CN105490158A - Super-continuum spectrum optical fiber laser output apparatus and laser system - Google Patents
Super-continuum spectrum optical fiber laser output apparatus and laser system Download PDFInfo
- Publication number
- CN105490158A CN105490158A CN201510992631.0A CN201510992631A CN105490158A CN 105490158 A CN105490158 A CN 105490158A CN 201510992631 A CN201510992631 A CN 201510992631A CN 105490158 A CN105490158 A CN 105490158A
- Authority
- CN
- China
- Prior art keywords
- laser
- end cap
- output end
- output
- light echo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
Abstract
The invention provides a super-continuum spectrum optical fiber laser output apparatus and a laser system. The output apparatus comprises a laser transmission module, a returned-light processor, an optical stripper, a thermal processor and a packaging module; the laser transmission module comprises transmission optical fibers, an output end cap and a light beam focusing collimation part that are connected in sequence, and a photoelectric detector arranged on one side, close to the transmission optical fibers, of the output end cap; the photoelectric detector is used for monitoring the returned-light power at the output end of the output end cap; the returned-light processor is arranged on one side, connected with the transmission optical fibers, of the output end cap; the optical stripper is arranged on the transmission optical fibers close to the output end cap; the thermal process is arranged below the laser transmission module; and the packaging module is used for packaging the laser transmission module, the returned-light processor, the optical stripper and the thermal processor. According to the super-continuum spectrum optical fiber laser output apparatus, high-power and broadband spectrum stable laser output can be realized by performing special treatment on the output end of the whole apparatus, and by performing prompt processing on the returned light and thermal accumulation.
Description
Technical field
The present invention relates to laser optoelectronic technical field, particularly relate to a kind of high power super continuous spectrums optical-fiber laser output device and laser system.
Background technology
High power super continuous spectrums optical fiber source is a kind of new pattern laser light source with ultra-wide spectrum scope, compared with traditional wideband light source (as incandescent lamp, ASE light source, SLED light source), it is wider that it has spectral region, the advantages such as coherence is better, therefore have important application in a lot of field.As laser radar, telecommunications, medical imaging, the aspect such as spectrum analysis and optical metrology.In recent years, along with super continuous spectrums produces the development of technology, the power output level of optical fiber laser with super continuous spectrum rises to tens of watts by an initial watt level and even goes up hectowatt magnitude, and this just makes also to improve the technical requirement of optical fiber laser with super continuous spectrum output thereupon.
General fiber laser output device is only for single Wavelength design, and the output spectrum scope of optical fiber laser with super continuous spectrum covers ultraviolet band to infrared band, therefore existing optical-fiber laser output device cannot meet the application demand of super continuous spectrums Laser output.Secondly, when laser works under high power conditions, fiber-optic output face very easily causes fire damage because power density is excessive.Finally, output surface and the surperficial reflected light caused of laser works also can damage other optical fibre devices in Transmission Fibers and fiber laser, thus make laser cannot normal table work.In addition, under various operating conditions, the light echo power caused by the external world is also different for laser, if do not carry out Monitoring and forecasting system in real-time to laser light echo power, just likely causes permanent injury to laser.In sum, for high power optical fiber laser with super continuous spectrum, requiring that output device meets high power, wide spectral and stable these three kinds of characteristics of output simultaneously, is a technical barrier.
Summary of the invention
The technical problem to be solved in the present invention is: how to realize super continuous spectrums optical-fiber laser high power, wide spectral and stable output at super continuous spectrums laser output.
For achieving the above object, the invention provides a kind of super continuous spectrums optical-fiber laser output device, it is characterized in that, comprising:
Laser transmission module, light echo processor, photospallation device, annealer and package module, wherein said laser transmission module comprises the Transmission Fibers, output end cap and the light beam focussed collimated parts that connect successively, and being arranged on the photodetector of described output end cap near Transmission Fibers side, described photodetector is for detecting the light echo power of the output of described output end cap; Described light echo processor is arranged on the side of the described Transmission Fibers of connection of described output end cap, described photospallation device is arranged in the Transmission Fibers of described output end cap, described annealer is arranged on the below of described laser transmission module, and described package module is for encapsulating described laser transmission module, light echo processor, photospallation device and annealer.
Wherein, described device also comprises the optical fiber protective tube in the Transmission Fibers being arranged on described package module outside.
Wherein, described output device also comprises the fixed part being arranged on described package module outside, and described fixed part is used for described package module and other equipment to fix.
Wherein, one end be connected with Transmission Fibers of described output end cap is pyramidal structure, and the pyramidal structure of described output end cap is embedded in described light echo processor.
Wherein, described light echo processor annealer is set to column structure, and column structure end face is provided with the groove of the pyramidal structure holding described output end cap, another end face of described column structure has V-type groove, described photospallation device is arranged in described V-type groove.
Wherein, described photospallation device is attached in described Transmission Fibers.
Wherein, described annealer has the groove holding described Transmission Fibers and described photospallation device.
According to another aspect of the present invention, improve a kind of super continuous spectrums fiber laser system, it is characterized in that, comprise above-mentioned super continuous spectrums optical-fiber laser output device.
A kind of super continuous spectrums optical-fiber laser output device provided by the invention and laser system, by at fiber-optic output welding end cap, collimation focusing structure is placed in end cap front end, by carrying out photodetection to light echo, by light echo processor and annealer, the light echo in whole system work and heat accumulation are processed in time simultaneously, thus achieve the Laser output of high power wide spectral, and the optical power density of output end face can be reduced, improve facet damage threshold value, too increase exportable spectral width without rete end cap.Meanwhile, by this output device, make super continuum light compose fiber laser and can realize high power, the stable output of wide spectral laser, achieve the optical-fiber laser output device with focussed collimated characteristic and light echo power Monitoring and forecasting system in real-time function simultaneously.
Accompanying drawing explanation
Fig. 1 shows the structural representation of high power super continuous spectrums optical-fiber laser output device of the present invention;
Fig. 2 shows the syndeton schematic diagram of output end cap of the present invention and light echo processor;
Fig. 3 shows the position relationship schematic diagram of photospallation device of the present invention, Transmission Fibers and annealer.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Fig. 1 shows the structural representation of super continuous spectrums optical-fiber laser output device of the present invention.
With reference to Fig. 1, the super continuous spectrums optical-fiber laser output device of one embodiment of the present of invention, specifically comprises:
Laser transmission module, light echo processor 5, photospallation device 6, annealer 7 and package module 8, wherein, laser transmission module comprises the Transmission Fibers 3, output end cap 2 and the light beam focussed collimated parts 1 that connect successively, and is arranged on the photodetector 4 of the close Transmission Fibers side exporting end cap.
As shown in Figure 1, collimation focusing system 1 is positioned at transmission laser system foremost, can realize laser alignment and export, export end cap 2 and carry out introduced details with Transmission Fibers 3, reduce output end face optical power density, improve facet damage threshold value, the full spectral coverage Laser output of high power can be realized.
In further embodiment, export end cap 2 not do coating film treatment when making or plate appointment spectral coverage rete as required, full spectral coverage transmission or the transmission of part spectral coverage can be realized, and adopt optical fiber end cap fusion techniques Transmission Fibers 3 to be exported end cap 2 and carry out welding, reduce output end face optical power density, improve facet damage threshold value, add exportable spectral width, achieve the output of output device to the full spectral coverage laser of high power.
Photodetector 4 is placed in the oblique rear exporting end cap 2, by the light echo luminous power of the output of transmission ray in the detection laser course of work, realizes the Monitoring and forecasting system in real-time to light echo energy in laser.
In one embodiment, the one end be connected with Transmission Fibers exporting end cap is pyramidal structure, and as shown in Figure 2, and this taper laser is embedded in light echo processor 5.
Light echo processor 5 is arranged on the side of the connection Transmission Fibers 3 exporting end cap 2, namely be arranged on and export end cap 2 rear end, light echo processor 5 can be set to column structure, and column structure end face is provided with the groove that can hold the pyramidal structure exporting end cap, another end face is set to there is V-type groove, to hold photospallation device 6.
In one embodiment, the column structure of light echo processor can be set to cylinder, and arranges at the shaft core position of cylindrical a section groove holding the pyramidal structure exporting end cap; In addition, also can be set to interface is square main body, and the groove holding the pyramidal structure exporting end cap 2 is set in the centre position of end cap, by exporting the setting of the groove of the pyramidal structure of end cap 2 and the accommodation pyramidal structure of light echo processor 5, light echo processor 5 can be collected and export end cap 2 surface and the surperficial most of light echo caused of laser work, and with material absorption and heat conducting mode, light echo is dissipated, avoid the fire damage of light echo to other devices of output device inside, improve the operating power threshold value of super continuous spectrums output device.
As shown in Figure 3, photospallation device 6 is attached at Transmission Fibers 3 surface exporting end cap 2 rear end, and in one embodiment, one end away from output end cap of light echo processor 5 is provided with V-type groove, for holding photospallation device 6.
Photospallation device 6 is the laser revealed in Transmission Fibers 3 and output end cap 2 coupled zone in fiber cladding; and the fraction light echo that light echo processor 5 fails to collect completely is peeled off; avoid the damage of covering laser and light echo for the protection of Transmission Fibers coat, improve the stability under laser output device high-power operation.
Annealer 7 is arranged on the below of laser transmission module, for the treatment of the heat produced in the whole device course of work, ensure that the stable operation of laser output device high power.
In further embodiment, annealer 7 can be arranged to slab construction, as shown in Figure 3, and annealer 7 can be provided with the groove that can hold Transmission Fibers 3 and photospallation device 6, by arranging this groove, photospallation device 6 and transmission ray 3 can be contacted with annealer 7 to maximum area, thus the two heat produced can be processed expeditiously, thus keep the job stability of photospallation device 6.
In addition, the structure of annealer 7 also can be, bottom is set to slab construction, boss is provided with above slab construction, this boss is arranged to projective structure in the one end near light echo processor 5, and this projective structure extend in the V-type groove of light echo processor 5, thus annealer 7 and the contact area of light echo processor 5 can be increased, the heat of light echo processor 5 can be absorbed better.
Package module 8 is for encapsulating laser transmission module, light echo processor 5, photospallation device 6 and annealer 7.
Further, also comprise in package module 8 outside the optical fiber protective tube be also provided with for the protection of Transmission Fibers, as armor optical fiber protective tube, this optical fiber protective tube is fixed on the porch of the Transmission Fibers of package module 8, to protect Transmission Fibers.
In yet another embodiment, output device also comprises the fixed part (not shown) being arranged on package module 8 outside, as fixing snap close, for package module 8 and other equipment being fixed.
In another embodiment of the present invention, also propose a kind of super continuous spectrums fiber laser system, this system comprises above-mentioned super continuous spectrums optical-fiber laser output device.
Super continuous spectrums fiber laser system of the present invention, comprise high power super continuum light spectrum fiber laser and the fine laser output device of above-mentioned super continuum light, its operation principle is as follows:
When high power optical fiber laser with super continuous spectrum runs at high power, super continuous spectrums laser enters into described laser output device by Transmission Fibers, output facula expands by the output end cap without coating film treatment of Transmission Fibers front end, reduce the optical power density of output end face, achieve high power wide spectral Laser output.Super continuous spectrums laser enters into collimation focusing system after exporting end cap and exporting, and the collimation achieving laser exports, and can directly apply in the related application field of super continuous spectrums.
Further, the light echo major part that laser output device output end face reflection and laser work surface reflection cause enters in light echo processor 5, with material absorption and heat conducting mode, light echo is dissipated, avoid the fire damage of light echo to other devices of laser output device inside, ensure that described laser output device can under high power transmission condition steady operation.Fraction light echo enters into photodetector 4, achieves the Monitoring and forecasting system in real-time function to laser light echo power.Leaked into the laser of fiber cladding by the coupled zone exporting end cap 2 and Transmission Fibers 3, and do not divested by photospallation device 6 by the fraction light echo that light echo processor 5 is collected, reduce the damage to backward optical fiber coating.In addition, the net quantity of heat produced in the output device course of work is processed by annealer 7, ensure that the stable operation of laser output device high power.Front cover module 8 is outer with fixing snap close, can be used for being connected and fixed with other equipment.
A kind of high power super continuous spectrums optical-fiber laser output device provided by the invention and laser system, by at fiber-optic output welding end cap, collimation focusing structure is placed in end cap front end, by carrying out photodetection to light echo, by light echo processor and annealer, the light echo in whole system work and heat accumulation are processed in time simultaneously, thus achieve the output of high power wide spectral, and the optical power density exporting end cap can be reduced, improve facet damage threshold value, add exportable spectral width.Meanwhile, by this output device, make high continuous spectrum fiber laser can realize high power, the stable output of wide spectral laser, achieve the optical-fiber laser output device with focussed collimated characteristic and light echo power Monitoring and forecasting system in real-time function simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a super continuous spectrums optical-fiber laser output device, is characterized in that, comprising:
Laser transmission module, light echo processor, photospallation device, annealer and package module, wherein said laser transmission module comprises the Transmission Fibers, output end cap and the light beam focussed collimated parts that connect successively, and being arranged on the photodetector of described output end cap near Transmission Fibers side, described photodetector is for detecting the light echo power of the output of described output end cap; Described light echo processor is arranged on the side of the described Transmission Fibers of connection of described output end cap, described photospallation device is arranged in the Transmission Fibers of described output end cap, described annealer is arranged on the below of described laser transmission module, and described package module is for encapsulating described laser transmission module, light echo processor, photospallation device and annealer.
2. output device according to claim 1, is characterized in that, described device also comprises the optical fiber protective tube in the Transmission Fibers being arranged on described package module outside.
3. output device according to claim 1 and 2, is characterized in that, described output device also comprises the fixed part being arranged on described package module outside, and described fixed part is used for described package module and other equipment to fix.
4. output device according to claim 1, is characterized in that, one end that described output end cap is connected with described Transmission Fibers is pyramidal structure, and the pyramidal structure of described output end cap is embedded in described light echo processor.
5. output device according to claim 4, it is characterized in that, described light echo processor is set to column structure, and described column structure end face is provided with the groove of the pyramidal structure holding described output end cap, another end face of described column structure has V-type groove, and described photospallation device is arranged in described V-type groove.
6. output device according to claim 1, is characterized in that, described photospallation device is attached in described Transmission Fibers.
7. output device according to claim 1, is characterized in that, described annealer has the groove holding described Transmission Fibers and described photospallation device.
8. a super continuous spectrums fiber laser system, is characterized in that, comprises the super continuous spectrums optical-fiber laser output device described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992631.0A CN105490158A (en) | 2015-12-24 | 2015-12-24 | Super-continuum spectrum optical fiber laser output apparatus and laser system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510992631.0A CN105490158A (en) | 2015-12-24 | 2015-12-24 | Super-continuum spectrum optical fiber laser output apparatus and laser system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105490158A true CN105490158A (en) | 2016-04-13 |
Family
ID=55676980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510992631.0A Pending CN105490158A (en) | 2015-12-24 | 2015-12-24 | Super-continuum spectrum optical fiber laser output apparatus and laser system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490158A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124047A (en) * | 2016-06-14 | 2016-11-16 | 深圳市创鑫激光股份有限公司 | A kind of laser detection system |
| CN107462323A (en) * | 2017-10-10 | 2017-12-12 | 南京先进激光技术研究院 | A kind of high-capacity optical fiber laser light echo monitors optical module |
| CN109116322A (en) * | 2018-08-30 | 2019-01-01 | 挚感(苏州)光子科技有限公司 | A kind of displacement and the light echo removing method apart from laser radar system |
| CN111106512A (en) * | 2019-11-19 | 2020-05-05 | 大族激光科技产业集团股份有限公司 | Monitoring device, optical fiber laser and method for processing returned light |
| CN112051143A (en) * | 2020-08-04 | 2020-12-08 | 武汉光谷航天三江激光产业技术研究院有限公司 | Multi-parameter automatic testing device for optical fiber end cap |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203734128U (en) * | 2014-01-15 | 2014-07-23 | 光越科技(深圳)有限公司 | Large-power laser output head |
| US20150212387A1 (en) * | 2014-01-30 | 2015-07-30 | Rafael R. Gattass | Compact infrared broadband source |
| CN104882770A (en) * | 2015-06-10 | 2015-09-02 | 北京工业大学 | Fiber laser output head having light beam focusing characteristic and power monitoring function |
-
2015
- 2015-12-24 CN CN201510992631.0A patent/CN105490158A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203734128U (en) * | 2014-01-15 | 2014-07-23 | 光越科技(深圳)有限公司 | Large-power laser output head |
| US20150212387A1 (en) * | 2014-01-30 | 2015-07-30 | Rafael R. Gattass | Compact infrared broadband source |
| CN104882770A (en) * | 2015-06-10 | 2015-09-02 | 北京工业大学 | Fiber laser output head having light beam focusing characteristic and power monitoring function |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124047A (en) * | 2016-06-14 | 2016-11-16 | 深圳市创鑫激光股份有限公司 | A kind of laser detection system |
| CN107462323A (en) * | 2017-10-10 | 2017-12-12 | 南京先进激光技术研究院 | A kind of high-capacity optical fiber laser light echo monitors optical module |
| CN109116322A (en) * | 2018-08-30 | 2019-01-01 | 挚感(苏州)光子科技有限公司 | A kind of displacement and the light echo removing method apart from laser radar system |
| CN111106512A (en) * | 2019-11-19 | 2020-05-05 | 大族激光科技产业集团股份有限公司 | Monitoring device, optical fiber laser and method for processing returned light |
| CN112051143A (en) * | 2020-08-04 | 2020-12-08 | 武汉光谷航天三江激光产业技术研究院有限公司 | Multi-parameter automatic testing device for optical fiber end cap |
| CN112051143B (en) * | 2020-08-04 | 2023-12-15 | 武汉光谷航天三江激光产业技术研究院有限公司 | Multi-parameter automatic testing device for optical fiber end caps |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105490158A (en) | Super-continuum spectrum optical fiber laser output apparatus and laser system | |
| CN207456385U (en) | Projection module with Beam Monitoring unit | |
| KR102162811B1 (en) | Low-mode high power fiber combiner | |
| US7957438B2 (en) | Method and device for monitoring light | |
| EP2616209B1 (en) | Industrial high power fiber laser system with optical monitoring assembly | |
| CN101833150B (en) | Fiber coupling module of high-power semiconductor laser | |
| JP6205194B2 (en) | Optical receptacle and optical module | |
| CN104882770A (en) | Fiber laser output head having light beam focusing characteristic and power monitoring function | |
| EP2479594A1 (en) | Robust pigtail system for high power laser modules | |
| DE102012109088B4 (en) | Fiber optic conversion module | |
| CN103688204B (en) | Bonder for fiber waveguide | |
| CN105490141A (en) | Integrated high-power optical fiber laser output system with cladding light filtering function | |
| KR101493257B1 (en) | A beam combining device of multi-wavelength laser diodes | |
| CN109239848A (en) | A kind of optical-fiber bundling device | |
| CN102315586A (en) | Semiconductor laser module with multiple detection sensors and protection devices | |
| CN103944062A (en) | Semiconductor laser unit of single chip optical fiber coupling output | |
| CN102902029B (en) | Energy transmission optical cable for middle-power and small-power laser transmission | |
| CN103779765B (en) | A kind of optical fiber laser fiber-optic output package module | |
| CN202204965U (en) | Energy transfer optical cable for small and medium power laser transmission | |
| CN103282759A (en) | Sensor apparatus for detecting and monitoring a crack propagating through a structure | |
| CN214044336U (en) | Semiconductor laser | |
| US9687298B2 (en) | Light emitting device | |
| CN209044093U (en) | A kind of optical-fiber bundling device | |
| CN208076758U (en) | High-power optical fiber laser receiving and transmitting integrated end cap | |
| CN213023639U (en) | High-power optical fiber jumper wire structure and laser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |