CN201332212Y - Novel two-way holmium laser - Google Patents
Novel two-way holmium laser Download PDFInfo
- Publication number
- CN201332212Y CN201332212Y CNU2009201428849U CN200920142884U CN201332212Y CN 201332212 Y CN201332212 Y CN 201332212Y CN U2009201428849 U CNU2009201428849 U CN U2009201428849U CN 200920142884 U CN200920142884 U CN 200920142884U CN 201332212 Y CN201332212 Y CN 201332212Y
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- eyeglass
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Abstract
The utility model relates to a novel two-way holmium laser, including two sets of a holmium laser resonant cavity, a light path combining system, a coupling system, a water cooling system and the like. The laser is provided with two sets of holmium laser resonant cavities parallel with each other and working independently inside; the laser from a first set of the resonant cavity is close to a vertical fringe of a hemicycle 45 DEG total reflection lens and is shot into a coupling lens directly; the laser from a second set of the resonant cavity is shot into a coupling lens through the reflexion of a 45 DEG total reflection lens and the 45 DEG hemicycle total reflection lens; two lasers is parallel in space and has a space length less than 1mm, and is inputted into a receiving fiber through focusing of the coupling lens. The laser of the utility model has a simple structure, is easy to implement and has a low cost and a stable performance, resolves problems that the output laser power and frequency of the holmium laser are lower effectively, and there is non special servo motor to combine the light paths, which reduces the cost and enlarges application fields of the holmium laser greatly.
Description
Technical field
The utility model relates to the laser application, especially a kind of novel two-way holmium laser.
Background technology
Holmium optical maser wavelength is 2100nm, by Cr, and Tm, the Ho:YAG laser crystal produces by xenon flash lamp pumping.Because holmium optical maser wavelength is on the absorption secondary peak of water just, its energy can so great using value is medically being arranged, be mainly used in fields such as calculus pulverizing and tissue cutting at present by the moisture efficient absorption in the tissue.Cr, Tm, the Ho:YAG laser generally is pulse mode work, in medical application the output laser power of laser, single pulse energy, operating frequency etc. is had relatively high expectations.And because Cr, Tm, Ho:YAG crystal threshold value height, characteristics such as thermal conductivity is low, thermal lensing effect is obvious have limited the power output and the frequency of single channel CTH:YAG laser greatly.
The utility model content
The purpose of this utility model provides a kind of novel two-way holmium laser, to solve the power output and the not high problem of frequency of holmium laser under the conventional art.
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of novel two-way holmium laser includes two groups of holmium laserresonators that are parallel to each other, and it is characterized in that: described first group of holmium laserresonator the place ahead is disposed with the first total reflection eyeglass, coupled lens and the reception optical fiber of 45 ° of inclinations; Described second group of holmium laserresonator the place ahead is provided with the second total reflection eyeglass of 45 ° of inclinations; The laser that first group of holmium laserresonator sends is close to the first speculum edge and is injected in the coupled lens, the laser that second group of holmium laserresonator sends enters in the coupled lens after the reflection through second speculum, the first speculum edge successively, two-way laser, is exported by optical fiber to fiber end face through the coupled lens post-concentration.
Described novel two-way holmium laser is characterized in that: described first speculum and second speculum are installed in respectively on the eyeglass adjustment rack of position and adjustable angle.
Described novel two-way holmium laser, it is characterized in that: described first speculum is semicircle eyeglass, the laser that described second group of holmium laserresonator sends is mapped to first speculum after through second mirror reflects and reflexes to coupled lens again near straight flange edge, the laser that described first group of holmium laserresonator sends and the laser of first mirror reflects is parallel to each other and two-way laser between distance less than 1mm.
Described novel two-way holmium laser is characterized in that: two groups of holmium laserresonators are respectively by Cr, Tm, and Ho:YAG laser crystal, xenon lamp, laser pump cavity, ante-chamber eyeglass, back cavity eyeglass are formed; Described two groups of laser pump cavities adopt water route in parallel to cool off.
The utility model is simple in structure, be easy to realize, lower and the stable performance of cost, the laser that is sent by two groups of holmium laserresonators synthetic, thermal lensing effect obviously caused when Tm, Ho:YAG laser crystal worked power output and the lower problem of frequency have been solved because of Cr effectively under high repetition condition, and the light path of closing of laser need not the special configuration servomotor, greatly reduces cost and has expanded the application of holmium laser.
Description of drawings
Fig. 1 is the utility model laser schematic diagram.
Embodiment
A kind of novel two-way holmium laser comprises two groups of holmium laserresonators, closes light path system, coupled system, water cooling system etc.Two holmium laserresonators 2 that are parallel to each other, work alone are installed in the described laser, and upper and lower two groups of resonant cavitys are referred to as I road, II road respectively; Described each holmium laserresonator 2 front and back are separately installed with ante-chamber eyeglass 3 and back cavity eyeglass 1, described ante-chamber eyeglass 3 is for to 2100nm wavelength laser transmitance being 20% half reflection eyeglass, and back cavity eyeglass 1 is greater than 99% total reflection eyeglass to 2100nm wavelength laser reflectivity; Eyeglass 4,5 is 45 ° of total reflection eyeglasses, and wherein eyeglass 4 is four-dimensional adjustable (adjustable as the direction of arrow among the figure and luffing angle), and eyeglass 5 is two-dimensional adjustable (luffing angle is adjustable); I laser that the road goes out is close to the vertical edge of eyeglass 4 and is directly injected in the coupled lens 6, and II laser that the road goes out is got on the eyeglass 4 through the reflection of eyeglass 5 and (is close to its edge), and coupled lens 6 is once injected in reflection again; By regulating the position and the angle of eyeglass 4,5, make two-way laser spatially keeping parallelism and as close as possible (distance is less than 1mm).By selecting suitable coupled lens, advance in the optical fiber 7 the two-way laser coupled and output, optical fiber 7 terminal power outputs are reached more than the 60W, output frequency reaches more than the 40Hz.
Claims (4)
1, novel two-way holmium laser includes two groups of holmium laserresonators that are parallel to each other, and it is characterized in that: described first group of holmium laserresonator the place ahead is disposed with the first total reflection eyeglass, coupled lens and the reception optical fiber of 45 ° of inclinations; Described second group of holmium laserresonator the place ahead is provided with the second total reflection eyeglass of 45 ° of inclinations; The laser that first group of holmium laserresonator sends is close to the first speculum edge and is injected in the coupled lens, the laser that second group of holmium laserresonator sends enters in the coupled lens after the reflection through second speculum, the first speculum edge successively, two-way laser, is exported by optical fiber to fiber end face through the coupled lens post-concentration.
2, novel two-way holmium laser according to claim 1, it is characterized in that: described first speculum and second speculum are installed in respectively on the eyeglass adjustment rack of position and adjustable angle.
3, novel two-way holmium laser according to claim 1, it is characterized in that: described first speculum is semicircle eyeglass, the laser that described second group of holmium laserresonator sends is mapped to first speculum after through second mirror reflects and reflexes to coupled lens again near straight flange edge, the laser that described first group of holmium laserresonator sends and the laser of first mirror reflects is parallel to each other and two-way laser between distance less than 1mm.
4, novel two-way holmium laser according to claim 1 is characterized in that: two groups of holmium laserresonators are respectively by Cr, Tm, and Ho:YAG laser crystal, xenon lamp, laser pump cavity, ante-chamber eyeglass, back cavity eyeglass are formed; Described two groups of laser pump cavities adopt water route in parallel to cool off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201428849U CN201332212Y (en) | 2009-01-22 | 2009-01-22 | Novel two-way holmium laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201428849U CN201332212Y (en) | 2009-01-22 | 2009-01-22 | Novel two-way holmium laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332212Y true CN201332212Y (en) | 2009-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201428849U Expired - Lifetime CN201332212Y (en) | 2009-01-22 | 2009-01-22 | Novel two-way holmium laser |
Country Status (1)
| Country | Link |
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| CN (1) | CN201332212Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294080A (en) * | 2011-09-30 | 2011-12-28 | 南京乐翔科技发展有限公司 | Helium-neon laser treatment device and manufacturing method thereof |
| CN104849843A (en) * | 2014-02-14 | 2015-08-19 | 三菱电机株式会社 | Laser beam-combining optical device |
| CN106299993A (en) * | 2016-03-11 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Laser device and laser power monitor feedback method |
| CN106367925A (en) * | 2016-09-30 | 2017-02-01 | 无锡小天鹅股份有限公司 | Clothes processing device |
| CN109672077A (en) * | 2018-12-18 | 2019-04-23 | 中国科学院合肥物质科学研究院 | Burst pulse holmium laser |
| CN110780451A (en) * | 2019-11-14 | 2020-02-11 | 成都优博创通信技术股份有限公司 | Laser assembly and optical communication equipment |
-
2009
- 2009-01-22 CN CNU2009201428849U patent/CN201332212Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294080A (en) * | 2011-09-30 | 2011-12-28 | 南京乐翔科技发展有限公司 | Helium-neon laser treatment device and manufacturing method thereof |
| CN102294080B (en) * | 2011-09-30 | 2014-11-05 | 南京乐翔科技发展有限公司 | Helium-neon laser treatment device and manufacturing method thereof |
| CN104849843A (en) * | 2014-02-14 | 2015-08-19 | 三菱电机株式会社 | Laser beam-combining optical device |
| CN106299993A (en) * | 2016-03-11 | 2017-01-04 | 上海瑞柯恩激光技术有限公司 | Laser device and laser power monitor feedback method |
| CN106367925A (en) * | 2016-09-30 | 2017-02-01 | 无锡小天鹅股份有限公司 | Clothes processing device |
| CN109672077A (en) * | 2018-12-18 | 2019-04-23 | 中国科学院合肥物质科学研究院 | Burst pulse holmium laser |
| CN110780451A (en) * | 2019-11-14 | 2020-02-11 | 成都优博创通信技术股份有限公司 | Laser assembly and optical communication equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |