CN107678104A - A kind of indication laser coupling device and its method of adjustment - Google Patents
A kind of indication laser coupling device and its method of adjustment Download PDFInfo
- Publication number
- CN107678104A CN107678104A CN201610621563.1A CN201610621563A CN107678104A CN 107678104 A CN107678104 A CN 107678104A CN 201610621563 A CN201610621563 A CN 201610621563A CN 107678104 A CN107678104 A CN 107678104A
- Authority
- CN
- China
- Prior art keywords
- glass tube
- speculum
- semiconductor laser
- encapsulating package
- coupling device
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Abstract
The invention discloses a kind of indication laser coupling device and its method of adjustment, including encapsulating package, semiconductor laser, microcobjective, speculum, glass tube and optical fiber, semiconductor laser and microcobjective are arranged in encapsulating package, encapsulating package outer wall is provided with a light echo power detection hole, on the light direction of semiconductor laser, set gradually microcobjective and speculum, angle be present in the optical axis of speculum and semiconductor laser, encapsulating package is stretched into glass tube one end, and on the reflected light path of speculum, the other end is located at outside encapsulating package, optical fiber passes through glass tube hub；Light echo power detection hole is located on same optical axis with glass tube.Simple in construction, small volume of the invention, it is easy to adjust, save the time and cost is relatively low, coupling efficiency is high, and can detect light echo power.
Description
Technical field
The invention belongs to fiber laser technology field, and in particular to a kind of indication laser coupling device and its method of adjustment.
Background technology
The visible rays such as light generally use feux rouges, green glow are indicated, it plays the role of important to optical fiber laser.Firstly, for non-visible light laser, it is necessary to which its subsequent optical path is adjusted with visible instruction light, and because instruction luminous power is low, the risk of superpower laser optical path adjusting also greatly reduces in this.Also, for optical fiber laser, by indicating that light can also easily check the breakpoint in optical fiber, damage etc., facilitate the M R of laser.
Laser fiber-optic transmission technology is that the laser coupled of laser output is made into a kind of technology that it propagates in a fiber into optical fiber.The efficiency of transmission of laser in a fiber is mainly by the numerical aperture of optical fiber（NA）, fiber size and laser fiber coupling state quality determine.After optical fiber is selected, couple state is just into determinant.
The A of Chinese patent CN 10421697 are disclosed《A kind of instruction light generating apparatus of optical fiber laser》, mainly it will indicate that optical coupling is entered in optical fiber by beam shaping telescope, and the presence or absence of instruction light is controlled by frequency-doubling crystal, although the principle of device is simple in construction, the problems such as regulation is difficult, and stability is bad be present.
The A of Chinese patent CN 104810711 are disclosed《A kind of high-power all-fiber laser pilot light device》, instruction light is injected in all -fiber link mainly by high power annular equipment, and can effectively dispose the reverse signal light in optical fiber chain.Although the device can dispose light echo, its is complicated, and volume is big and cost is high.
The content of the invention
It is an object of the invention to provide a kind of indication laser coupling device and its method of adjustment, solves the problems, such as that non-visible light laser light path adjustment difficulty is big, and can simply and easily measure light echo power.
The technical solution for realizing the object of the invention is：A kind of indication laser coupling device, including encapsulating package, semiconductor laser, microcobjective, speculum, glass tube and optical fiber, semiconductor laser and microcobjective are arranged in encapsulating package, encapsulating package outer wall is provided with a light echo power detection hole, on the light direction of semiconductor laser, set gradually microcobjective and speculum, angle be present in the optical axis of speculum and semiconductor laser, encapsulating package is stretched into glass tube one end, and on the reflected light path of speculum, the other end is located at outside encapsulating package, and optical fiber passes through glass tube hub；Light echo power detection hole is located on same optical axis with glass tube.
The light echo power detection hole is located at the both sides of speculum with glass tube.
The semiconductor laser uses the sensitive visible red of human eye, and power is hundred milliwatts, and its angle of divergence is adjustable.
The microcobjective is focusing convex lens.
The reflecting surface plated film of the speculum, visible red is reflected, to infrared transmission.
The glass tube is the diameter that internal diameter is more than optical fiber.
Wherein the optical axis included angle of speculum and semiconductor laser is 45 degree.
The indication laser coupling device, in addition to six-dimensional adjusting support, when adjusting light path, glass tube is located at the end outside encapsulating package and is fixed on six-dimensional adjusting support, six dimensions of glass tube are adjusted by six-dimensional adjusting support, to reach six dimensions of adjustment optical fiber.
A kind of method of adjustment of indication laser coupling device, set-up procedure are as follows：
Step 1, the angle of divergence for adjusting semiconductor laser, and be fixed in encapsulating package；
Step 2, on semiconductor laser light direction, setting microcobjective and speculum near and far；
Step 3, optical fiber passed through into glass tube, and be connected with glass tube, glass tube one end is arranged in encapsulating package, optical fiber exposes end 3mm ~ 10mm of the glass tube in encapsulating package；
The end that step 4, glass tube are located at outside encapsulating package is fixed on six-dimensional adjusting support, and six dimensions of glass tube are adjusted by six-dimensional adjusting support, to reach six dimensions of adjustment optical fiber；
Step 5, open semiconductor laser, so that the instruction light that semiconductor laser is sent is focused on speculum through microcobjective, reflected again through speculum, by six dimensions for adjusting the glass tube on six-dimensional adjusting support so that the optical coupling of speculum reflection is entered in optical fiber；
Step 6, glass tube and encapsulating package be connected, remove six-dimensional adjusting support.
Wherein the optical axis included angle of speculum and semiconductor laser is 45 degree.
Compared with prior art, its remarkable advantage is the present invention：Simple in construction, small volume is easy to adjust, saves the time and cost is relatively low, coupling efficiency is high, and can detect light echo power.
Brief description of the drawings
Fig. 1 is the structural representation of indication laser coupling device of the present invention.
Wherein：1. package casing, 2. semiconductor lasers, 3. instruction light, 4. microcobjectives, 5. light echo power detection holes, 6. speculums, 7. glass tubes, 8. optical fiber, 9. six-dimensional adjusting supports.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1, a kind of indication laser coupling device, including encapsulating package 1, semiconductor laser 2, microcobjective 4, speculum 6, glass tube 7 and optical fiber 8, semiconductor laser 2 and microcobjective 4 are arranged in encapsulating package 1, the outer wall of encapsulating package 1 is provided with a light echo power detection hole 5, on the light direction of semiconductor laser 2, microcobjective 4 and speculum 6 are fixed successively, angle be present in the optical axis of speculum 6 and semiconductor laser 2, the one end of glass tube 7 is fixed on encapsulating package 1, and on the reflected light path of speculum 6, the other end is located at outside encapsulating package 1, optical fiber 8 passes through the center of glass tube 7, it is and fixed；Light echo power detection hole 5 is located on same optical axis with glass tube 7.
The light echo power detection hole 5 is located at the both sides of speculum 6 with glass tube 7.
The semiconductor laser 2 uses the sensitive visible red of human eye, and power is hundred milliwatts, and its angle of divergence is adjustable.
The microcobjective 4 is focusing convex lens.
The reflecting surface plated film of the speculum 6, visible red is reflected, to infrared transmission.
The glass tube 7 is the diameter that internal diameter is more than optical fiber 8.
The optical axis included angle of wherein speculum 6 and semiconductor laser 2 is 45 degree.
Described indication laser coupling device, also include six-dimensional adjusting support 9, when adjusting light path, glass tube 7 is located at the end outside encapsulating package 1 and is fixed on six-dimensional adjusting support 9, six dimensions of glass tube 7 are adjusted by six-dimensional adjusting support 9, to reach six dimensions of adjustment optical fiber 8.
A kind of method of adjustment of indication laser coupling device, set-up procedure are as follows：
Step 1, the angle of divergence for adjusting semiconductor laser 2, and be fixed in encapsulating package 1.
Step 2, on the light direction of semiconductor laser 2, the optical axis included angle of fixed microcobjective 4 and speculum 6 near and far, wherein speculum 6 and semiconductor laser 2 is 45 degree.
Step 3, optical fiber 8 is passed through to glass tube 7, and it is fixed, the one end of glass tube 7 is arranged in encapsulating package 1, optical fiber 8 exposes end 3mm ~ 10mm of the glass tube 7 in encapsulating package 1.
The end that step 4, glass tube 7 are located at outside encapsulating package 1 is fixed on six-dimensional adjusting support 9, by adjusting six dimensions of the glass tube 7 on six-dimensional adjusting support 9, to reach six dimensions of adjustment optical fiber 8.
Step 5, open semiconductor laser 2, so that the instruction light 3 that semiconductor laser 2 is sent is focused on speculum 6 through microcobjective 4, reflected again through speculum 6, by six dimensions for adjusting the glass tube 7 on six-dimensional adjusting support 9 so that the optical coupling that speculum 6 reflects is entered in optical fiber 8.
Step 6, glass tube 7 and encapsulating package 1 be connected, remove six-dimensional adjusting support 9.
Indication laser coupling device of the present invention is used for the light path for adjusting laser, and back-ray detection head is arranged in back-ray detection hole 5, and for detecting infrared light echo, the optical fiber 8 outside encapsulating package 1 is used to access laser to be adjusted.Before adjusting laser light path, indication laser coupling device of the present invention need to be first opened, you can infrared light is adjusted.
Simple in construction, small volume of the invention, it is easy to adjust, save the time and cost is relatively low, coupling efficiency is high, and can detect light echo power.
Claims (10)
- A kind of 1. indication laser coupling device, it is characterised in that：Including encapsulating package（1）, semiconductor laser（2）, microcobjective（4）, speculum（6）, glass tube（7）And optical fiber（8）, semiconductor laser（2）And microcobjective（4）It is arranged at encapsulating package（1）It is interior, encapsulating package（1）Outer wall is provided with a light echo power detection hole（5）, in semiconductor laser（2）Light direction on, set gradually microcobjective（4）And speculum（6）, speculum（6）With semiconductor laser（2）Optical axis angle, glass tube be present（7）Encapsulating package is stretched into one end（1）, and it is located at speculum（6）Reflected light path on, the other end is located at encapsulating package（1）Outside, optical fiber（8）Through glass tube（7）Center；Light echo power detection hole（5）With glass tube（7）On same optical axis.
- 2. indication laser coupling device according to claim 1, it is characterised in that：The light echo power detection hole（5）With glass tube（7）Positioned at speculum（6）Both sides.
- 3. indication laser coupling device according to claim 1, it is characterised in that：The semiconductor laser（2）Using the sensitive visible red of human eye, and power is hundred milliwatts, and its angle of divergence is adjustable.
- 4. indication laser coupling device according to claim 1, it is characterised in that：The microcobjective（4）To focus on convex lens.
- 5. indication laser coupling device according to claim 1, it is characterised in that：The speculum（6）Reflecting surface plated film, to visible red reflect, to infrared transmission.
- 6. indication laser coupling device according to claim 1, it is characterised in that：The glass tube（7）It is more than optical fiber for internal diameter（8）Diameter.
- 7. indication laser coupling device according to claim 1, it is characterised in that：Wherein speculum（6）With semiconductor laser（2）Optical axis included angle be 45 degree.
- 8. indication laser coupling device according to claim 1, it is characterised in that：Also include six-dimensional adjusting support（9）, when adjusting light path, by glass tube（7）Positioned at encapsulating package（1）Outer end is fixed on six-dimensional adjusting support（9）On, pass through six-dimensional adjusting support（9）Adjust glass tube（7）Six dimensions, to reach adjustment optical fiber（8）Six dimensions.
- 9. a kind of method of adjustment of indication laser coupling device as claimed in claim 1, it is characterised in that set-up procedure is as follows：Step 1, adjustment semiconductor laser（2）The angle of divergence, and be fixed in encapsulating package（1）It is interior；Step 2, in semiconductor laser（2）On light direction, setting microcobjective near and far（4）And speculum（6）；Step 3, by optical fiber（8）Through glass tube（7）, and and glass tube（7）It is connected, by glass tube（7）One end is arranged on encapsulating package（1）It is interior, optical fiber（8）Expose and be located at encapsulating package（1）Interior glass tube（7）End 3mm ~ 10mm；Step 4, glass tube（7）Positioned at encapsulating package（1）Outer end is fixed on six-dimensional adjusting support（9）On, pass through six-dimensional adjusting support（9）Adjust glass tube（7）Six dimensions, to reach adjustment optical fiber（8）Six dimensions；Step 5, open semiconductor laser（2）So that semiconductor laser（2）The instruction light sent（3）Through microcobjective（4）Focus on speculum（6）On, then through speculum（6）Reflection, by adjusting six-dimensional adjusting support（9）On glass tube（7）Six dimensions so that speculum（6）The optical coupling of reflection enters optical fiber（8）In；Step 6, by glass tube（7）With encapsulating package（1）It is connected, removes six-dimensional adjusting support（9）.
- 10. the method for adjustment of indication laser coupling device according to claim 9, it is characterised in that：Wherein speculum（6）With semiconductor laser（2）Optical axis included angle be 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621563.1A CN107678104A (en) | 2016-08-02 | 2016-08-02 | A kind of indication laser coupling device and its method of adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610621563.1A CN107678104A (en) | 2016-08-02 | 2016-08-02 | A kind of indication laser coupling device and its method of adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107678104A true CN107678104A (en) | 2018-02-09 |
Family
ID=61133705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610621563.1A Pending CN107678104A (en) | 2016-08-02 | 2016-08-02 | A kind of indication laser coupling device and its method of adjustment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107678104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284841A (en) * | 2021-12-29 | 2022-04-05 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber laser and control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331604Y (en) * | 2008-12-08 | 2009-10-21 | 王仲明 | Structure coupling two beams of semi-conductor laser with different wavelengths to single optical fiber |
| US20110279890A1 (en) * | 2007-08-21 | 2011-11-17 | Leica Microsystems Cms Gmbh | Method and device for illuminating a sample in a laser microscope |
| CN202837616U (en) * | 2012-07-27 | 2013-03-27 | 北京大族天成半导体技术有限公司 | Structure capable of coupling beams of two semiconductor lasers |
| CN103368070A (en) * | 2012-03-29 | 2013-10-23 | 山东华光光电子有限公司 | Fiber coupled semiconductor laser with indication light and packaging method thereof |
| CN103887708A (en) * | 2014-03-04 | 2014-06-25 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling vertical-cavity surface emitting laser with power monitoring function |
| CN104810711A (en) * | 2015-05-26 | 2015-07-29 | 中国工程物理研究院应用电子学研究所 | Indication light device for high-power all-optical fiber laser |
-
2016
- 2016-08-02 CN CN201610621563.1A patent/CN107678104A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110279890A1 (en) * | 2007-08-21 | 2011-11-17 | Leica Microsystems Cms Gmbh | Method and device for illuminating a sample in a laser microscope |
| CN201331604Y (en) * | 2008-12-08 | 2009-10-21 | 王仲明 | Structure coupling two beams of semi-conductor laser with different wavelengths to single optical fiber |
| CN103368070A (en) * | 2012-03-29 | 2013-10-23 | 山东华光光电子有限公司 | Fiber coupled semiconductor laser with indication light and packaging method thereof |
| CN202837616U (en) * | 2012-07-27 | 2013-03-27 | 北京大族天成半导体技术有限公司 | Structure capable of coupling beams of two semiconductor lasers |
| CN103887708A (en) * | 2014-03-04 | 2014-06-25 | 中国科学院上海光学精密机械研究所 | Optical fiber coupling vertical-cavity surface emitting laser with power monitoring function |
| CN104810711A (en) * | 2015-05-26 | 2015-07-29 | 中国工程物理研究院应用电子学研究所 | Indication light device for high-power all-optical fiber laser |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284841A (en) * | 2021-12-29 | 2022-04-05 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber laser and control method thereof |
| CN114284841B (en) * | 2021-12-29 | 2023-10-20 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber laser and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020103361A1 (en) | Optical fiber laser induced breakdown spectroscopy detection device and method | |
| CN101919733B (en) | Double-wavelength high-power semiconductor laser synthetic therapeutic apparatus | |
| CN105492943B (en) | Optical fiber with non-homogeneous configuration-optical fibre rod multimode amplifier super high power single mode fiber laser system | |
| CN105444991A (en) | Optical fiber coupling efficiency test device for atmosphere turbulence | |
| CN107465071A (en) | Optical fiber-solid mixed amplification laser system | |
| CN104814716B (en) | The laser system of a kind of biomechanical property for detecting cornea and method | |
| WO2022082838A1 (en) | Optical detection system | |
| CN107678104A (en) | A kind of indication laser coupling device and its method of adjustment | |
| CN101897619A (en) | Long-wave high-power semiconductor laser comprehensive therapeutic instrument | |
| CN205004613U (en) | Brief four ways holmium laser | |
| CN108387974B (en) | High-power optical fiber laser receiving and transmitting integrated end cap | |
| JP2003215389A (en) | Optical fiber collimator and manufacturing method therefor | |
| WO2014107896A1 (en) | Device and system for measuring flicker of display panel | |
| CN204765913U (en) | Wave system that closes of multichannel laser is united | |
| CN103944062A (en) | Semiconductor laser unit of single chip optical fiber coupling output | |
| CN207165907U (en) | A kind of U-shaped cavity laser that can efficiently debug | |
| CN103499890B (en) | Multikilowatt collimation-type isolator | |
| CN108747059B (en) | Device for preparing high-quality high-depth-diameter-ratio micropores by femtosecond laser/air shaping optical fibers | |
| CN101391133A (en) | Dual wavelength laser therapeutic method and equipment | |
| CN113655566A (en) | Spatial light coupling method and coupling system for special photonic crystal fiber | |
| CN205985723U (en) | Sharp optical coupler and laser system of adjustable joint position | |
| CN206440382U (en) | A kind of long light path optical system | |
| TWI583347B (en) | Light source module of optical apparatus and operating method thereof | |
| CN109975735A (en) | A kind of single fiber type arc photosensor self checking method | |
| CN106773150A (en) | High-power liquid cold light isolator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
|
| RJ01 | Rejection of invention patent application after publication |