CN200987035Y - Wind cooled end surface pumped laser - Google Patents
Wind cooled end surface pumped laser Download PDFInfo
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- CN200987035Y CN200987035Y CN 200620145476 CN200620145476U CN200987035Y CN 200987035 Y CN200987035 Y CN 200987035Y CN 200620145476 CN200620145476 CN 200620145476 CN 200620145476 U CN200620145476 U CN 200620145476U CN 200987035 Y CN200987035 Y CN 200987035Y
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Abstract
The utility model relates to a wind cooling end-pumped laser, which comprises an outer optical path unit provided with a perfect reflecting mirror adjusting the outer optical path; a laser unit provided with a laser component, a pumping source and a semi-conductor thermoelectric refrigerating unit; an electric unit provided with a thermoelectric refrigerator electric control and a laser diode and a fan and a heat-radiating fin. The electric unit and the fan and the heat-radiating fin are positioned on the upper part of the outer optical path unit and the laser unit. The outer optical path unit and the laser unit is close to the heat-absorbing end of the temperature control part. The fan and the heat-radiating fin are positioned on the heat-radiating end of the temperature control part. The whole laser cavity of the utility model adopts the all-in-one design and changes the way by which the past giant water chilling machine cools water, and has a tight and simple structure and a small volume. The adoption of the semi-conductor thermoelectric refrigerator as the water chilling element makes the energy-consumption low and the efficiency high and gives a good heat-radiating effect of the whole laser. The temperature control is accurate. The utility model especially applies to laser performance and various indoor song-and-dance halls.
Description
[technical field]
The utility model relates to a kind of laser components and parts, especially about a kind of air-cooled end-face pump solid laser.
[technical background]
The solid state laser of conventional lights pumping, pumping efficiency are about 3% to 6%.A large amount of Conversion of energy that pumping lamp is launched are heat energy, not only cause solid state laser need adopt heavy cooling system, and a large amount of heat energy thermal lensing effect that can cause operation material to eliminate, and make the beam quality variation.The life-span of pumping lamp is about 300 hours in addition, and operating personnel need spend a lot of times to change lamp continually, and interrupt system work reduces the efficient of automatic production line greatly.With the conventional lights pump laser relatively, semiconductor pump laser has the following advantages: conversion efficiency height, dependable performance, characteristics such as the life-span is long, output beam quality is good.
In semiconductor pumped laser, traditional laser almost all makes the water cooling that circulates, cooling-water machine can only be controlled under same temperature, need under different temperature, control respectively at laser diode, laser crystal, frequency-doubling crystal in the end pumping colour solid laser, just can only increase the quantity of cooling-water machine, inevitably there is the bulky and problem such as quantity is many, energy consumption is big, noise is big of cooling-water machine in this.
[utility model content]
The purpose of this utility model provides that a kind of compact conformation is succinct, volume is little, perfect heat-dissipating, temperature control precisely, light light conversion efficiency height, the air-cooled end-pumped laser that performance steady in a long-term is good.
Another purpose of the present utility model provides a kind of method of regulating the laser camera lens.
According to the utility model, this laser comprises, comprises the outer optical path unit that is provided with the total reflective mirror of regulating outer light path; Be provided with the laser cell of laser components and parts, pumping source, semiconductor thermoelectric refrigeration device; Be provided with the electric unit of thermoelectric refrigerating unit electrical control and laser diode driver, and fan and radiating fin; Described electric unit reaches the top that fan 04 and radiating fin place outer optical path unit and laser cell, and wherein, outer optical path unit and laser cell are pressed close to the heat absorbing end that temperature control part divides, and fan and radiating fin are located at the radiating end that temperature control part divides.
According to preferred embodiment of the present utility model, the radiating fin in the described laser place fan above, the right side is equipped with electric unit.
According to another preferred embodiment of the present utility model, radiating fin and fan are established in the electric unit left and right sides in the described laser, and radiating fin place fan above.
According to another preferred embodiment of the present utility model, the radiating fin in the described laser place fan above, the left side is equipped with electric unit.
According to another preferred embodiment of the present utility model, described laser pumping source is a laser diode.
According to another preferred embodiment of the present utility model, described thermoelectric refrigerating unit is the semiconductor thermoelectric refrigeration device of electromagnetic compatibility.
The technique effect that the utility model reached is, whole laser is the integrated design, and compact conformation is succinct, and volume is little; Utilize the semiconductor thermoelectric refrigeration device as cooling module, whole laser good heat dissipation effect, temperature control is precisely operated easy to carry.
[description of drawings]
The utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the cooling principle schematic diagram of the semiconductor thermoelectric refrigeration device of the utility model full wind cooling type end pump laser.
Fig. 2 is the structure chart of first embodiment of the utility model full wind cooling type end pump laser.
Fig. 3 is the structure chart of second embodiment of the utility model full wind cooling type end pump laser.
Fig. 4 is the structure chart of the 3rd embodiment of the utility model full wind cooling type end pump laser.
[embodiment]
As shown in Figure 2, the air-cooled end-pumped laser of the utility model comprises the outer optical path unit 01 that is provided with the total reflective mirror of regulating outer light path; Be provided with the laser cell 02 of laser components and parts, pumping source, semiconductor thermoelectric refrigeration device; Be provided with the electric unit (03) of thermoelectric refrigerating unit electrical control and laser diode driver, and fan 04 and radiating fin 05; Described electric unit 03 and fan 04 and radiating fin 05 place the top of outer optical path unit 01 and laser cell 02, wherein, outer optical path unit 01 and laser cell 02 are pressed close to temperature control part and are divided 20 heat absorbing end, and fan 04 and radiating fin 05 are located at temperature control part and are divided 20 radiating end.As shown in Figure 1, the semiconductor thermoelectric refrigeration device that the utility model adopted is as the cooling module of temperature control equipment, its operation principle is as follows: give the semiconductor thermoelectric refrigeration device logical direct current, orientation by means of charge carrier in the direct current moves, heat with refrigerator moves to the other end from an end respectively, realized the heat absorption of refrigerator one end and the refrigeration effect of other end heat radiation, by galvanic its temperature of current value may command of accurate control.In the present embodiment, we just heater element place the heat absorbing end of semiconductor thermoelectric refrigeration device, the heat to semiconductor thermoelectric refrigerating unit radiating end in time scatters simultaneously, just can reach the purpose of cooling heating element.As shown in Figure 1, the optics (being heater element) 10 that need are cooled off is installed in the heat absorbing end of semiconductor thermoelectric refrigeration device 20, and radiating fin 30 is contained in the radiating end of semiconductor thermoelectric refrigeration device 20, but semiconductor thermoelectric refrigeration device 20 is drawn the lead external direct current power supply.Radiating fin in the described laser place fan above, the right side is equipped with electric unit.
Fig. 3 is the structure chart of another embodiment of the present utility model, according to this embodiment, we design radiating fin and fan are established in the electric unit left and right sides in the laser, and radiating fin place fan above, the construction unit of other of laser is identical with the described structure of Fig. 2.
Fig. 4 is the structure chart of another embodiment of the present utility model, according to this embodiment, we design the radiating fin in the laser place fan above, the left side is equipped with electric unit.Other construction units of laser are identical with the described structure of Fig. 2.
In the overall construction design of air-cooled end-pumped laser of the present utility model, the heat radiation of considering the components and parts that respectively generate heat needs, whole laser element employing integral structure needs, the different needs of each parts sealing grade, with its layout is four major parts: outer optical path unit 01, laser cell 02, electric unit 03, fan 04 and radiating fin 05.Because laser cell 02 needs sealing, and outer optical path unit 01 does not need sealing, and will be beneficial to the outer light path of debugging, so outer optical path unit is independent; Laser cell 02 is made up of laser components and parts, pumping source, semiconductor thermoelectric refrigeration device, is the place that laser produces, its cavity machining accuracy height of the designing requirement of this unit, good seal performance.Laser cell 02 is as the installation cavity of laser pumping source 1, not only require sealing fully, but also will accurately control its temperature, because in whole laser, the heat maximum that is produced during laser diode pumping source work needs instant heat with its generation to scatter; Laser cell 02 and electric unit 03 are integrated each temperature control equipment or control device needs good Electro Magnetic Compatibility; The effect of radiating fin 05 and fan 04 is to the hot-side heat dissipation that is installed in laser crystal, frequency-doubling crystal and laser diode in the laser cell 02, so need enough heat-sinking capabilities, so radiating fin 05 being designed to spacing in an embodiment is 3mm, fin is thick to be the structure of 2mm, increases the area of dissipation of radiating fin.Structure-integrated in order to guarantee, heat is produced a less end be designed to electric control unit 03, the electric control system of laser diode, semiconductor thermoelectric refrigeration device all is installed in this chamber.
The utility model adopts semiconductor laser diode as laser pumping source, and all heater elements fully all adopt air-cooled mode, by machinery and optical design cleverly, make that its compact conformation is succinct, volume is little, and stability is high, and temperature control is accurate.The light light conversion efficiency surpasses 45%, and long-time stability are less than 1%, and its technology has been filled up domestic blank, and properties of product are reached advanced world standards.
Claims (6)
1. air-cooled end-pumped laser is characterized in that: described laser comprises the outer optical path unit (01) that is provided with the total reflective mirror of regulating outer light path;
Be provided with the laser cell (02) of laser components and parts, pumping source, semiconductor thermoelectric refrigeration device;
Be provided with the electric unit (03) of thermoelectric refrigerating unit electrical control and laser diode driver, and fan (04) and radiating fin (05);
Described electric unit (03), reach the top that fan (04) and radiating fin (05) place outer optical path unit (01) and laser cell (02), wherein, the heat absorbing end that outer optical path unit (01) and laser cell (02) are pressed close to temperature control part branch (20), fan (04) and radiating fin (05) are located at the radiating end of temperature control part branch (20).
2. air-cooled end-pumped laser as claimed in claim 1 is characterized in that: the radiating fin (05) in the described laser place fan (04) above, the right side is equipped with electric unit (03).
3. air-cooled end-pumped laser as claimed in claim 1 is characterized in that: radiating fin (05) and fan (04) are established in electric unit (03) left and right sides in the described laser, and radiating fin (05) place fan (04) above.
4. air-cooled end-pumped laser as claimed in claim 1 is characterized in that: the radiating fin (05) in the described laser place fan (04) above, the left side is equipped with electric unit (03).
5. as the described air-cooled end-pumped laser of the arbitrary claim of claim 1-4, it is characterized in that: described laser pumping source is a laser diode.
6. as the described air-cooled end-pumped laser of the arbitrary claim of claim 1-4, it is characterized in that: described thermoelectric refrigerating unit is the semiconductor thermoelectric refrigeration device of electromagnetic compatibility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620145476 CN200987035Y (en) | 2006-12-30 | 2006-12-30 | Wind cooled end surface pumped laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620145476 CN200987035Y (en) | 2006-12-30 | 2006-12-30 | Wind cooled end surface pumped laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200987035Y true CN200987035Y (en) | 2007-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620145476 Expired - Lifetime CN200987035Y (en) | 2006-12-30 | 2006-12-30 | Wind cooled end surface pumped laser |
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| Country | Link |
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| CN (1) | CN200987035Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022868A (en) * | 2012-12-25 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Pulse optical fiber laser |
| CN103869373A (en) * | 2012-12-12 | 2014-06-18 | 上海精密计量测试研究所 | Detection method of optical pumping magnetic measuring device |
| CN103921000A (en) * | 2014-03-13 | 2014-07-16 | 合肥亚澳激光科技有限公司 | Laser marking machine |
| CN109687261A (en) * | 2019-01-31 | 2019-04-26 | 武汉锐科光纤激光技术股份有限公司 | Strike-machine device for middle power pulse optical fiber laser |
| CN112350140A (en) * | 2020-10-23 | 2021-02-09 | 密尔医疗科技(深圳)有限公司 | Mixed mode pulse laser |
| CN113437624A (en) * | 2021-06-22 | 2021-09-24 | 罗根激光科技（武汉）有限公司 | Internal active temperature control heat dissipation module and method for all-in-one air-cooled solid laser |
| CN115189222A (en) * | 2022-09-08 | 2022-10-14 | 北京融为科技有限公司 | Laser transceiver with high-reliability temperature control structure and optical telescope |
-
2006
- 2006-12-30 CN CN 200620145476 patent/CN200987035Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869373A (en) * | 2012-12-12 | 2014-06-18 | 上海精密计量测试研究所 | Detection method of optical pumping magnetic measuring device |
| CN103022868A (en) * | 2012-12-25 | 2013-04-03 | 中国电子科技集团公司第十一研究所 | Pulse optical fiber laser |
| CN103921000A (en) * | 2014-03-13 | 2014-07-16 | 合肥亚澳激光科技有限公司 | Laser marking machine |
| CN109687261A (en) * | 2019-01-31 | 2019-04-26 | 武汉锐科光纤激光技术股份有限公司 | Strike-machine device for middle power pulse optical fiber laser |
| CN112350140A (en) * | 2020-10-23 | 2021-02-09 | 密尔医疗科技(深圳)有限公司 | Mixed mode pulse laser |
| CN113437624A (en) * | 2021-06-22 | 2021-09-24 | 罗根激光科技（武汉）有限公司 | Internal active temperature control heat dissipation module and method for all-in-one air-cooled solid laser |
| CN115189222A (en) * | 2022-09-08 | 2022-10-14 | 北京融为科技有限公司 | Laser transceiver with high-reliability temperature control structure and optical telescope |
| CN115189222B (en) * | 2022-09-08 | 2022-12-20 | 北京融为科技有限公司 | Laser transceiver with high-reliability temperature control structure and optical telescope |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071205 |
|
| EXPY | Termination of patent right or utility model |