en) * | 2012-11-22 | 2013-02-27 | 西安炬光科技有限公司 | Semiconductor laser device system used for laser medical cosmetology |
| 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 |
| CN109106445A (en) * | 2018-08-29 | 2019-01-01 | 西安炬光科技股份有限公司 | Optical element, semiconductor Laser device and semiconductor laser medical apparatus |
-
2012
- 2012-11-22 CN CN 201220624571 patent/CN202960762U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940529A (en) * | 2012-11-22 | 2013-02-27 | 西安炬光科技有限公司 | Semiconductor laser device system used for laser medical cosmetology |
| 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 |
| CN109106445A (en) * | 2018-08-29 | 2019-01-01 | 西安炬光科技股份有限公司 | Optical element, semiconductor Laser device and semiconductor laser medical apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |