CN201294327Y - Integral refrigerating device for barrel-type fibre-optical - Google Patents
Integral refrigerating device for barrel-type fibre-optical Download PDFInfo
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- CN201294327Y CN201294327Y CNU2008201557493U CN200820155749U CN201294327Y CN 201294327 Y CN201294327 Y CN 201294327Y CN U2008201557493 U CNU2008201557493 U CN U2008201557493U CN 200820155749 U CN200820155749 U CN 200820155749U CN 201294327 Y CN201294327 Y CN 201294327Y
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- optical fiber
- inner core
- urceolus
- barrel
- refrigeration
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Abstract
The utility model relates to a tubular fiber integral cooling device which is used for a high power fiber laser device to provide fiber cooling. The tubular fiber integral cooling device is characterized in that the device is composed of a multi-channel fiber cooling inner barrel and a multi-channel fiber cooling outer barrel, wherein inner barrel helical line semi-circular grooves are arranged on the outer surface of the multi-channel fiber cooling inner barrel, a plurality of inner barrel refrigerating water passages are arranged in the barrel body, two ends of the inner barrel refrigerating water passages are respectively provided with an inner barrel water inlet and an inner barrel water outlet, the barrel body of the multi-channel fiber cooling outer barrel is provided with a plurality of outer barrel refrigerating water passages, two ends are respectively provided with an outer barrel water inlet and an outer barrel water outlet, outer barrel helical line semi-circular grooves are arranged on the inner wall of the multi-channel fiber cooling outer barrel and are corresponding to the inner barrel helical line semi-circular grooves for closing and fixing the fiber, and the fiber forms good heat conducting relationship with the multi-channel fiber cooling inner barrel and the multi-channel fiber cooling outer barrel. The tubular fiber integral cooling device enables the high power fiber laser device to work in normal temperature range.
Description
Technical field
The utility model relates to high-capacity optical fiber laser, particularly a kind of integral refrigerating device for barrel-type optical fiber that is used for high-capacity optical fiber laser for the optical fiber refrigeration.
Background technology
When the double clad rare earth doped fiber is used for high power laser light output, laser medium in the optical fiber owing to be subjected to the thermal effect that the pump light effect is produced, cause that fiber optic temperature rises, cause shoot laser beam quality and decrease in efficiency (Wang, Y.Xu, C.Q.and Po, H. (2004) Thermaleffects in kilowatt fiber lasers.Photonics Technology Letters, IEEE 16,63-65.).
Summary of the invention
The purpose of this utility model is to provide a kind of optical fiber integrally cooling device, realize that the double clad rare earth doped fiber in the high-capacity optical fiber laser is operated in down in the normal temperature scope, guarantee the beam quality and the efficient of outgoing laser beam, that this device has is simple in structure, heat radiation evenly, characteristics such as refrigeration is obvious, practical.
Technical solution of the present utility model is as follows:
A kind of integral refrigerating device for barrel-type optical fiber that is used for high-capacity optical fiber laser for the optical fiber refrigeration, be characterized in: this device is made up of multichannel optical fiber refrigeration inner core and multichannel optical fiber refrigeration urceolus, the outer surface of described multichannel optical fiber refrigeration inner core is provided with inner core helical line semi-circle connected in star, have a plurality of inner core chilled water passages in the body, the two ends of this inner core chilled water passage are respectively inner core water inlet and inner core delivery port, described multichannel optical fiber urceolus simplified has a plurality of urceolus chilled water passages, two ends have urceolus water inlet and urceolus delivery port respectively, the inwall of this multichannel optical fiber urceolus is provided with urceolus helical line semi-circle connected in star and corresponding with described inner core helical line semi-circle connected in star, fix for described optical fiber driving fit, so that described optical fiber and described multichannel optical fiber refrigeration inner core and multichannel optical fiber refrigeration urceolus form good thermally conductive relation.
Described multichannel optical fiber refrigeration inner core and multichannel optical fiber freeze, and urceolus adopts copper or aluminium is made and d1≤d2, and wherein: d1 is the external diameter of multichannel optical fiber refrigeration inner core, and d2 is the internal diameter of multichannel optical fiber refrigeration urceolus.
The diameter of described inner core helical line semi-circle connected in star and urceolus helical line semi-circle connected in star is suitable with the diameter of described optical fiber, is used for described optical fiber winding driving fit and fixes.
Described a plurality of inner core chilled water passage communicates and forms is a cylindrical cavity thin walled shell, and its two ends have a plurality of inner core water inlets and a plurality of inner core delivery port.
Described a plurality of urceolus chilled water passage communicates and forms is a cylindrical cavity thin walled shell, and its two ends have a plurality of inner core water inlets and a plurality of inner core delivery port.
The utility model integral refrigerating device for barrel-type optical fiber is to utilize heat-conduction effect, by the double clad rare earth doped fiber in the high-capacity optical fiber laser being carried out the surface cool heat radiation, realizes the steady operation of fiber laser under high power conditions.The double clad rare earth doped fiber is fixed in the Baltimore groove of multichannel optical fiber refrigeration outer tube inner wall, utilizes multichannel refrigeration inner core again,, the double clad rare earth doped fiber is fixed in the groove in the inner/outer tube by mutual rotation.Chilled water flows into by the multichannel water inlet on the inner/outer tube, utilize heat-conduction effect, the heat that produces when the double clad rare earth doped fiber is worked imports in the chilled water, and the chilled water that has absorbed heat flows out through delivery port again, thereby realizes the cooling to the double clad rare earth doped fiber.
Description of drawings
Fig. 1 is the inner tube structure schematic diagram of the utility model integral refrigerating device for barrel-type optical fiber.
Fig. 2 is the outer tube structure schematic diagram of the utility model integral refrigerating device for barrel-type optical fiber.
Fig. 3 is the utility model integral refrigerating device for barrel-type optical fiber stereoscopic figure
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing, but should not limit protection range of the present utility model with this.
See also Fig. 1, Fig. 2 and Fig. 3, Fig. 1, Fig. 2 are respectively inner tube structure schematic diagram and the outer tube structure schematic diagrames of an embodiment of the utility model integral refrigerating device for barrel-type optical fiber, as seen from the figure, the utility model integral refrigerating device for barrel-type optical fiber is made of multichannel optical fiber refrigeration inner core 1 and multichannel optical fiber refrigeration urceolus 2.Have a plurality of inner core chilled water passages 12 in the body of described multichannel optical fiber refrigeration inner core 1, the two ends of this inner core chilled water passage 12 are respectively inner core water inlet 11, inner core delivery port 13, outer surface at multichannel optical fiber refrigeration inner core 1 is provided with inner core helical line semi-circle connected in star 14, the cylindrical shell of described multichannel optical fiber refrigeration urceolus 2 has a plurality of urceolus chilled water passages 22, two ends have urceolus water inlet 21 and urceolus delivery port 23 respectively, the inwall of this multichannel optical fiber refrigeration urceolus 2 is provided with urceolus helical line semi-circle connected in star 24 and corresponding with described inner core helical line semi-circle connected in star 14, fix for described optical fiber driving fit, so that described optical fiber and described multichannel optical fiber refrigeration inner core 1 and multichannel optical fiber refrigeration urceolus 2 form good thermally conductive relation.
Described multichannel optical fiber refrigeration inner core 1 and multichannel optical fiber refrigeration urceolus 2 are made of copper and d1≤d2, and wherein: d1 is the external diameter of multichannel optical fiber refrigeration inner core 1, and d2 is the internal diameter of multichannel optical fiber refrigeration urceolus 2.
The diameter of described inner core helical line semi-circle connected in star 14 and urceolus helical line semi-circle connected in star 24 is suitable with the diameter of described optical fiber, is used for described optical fiber winding driving fit and fixes.
During use: the double clad rare earth doped fiber is fixed in the urceolus helical line semi-circle connected in star 24 of described multichannel optical fiber refrigeration urceolus 2 inwalls, the common convex tooth that constitutes semicircle shape, utilize described multichannel refrigeration inner core 1 again, by mutual rotation, the double clad rare earth doped fiber is fixed between the groove in multichannel optical fiber refrigeration inner core 1 and the multichannel optical fiber refrigeration urceolus 2.Chilled water flows into by multichannel inner core water inlet 11 on the inner/outer tube and urceolus water inlet 21, utilize heat-conduction effect, in the heat importing inner core chilled water passage 12 and the chilled water that flows in the urceolus chilled water passage 22 that produces when the double clad rare earth doped fiber is worked, the chilled water that has absorbed heat flows out through inner core delivery port 13 and urceolus delivery port 23 again, thereby realizes the cooling to the double clad rare earth doped fiber.The utility model can make in the high-capacity optical fiber laser that operation material---the double clad rare earth doped fiber is operated in the normal temperature range.
Lifting a specific embodiment below is described below:
Adopting doubly clad optical fiber length is 7.5m, and Yb mixes in the fibre core
3+, fibre diameter is 1mm, and inner cladding is of a size of 100 * 200 μ m (NA=0.47), and core diameter is 25 μ m (NA=0.16); Multichannel optical fiber refrigeration inner core 1 diameter is 10cm, high 15cm, and the diameter of inner core helical line semi-circle connected in star 14 is 1mm, the inner core cooling-water duct 12 that 8 diameters are arranged in the inner core is 15mm; Multichannel optical fiber refrigeration urceolus 2 internal diameters are 10cm, external diameter 12cm, high 15cm, the diameter of urceolus helical line semi-circle connected in star 24 is 1mm, the urceolus cooling-water duct 22 that 8 diameters are arranged in the urceolus is 10mm, suitably the pressure of Control Circulation chilled water can be reconciled the temperature when controlling doubly clad optical fiber work.
Claims (5)
1, a kind of integral refrigerating device for barrel-type optical fiber that is used for high-capacity optical fiber laser for the optical fiber refrigeration, it is characterized in that: form by multichannel optical fiber refrigeration inner core (1) and multichannel optical fiber refrigeration urceolus (2), have a plurality of inner core chilled water passages (12) in the body of described multichannel optical fiber refrigeration inner core (1), the two ends of this inner core chilled water passage (12) are respectively inner core water inlet (11), inner core delivery port (13), outer surface at multichannel optical fiber refrigeration inner core (1) is provided with inner core helical line semi-circle connected in star (14), the cylindrical shell of described multichannel optical fiber urceolus (2) has a plurality of urceolus chilled water passages (22), two ends have urceolus water inlet (21) and urceolus delivery port (23) respectively, the inwall of this multichannel optical fiber urceolus (2) is provided with urceolus helical line semi-circle connected in star (24) and corresponding with described inner core helical line semi-circle connected in star (14), fix for described optical fiber driving fit, so that described optical fiber and described multichannel optical fiber refrigeration inner core (1) and multichannel optical fiber refrigeration urceolus (2) form good thermally conductive relation.
2, integral refrigerating device for barrel-type optical fiber according to claim 1, urceolus (2) adopts copper or aluminium is made and d1≤d2 to it is characterized in that freezing described multichannel optical fiber refrigeration inner core (1) and multichannel optical fiber, wherein: d1 is the external diameter of multichannel optical fiber refrigeration inner core (1), and d2 is the internal diameter of multichannel optical fiber refrigeration urceolus (2).
3, integral refrigerating device for barrel-type optical fiber according to claim 1, the diameter that it is characterized in that the diameter of described inner core helical line semi-circle connected in star (14) and urceolus helical line semi-circle connected in star (24) and described optical fiber is suitable, is used for described optical fiber and twines driving fit and fix.
4, integral refrigerating device for barrel-type optical fiber according to claim 1, it is characterized in that communicating described a plurality of inner core chilled water passages (12), to form be a cylindrical cavity thin walled shell, and its two ends have a plurality of inner core water inlets (11) and a plurality of inner core delivery port (13).
5, integral refrigerating device for barrel-type optical fiber according to claim 1, it is characterized in that communicating described a plurality of urceolus chilled water passages (22), to form be a cylindrical cavity thin walled shell, and its two ends have a plurality of inner core water inlets (21) and a plurality of inner core delivery port (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201557493U CN201294327Y (en) | 2008-11-21 | 2008-11-21 | Integral refrigerating device for barrel-type fibre-optical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201557493U CN201294327Y (en) | 2008-11-21 | 2008-11-21 | Integral refrigerating device for barrel-type fibre-optical |
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| Publication Number | Publication Date |
|---|---|
| CN201294327Y true CN201294327Y (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201557493U Expired - Lifetime CN201294327Y (en) | 2008-11-21 | 2008-11-21 | Integral refrigerating device for barrel-type fibre-optical |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100581009C (en) * | 2008-10-22 | 2010-01-13 | 中国科学院上海光学精密机械研究所 | Integral refrigerating device for barrel-type optical fiber |
| CN102496841A (en) * | 2011-12-12 | 2012-06-13 | 深圳市大族激光科技股份有限公司 | Optical fiber tray |
| CN102751647A (en) * | 2012-06-15 | 2012-10-24 | 北京国科世纪激光技术有限公司 | Optical fiber coiling device |
| CN104086095A (en) * | 2014-07-15 | 2014-10-08 | 成都中住光纤有限公司 | Centre-permeable optical fiber processing device and using method thereof |
| CN107453192A (en) * | 2017-08-09 | 2017-12-08 | 西南技术物理研究所 | A kind of high-capacity optical fiber laser liquid cooling heat radiation system |
| CN108306171A (en) * | 2018-03-04 | 2018-07-20 | 南京理工大学 | Optical fiber laser monitoring and protecting device and guard method |
-
2008
- 2008-11-21 CN CNU2008201557493U patent/CN201294327Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100581009C (en) * | 2008-10-22 | 2010-01-13 | 中国科学院上海光学精密机械研究所 | Integral refrigerating device for barrel-type optical fiber |
| CN102496841A (en) * | 2011-12-12 | 2012-06-13 | 深圳市大族激光科技股份有限公司 | Optical fiber tray |
| CN102751647A (en) * | 2012-06-15 | 2012-10-24 | 北京国科世纪激光技术有限公司 | Optical fiber coiling device |
| CN104086095A (en) * | 2014-07-15 | 2014-10-08 | 成都中住光纤有限公司 | Centre-permeable optical fiber processing device and using method thereof |
| CN107453192A (en) * | 2017-08-09 | 2017-12-08 | 西南技术物理研究所 | A kind of high-capacity optical fiber laser liquid cooling heat radiation system |
| CN107453192B (en) * | 2017-08-09 | 2019-09-27 | 西南技术物理研究所 | A kind of high-capacity optical fiber laser liquid cooling heat radiation system |
| CN108306171A (en) * | 2018-03-04 | 2018-07-20 | 南京理工大学 | Optical fiber laser monitoring and protecting device and guard method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081121 |
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| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20081121 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |