CN109980490A - A kind of light-weighted optical fiber laser - Google Patents
A kind of light-weighted optical fiber laser Download PDFInfo
- Publication number
- CN109980490A CN109980490A CN201910208285.0A CN201910208285A CN109980490A CN 109980490 A CN109980490 A CN 109980490A CN 201910208285 A CN201910208285 A CN 201910208285A CN 109980490 A CN109980490 A CN 109980490A
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- laser
- bottom plate
- plate
- optical fiber
- pump combiner
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- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06704—Housings; Packages
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094042—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a fibre laser
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
A kind of light-weighted optical fiber laser, including shell, semiconductor laser, red laser, pump combiner, optical resonator and silicon rubber；Shell includes bottom plate, side plate and cover board；Semiconductor laser, red laser, pump combiner and optical resonator are all set in plate upper surface；Semiconductor laser output end carries out welding by optical fiber and pump combiner input；Red laser output end carries out welding by optical fiber and pump combiner input；The input terminal of optical resonator is by carrying out welding with pump combiner output end；Optical resonance is intracavitary to be equipped with high reflective grid, doped fiber and low reflective grid；Silicon rubber filling is set in shell.Inventive shell structural strength is high, the further ruggedized construction stability of the silicon rubber of encapsulating, auxiliary heat dissipation, in face of that can work normally when the mal-conditions such as low temperature, high temperature, strong vibration and thump, and the cramped construction of lightweight, miniaturization facilitates laser application in some small devices.
Description
Technical field
The present invention relates to field of lasers, especially a kind of light-weighted optical fiber laser.
Background technique
Laser is a kind of device that can emit laser.Currently, laser is widely used in every field,
Such as in technologies such as the laser weldings, laser cutting, laser marking of industrial application.And the laser applied to military field
All various aspects such as radar, laser ranging, laser guidance.With the development of laser, swash using optical fiber as the optical fiber of gain media
Light device comes into being.
Optical fiber laser is using semiconductor laser as pumping source, and doped fiber is a pair of different anti-as gain media
Penetrate the fiber grating composition resonant cavity of rate.Compared to traditional solid state laser, there is small in size, electrical efficiency height, it is easy to maintain
Many advantages, such as, it will be the developing direction of the following laser.
But there are following technological deficiencies for optical fiber laser currently on the market: (1) existing fiber laser is generally right
Running environment has more strict requirements, can all generate and seriously affect to the performance of laser in high temperature, low temperature environment, swash
Light device energy conversion efficiency is lower.(2) system of the optical fiber laser of existing continuous power 10w or more due to needing optional equipment
Cold, heating structure, leads to laser overall volume and the larger reason of weight is more difficult is implanted in some portable equipment, shell knot
Structure heaviness shell assembling process is complicated.(3) laser inner assembly and mounting structure intensity are lower, and laser is unbearable larger strong
The vibration of degree and thump easily lead to laser component damage.
Summary of the invention
To solve the above problems, the invention discloses a kind of light-weighted optical fiber laser, particular techniques
Scheme is as follows: a kind of light-weighted optical fiber laser, including shell, semiconductor laser, red laser, pump combiner,
Optical resonator and silicon rubber；
Shell is used to support, protects laser internal component；Shell includes bottom plate, side plate and cover board, and the side plate is set
The bottom plate two sides are placed in, it is vertical with bottom plate to be fixedly connected, it is in integral structure, the cover board is set to table on the bottom plate
Face is fixedly connected with the side plate, bottom plate；
Semiconductor laser is set to described plate upper surface one end, is symmetrical set, is fixedly connected with bottom plate；Each
The semiconductor laser output end carries out welding by optical fiber and pump combiner input；For defeated as pump combiner
The pump light source entered；
Red laser is set to described plate upper surface one end, is set to semiconductor laser side, fixes with bottom plate
Connection；The red laser output end carries out welding by optical fiber and pump combiner input；It is carried out for technical staff
Debugging laser, i.e., when being not turned on semiconductor laser, the laser beam issued to red laser is debugged；
Pump combiner is set to the plate upper surface middle-end, is set to semiconductor laser output end side,
It is fixedly connected with bottom plate；For exporting the pumping combiner of multiple semiconductor lasers into an optical fiber, light is realized
Beam coupling, improves pump power；
Optical resonator is set to described plate upper surface one end, is set to pump combiner output end side, with
Bottom plate is fixedly connected, and the input terminal of optical resonator is by carrying out welding with pump combiner output end；For for laser generation
Foundation positive feedback is provided, so that light wave is repeatedly recycled oscillation transmission in optical fiber, and form multiple-beam interference in output end；Optics
High reflective grid, doped fiber and low reflective grid are equipped in resonant cavity；High reflective grid, input terminal and pump combiner output end carry out
Welding, output end and doped fiber input terminal carry out welding, the pumping that the transmission for No leakage issues after pump combiner
Light；Doped fiber, as gain media, for converting laser output for pump energy；Low reflective grid, input terminal and doping
Fiber-optic output carries out welding, for exporting laser；
Silicon rubber is filled in shell, and is covered in semiconductor laser, red laser, pump combiner, light
Learn resonant cavity and optical fiber surface.
Further, the bottom plate two sides are equipped with bottom plate card slot, and the bottom plate both ends are equipped with bottom plate connecting hole；The side plate
Quantity is two pieces, and every piece of side plate top side and two sides are in groove-like structure, forms side plate groove, and every piece of side plate quadrangle is equipped with side
Plate connecting hole, every piece of side plate center are equipped with side plate through-hole；The cover board section is in " Contraband " shape structure, in the cover board both ends
Side is in projection cube structure, forms side plate fixture block, and cover board both ends quadrangle is equipped with side plate and connects bucket, and cover board two sides bottom surface is in convex
Block structure, forms bottom plate fixture block, and the cover board bottom end is equipped with bottom plate and connects bucket；The cover board is set to plate top surface, passes through side
Board block is embedded in side plate groove, and bottom plate fixture block is embedded in bottom plate card slot, and runs through side plate connecting hole and side plate by fastener
It connects bucket to be threadedly coupled, bucket is connected with bottom plate through bottom plate connecting hole by fastener and is threadedly coupled, realizes cover board and bottom plate, side
Plate is fixedly connected.
Further, the semiconductor laser quantity is four, and the semiconductor laser selection at least two is different
The model of launch wavelength；Each semiconductor laser bottom end is equipped with laser base, the laser base and the bottom
Plate is fixedly connected, and is in integral structure, and the laser base upper surface is equipped with laser fixinig plate, the laser fixinig plate
In " Ω " shape, laser fixinig plate one end and described laser base one end are realized by hinge and are rotatablely connected, described
Semiconductor laser is caught in laser fixinig plate, and the laser fixinig plate other end is solid by fastener and the laser
Reservation is fixedly connected, and realizes that semiconductor laser is fixedly connected with bottom plate.
Further, the red laser is set to laser base top, and the red laser is caught in laser
In fixinig plate, cooperated by laser fixinig plate and laser base, realizes that red laser is fixedly connected with bottom plate.
Further, the backplate surface is equipped with structure of fiber_optic, and the semiconductor laser and the red laser are defeated
The optical fiber of outlet is fixed by being embedded in structure of fiber_optic.
Further, pump combiner outer wall quadrangle is equipped with pump combiner footing, the pump combiner footing
Quantity is four, and the pump combiner bottom end is equipped with bottom plate fixed block, and the bottom plate fixed block is fixedly connected with the bottom plate,
In integral structure, the bottom plate fixed block surface is in groove-like, and the pump combiner footing is embedded in bottom plate fixed block groove
It is interior, and pump combiner footing and bottom plate fixed block are run through by fastener, realize that pump combiner is fixedly connected with bottom plate.
Further, optical resonance cavity outer wall quadrangle is equipped with optical resonator footing, optical resonator footing quantity
It is four, the bottom plate fixed block is set to optical resonator bottom end, and the optical resonator footing insertion bottom plate fixed block is recessed
In slot, and optical resonator footing and bottom plate fixed block are run through by fastener, realizes that optical resonator is fixedly connected with bottom plate.
Further, between the input terminal of the reflective grid of height and the output end of the pump combiner, the height is reflective
Low-refraction glue is coated between the output end of grid and the doped fiber；Low-refraction glue, for further preventing
Pump light leakage in high reflective grid.
Further, high refractive index glue is coated between the doped fiber and the low reflective grid；High refractive index
Glue guarantees the clean of output optical wavelength for filtering out the extra pump light of low reflective grid.
Further, the fastener be one of rivet, setscrew, bolt, nut, screw, tapping screw or
It is a variety of.
Use principle of the invention is:
(1) when present invention debugging, start red laser, close all semiconductor lasers；Red laser transmitting swashs
Light passes through pump combiner, after optical resonantor, outside the shell directly by side plate through-hole injection laser.
(2) present invention is in use, closing red laser, opens all semiconductor lasers；Semiconductor laser
Light source is transmitted in pump combiner through optical fiber, and pump combiner exports multiple pumping combiners into an optical fiber, through light
Fibre is transmitted in optical resonantor, is formed laser and is projected outside the shell of laser by side plate through-hole.
The beneficial effects of the present invention are:
(1) present invention carries out researching and designing type selecting to structure in laser and component, using two or more wavelength
Semiconductor laser is pumped as pumping source, improves the energy conversion efficiency of laser, and laser can be at -40 DEG C to 55
Stablize the laser power of output 20W or more, the influence for overcoming low temperature or high temperature line drift exports laser, guarantee under DEG C environment
Laser can maintain preferable working condition in the environment of low temperature, room temperature and high temperature, adapt to various severe operation rings
Border, the strong environmental adaptability of laser, has widened the scope of application.
(2) present invention passes through the overall structure form of improvement design laser, has abandoned traditional continuous power 10w or more
Optical fiber laser needs the refrigeration of optional equipment, heating structure, and uses ultralight Al-alloy casing material, reduced laser
Weight, reduces the outer dimension of laser, lightweight, miniaturization cramped construction design facilitate laser application to set in small-sized
In standby.
(3) present invention rationally designs the connection structure of housing component, using grafting and bolted mode, guarantees
The structural strength of the shell of laser；Each component can be overcome tangential and horizontal by the way that corresponding fixed structure is arranged in shell
To the power of offset, being fixedly secured for a component and bottom plate is realized；And the silicon rubber of full high thermal conductivity coefficient is filled in laser
Glue, can the further intracorporal each component of effective set casing, Auxiliary support can also be further carried out to shell, guarantees laser
Can bear strong vibration and thump, and the silicon rubber of high thermal conductivity coefficient can auxiliary optical path structure radiate, reduce hot environment
Influence to optical path.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention.
Fig. 2 is outline structural diagram of the invention.
Fig. 3 is schematic diagram of internal structure of the present invention.
Fig. 4 is the A-A of Fig. 2 to schematic cross-sectional view.
Fig. 5 is the structural schematic diagram of cover board of the present invention.
Reference signs list: shell 1, bottom plate 1-1, bottom plate card slot 1-11, bottom plate connecting hole 1-12, laser base 1-
13, laser fixinig plate 1-14, structure of fiber_optic 1-15, bottom plate fixed block 1-16, side plate 1-2, side plate groove 1-21, side plate connection
Hole 1-22, side plate through-hole 1-23, cover board 1-3, side plate fixture block 1-31, side plate connection bucket 1-32, bottom plate fixture block 1-33, bottom plate connection
Bucket 1-34, semiconductor laser 2, red laser 3, pump combiner 4, pump combiner footing 4-1, optical resonator 5, height
Reflective grid 5-1, doped fiber 5-2, low reflective grid 5-3, optical resonator footing 5-4, silicon rubber 6.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing,
The technical characteristic of any pair of technical solution of the present invention carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.Being fixedly connected mentioned in the present embodiment, fixed setting, fixed structure are welding, hot melt one-pass molding, screw
The well-known techniques known to a person skilled in the art such as connection, bolt and nut connection, riveting.
Heretofore described semiconductor laser uses the fiber coupled laser diode of 10w, the transmitting of laser
Wavelength includes 915nm, and more than the two of them of 940nm, 976nm, semiconductor laser output optical fibre is 105um/125um's
Optical fiber.
Heretofore described red laser is using coaxial packaging tail-fiber type red laser, wavelength 650nm,
Output power is 30mw, and red laser output optical fibre is the single mode optical fiber of 6um/125um.
Heretofore described pump combiner is using the structure of (6+1) * 1, i.e., input terminal is by 6 pumping optical fibers and one
Signal optical fibre composition, signal optical fibre use the doubly clad optical fiber of 10um/125um.In use, the laser of semiconductor laser output
It is coupled into signal optical fibre inner cladding and transmits through pump combiner, the laser of red laser output is coupled into through pump combiner
It is transmitted in signal optical fibre fibre core.
Heretofore described high reflective grid and low reflective grid are to inscribe in the chirp of 10um/125um doubly clad optical fiber
Grating.High reflective grid reflectivity is 99.9%, and the reflectivity of low reflective grid is 10%.
Heretofore described doped fiber uses the Double Cladding Ytterbium Doped Fiber of 10um/125um.
Heretofore described silicon rubber uses 184 silicon rubber of DOW CORNING.
In conjunction with attached drawing as it can be seen that a kind of light-weighted optical fiber laser, including shell, semiconductor laser, red laser,
Pump combiner, optical resonator and silicon rubber；
Shell is used to support, protects laser internal component；Shell includes bottom plate, side plate and cover board, and the side plate is set
The bottom plate two sides are placed in, it is vertical with bottom plate to be fixedly connected, it is in integral structure, the cover board is set to table on the bottom plate
Face is fixedly connected with the side plate, bottom plate；
Semiconductor laser is set to described plate upper surface one end, is symmetrical set, is fixedly connected with bottom plate；Each
The semiconductor laser output end carries out welding by optical fiber and pump combiner input；For defeated as pump combiner
The pump light source entered；
Red laser is set to described plate upper surface one end, is set to semiconductor laser side, fixes with bottom plate
Connection；The red laser output end carries out welding by optical fiber and pump combiner input；It is carried out for technical staff
Debugging laser, i.e., when being not turned on semiconductor laser, the laser beam issued to red laser is debugged；
Pump combiner is set to the plate upper surface middle-end, is set to semiconductor laser output end side,
It is fixedly connected with bottom plate；For exporting the pumping combiner of multiple semiconductor lasers into an optical fiber, light is realized
Beam coupling, improves pump power；
Optical resonator is set to described plate upper surface one end, is set to pump combiner output end side, with
Bottom plate is fixedly connected, and the input terminal of optical resonator is by carrying out welding with pump combiner output end；For for laser generation
Foundation positive feedback is provided, so that light wave is repeatedly recycled oscillation transmission in optical fiber, and form multiple-beam interference in output end；Optics
High reflective grid, doped fiber and low reflective grid are equipped in resonant cavity；High reflective grid, input terminal and pump combiner output end carry out
Welding, output end and doped fiber input terminal carry out welding, the pumping that the transmission for No leakage issues after pump combiner
Light；Doped fiber, as gain media, for converting laser output for pump energy；Low reflective grid, input terminal and doping
Fiber-optic output carries out welding, for exporting laser；
Silicon rubber is filled in shell, and is covered in semiconductor laser, red laser, pump combiner, light
Learn resonant cavity and optical fiber surface.
Further, the bottom plate two sides are equipped with bottom plate card slot, and the bottom plate both ends are equipped with bottom plate connecting hole；The side plate
Quantity is two pieces, and every piece of side plate top side and two sides are in groove-like structure, forms side plate groove, and every piece of side plate quadrangle is equipped with side
Plate connecting hole, every piece of side plate center are equipped with side plate through-hole；The cover board section is in " Contraband " shape structure, in the cover board both ends
Side is in projection cube structure, forms side plate fixture block, and cover board both ends quadrangle is equipped with side plate and connects bucket, and cover board two sides bottom surface is in convex
Block structure, forms bottom plate fixture block, and the cover board bottom end is equipped with bottom plate and connects bucket；The cover board is set to plate top surface, passes through side
Board block is embedded in side plate groove, and bottom plate fixture block is embedded in bottom plate card slot, and runs through side plate connecting hole and side plate by fastener
It connects bucket to be threadedly coupled, bucket is connected with bottom plate through bottom plate connecting hole by fastener and is threadedly coupled, realizes cover board and bottom plate, side
Plate is fixedly connected.
Further, the semiconductor laser quantity is four, and the semiconductor laser selection at least two is different
The model of launch wavelength；Each semiconductor laser bottom end is equipped with laser base, the laser base and the bottom
Plate is fixedly connected, and is in integral structure, and the laser base upper surface is equipped with laser fixinig plate, the laser fixinig plate
In " Ω " shape, laser fixinig plate one end and described laser base one end are realized by hinge and are rotatablely connected, described
Semiconductor laser is caught in laser fixinig plate, and the laser fixinig plate other end is solid by fastener and the laser
Reservation is fixedly connected, and realizes that semiconductor laser is fixedly connected with bottom plate.
Further, the red laser is set to laser base top, and the red laser is caught in laser
In fixinig plate, cooperated by laser fixinig plate and laser base, realizes that red laser is fixedly connected with bottom plate.
Further, the backplate surface is equipped with structure of fiber_optic, and the semiconductor laser and the red laser are defeated
The optical fiber of outlet is fixed by being embedded in structure of fiber_optic.
Further, pump combiner outer wall quadrangle is equipped with pump combiner footing, the pump combiner footing
Quantity is four, and the pump combiner bottom end is equipped with bottom plate fixed block, and the bottom plate fixed block is fixedly connected with the bottom plate,
In integral structure, the bottom plate fixed block surface is in groove-like, and the pump combiner footing is embedded in bottom plate fixed block groove
It is interior, and pump combiner footing and bottom plate fixed block are run through by fastener, realize that pump combiner is fixedly connected with bottom plate.
Further, optical resonance cavity outer wall quadrangle is equipped with optical resonator footing, optical resonator footing quantity
It is four, the bottom plate fixed block is set to optical resonator bottom end, and the optical resonator footing insertion bottom plate fixed block is recessed
In slot, and optical resonator footing and bottom plate fixed block are run through by fastener, realizes that optical resonator is fixedly connected with bottom plate.
Further, between the input terminal of the reflective grid of height and the output end of the pump combiner, the height is reflective
Low-refraction glue is coated between the output end of grid and the doped fiber；Low-refraction glue, for further preventing
Pump light leakage in high reflective grid.
Further, high refractive index glue is coated between the doped fiber and the low reflective grid；High refractive index
Glue guarantees the clean of output optical wavelength for filtering out the extra pump light of low reflective grid.
Further, the fastener be one of rivet, setscrew, bolt, nut, screw, tapping screw or
It is a variety of.
Use principle of the invention is:
(1) when present invention debugging, start red laser, close all semiconductor lasers；Red laser transmitting swashs
Light passes through pump combiner, after optical resonantor, outside the shell directly by side plate through-hole injection laser.
(2) present invention is in use, closing red laser, opens all semiconductor lasers；Semiconductor laser
Light source is transmitted in pump combiner through optical fiber, and pump combiner exports multiple pumping combiners into an optical fiber, through light
Fibre is transmitted in optical resonantor, is formed laser and is projected outside the shell of laser by side plate through-hole.
The beneficial effects of the present invention are:
(1) present invention carries out researching and designing type selecting to structure in laser and component, using two or more wavelength
Semiconductor laser is pumped as pumping source, improves the energy conversion efficiency of laser, and laser can be at -40 DEG C to 55
Stablize the laser power of output 20W or more, the influence for overcoming low temperature or high temperature line drift exports laser, guarantee under DEG C environment
Laser can maintain preferable working condition in the environment of low temperature, room temperature and high temperature, adapt to various severe operation rings
Border, the strong environmental adaptability of laser, has widened the scope of application.
(2) present invention passes through the overall structure form of improvement design laser, has abandoned traditional continuous power 10w or more
Optical fiber laser needs the refrigeration of optional equipment, heating structure, and uses ultralight Al-alloy casing material, reduced laser
Weight, reduces the outer dimension of laser, lightweight, miniaturization cramped construction design facilitate laser application to set in small-sized
In standby.
(3) present invention rationally designs the connection structure of housing component, using grafting and bolted mode, guarantees
The structural strength of the shell of laser；Each component can be overcome tangential and horizontal by the way that corresponding fixed structure is arranged in shell
To the power of offset, being fixedly secured for a component and bottom plate is realized；And the silicon rubber of full high thermal conductivity coefficient is filled in laser
Glue, can the further intracorporal each component of effective set casing, Auxiliary support can also be further carried out to shell, guarantees laser
Can bear strong vibration and thump, and the silicon rubber of high thermal conductivity coefficient can auxiliary optical path structure radiate, reduce hot environment
Influence to optical path.
Claims (10)
1. a kind of light-weighted optical fiber laser, which is characterized in that including shell, semiconductor laser, red laser, pumping
Bundling device, optical resonator and silicon rubber；
Shell is used to support, protects laser internal component；Shell includes bottom plate, side plate and cover board, and the side plate is set to
The bottom plate two sides, it is vertical with bottom plate to be fixedly connected, it is in integral structure, the cover board is set to the plate upper surface, with
The side plate, bottom plate are fixedly connected；
Semiconductor laser is set to described plate upper surface one end, is symmetrical set, is fixedly connected with bottom plate；It is each described
Semiconductor laser output end carries out welding by optical fiber and pump combiner input；For what is inputted as pump combiner
Pump light source；
Red laser is set to described plate upper surface one end, is set to semiconductor laser side, with the fixed company of bottom plate
It connects；The red laser output end carries out welding by optical fiber and pump combiner input；It is adjusted for technical staff
Laser is tried, i.e., when being not turned on semiconductor laser, the laser beam issued to red laser is debugged；
Pump combiner is set to the plate upper surface middle-end, semiconductor laser output end side is set to, the bottom of with
Plate is fixedly connected；For exporting the pumping combiner of multiple semiconductor lasers into an optical fiber, light beam coupling is realized
It closes, improves pump power；
Optical resonator is set to described plate upper surface one end, pump combiner output end side is set to, with bottom plate
It is fixedly connected, the input terminal of optical resonator is by carrying out welding with pump combiner output end；For building for laser generation
It is vertical that positive feedback is provided, so that light wave is repeatedly recycled oscillation transmission in optical fiber, and form multiple-beam interference in output end；Optical resonance
It is intracavitary to be equipped with high reflective grid, doped fiber and low reflective grid；High reflective grid, input terminal are melted with pump combiner output end
It connects, output end and doped fiber input terminal carry out welding, the pump light that the transmission for No leakage issues after pump combiner；
Doped fiber, as gain media, for converting laser output for pump energy；Low reflective grid, input terminal and doping light
Fine output end carries out welding, for exporting laser；
Silicon rubber is filled in shell, and it is humorous to be covered in semiconductor laser, red laser, pump combiner, optics
Shake chamber and optical fiber surface.
2. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the bottom plate two sides are equipped with bottom
Board slot, the bottom plate both ends are equipped with bottom plate connecting hole；The side plate quantity is two pieces, and every piece of side plate top side and two sides are in
Groove-like structure forms side plate groove, and every piece of side plate quadrangle is equipped with side plate connecting hole, and every piece of side plate center is logical equipped with side plate
Hole；The cover board section is in " Contraband " shape structure, is in projection cube structure on the inside of the cover board both ends, forms side plate fixture block, the cover board
Both ends quadrangle is equipped with side plate and connects bucket, and cover board two sides bottom surface is in projection cube structure, forms bottom plate fixture block, the cover board bottom end is set
There is bottom plate to connect bucket；The cover board is set to plate top surface, is embedded in side plate groove by side plate fixture block, and bottom plate fixture block is embedded in bottom
In board slot, and bucket threaded connection is connected with side plate through side plate connecting hole by fastener, is connected by fastener through bottom plate
It connects hole and connects bucket threaded connection with bottom plate, realize that cover board is fixedly connected with bottom plate, side plate.
3. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the semiconductor laser number
Amount is four, and the semiconductor laser selects the model of at least two different emissions；Each semiconductor laser
Bottom end is equipped with laser base, and the laser base is fixedly connected with the bottom plate, is in integral structure, the laser bottom
Seat upper surface is equipped with laser fixinig plate, and the laser fixinig plate is in " Ω " shape, laser fixinig plate one end and institute
It states laser base one end and rotation connection is realized by hinge, the semiconductor laser is caught in laser fixinig plate, described
The laser fixinig plate other end is fixedly connected by fastener with the laser fixing seat, realizes semiconductor laser and bottom plate
It is fixedly connected.
4. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the red laser setting
In laser base top, the red laser is caught in laser fixinig plate, passes through laser fixinig plate and laser bottom
Seat cooperation realizes that red laser is fixedly connected with bottom plate.
5. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the backplate surface is equipped with light
Fine bracket, the optical fiber of the semiconductor laser and the red laser output end are fixed by being embedded in structure of fiber_optic.
6. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the pump combiner outer wall
Quadrangle is equipped with pump combiner footing, and the pump combiner footing quantity is four, and the pump combiner bottom end is equipped with bottom
Plate fixed block, the bottom plate fixed block are fixedly connected with the bottom plate, are in integral structure, the bottom plate fixed block surface is in recessed
Channel-shaped, in pump combiner footing insertion bottom plate fixed block groove, and by fastener through pump combiner footing and
Bottom plate fixed block realizes that pump combiner is fixedly connected with bottom plate.
7. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the optical resonance cavity outer wall
Quadrangle is equipped with optical resonator footing, and optical resonator footing quantity is four, and the bottom plate fixed block is set to optical resonance
Bottom of chamber end, the optical resonator footing are embedded in bottom plate fixed block groove, and run through optical resonator footing by fastener
With bottom plate fixed block, realize that optical resonator is fixedly connected with bottom plate.
8. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the input of the reflective grid of height
It is coated between end and the output end of the pump combiner, between the output end and the doped fiber of the reflective grid of height
Low-refraction glue；Low-refraction glue, for further preventing pump light leakage in high reflective grid.
9. a kind of light-weighted optical fiber laser according to claim 1, which is characterized in that the doped fiber with it is described
Low reflective grid between be coated with high refractive index glue；High refractive index glue is protected for filtering out the extra pump light of low reflective grid
Card exports the clean of optical wavelength.
10. a kind of light-weighted optical fiber laser according to claim 2-7, which is characterized in that the fastener is riveting
One of nail, setscrew, bolt, nut, screw, tapping screw are a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208285.0A CN109980490A (en) | 2019-03-19 | 2019-03-19 | A kind of light-weighted optical fiber laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910208285.0A CN109980490A (en) | 2019-03-19 | 2019-03-19 | A kind of light-weighted optical fiber laser |
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| US20020105997A1 (en) * | 1993-05-28 | 2002-08-08 | Tong Zhang | Multipass geometry and constructions for diode-pumped solid-state lasers and fiber lasers, and for optical amplifier and detector |
| CN206441987U (en) * | 2016-12-16 | 2017-08-25 | 武汉锐科光纤激光技术股份有限公司 | Portable hand-held 80W jointed fiber Optical Maser Systems |
| CN107681423A (en) * | 2017-09-28 | 2018-02-09 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
| CN207677246U (en) * | 2017-11-08 | 2018-07-31 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
| CN108624280A (en) * | 2018-05-08 | 2018-10-09 | 中国工程物理研究院化工材料研究所 | A kind of preparation method of high-capacity optical fiber laser heat-conducting glue |
| CN210156713U (en) * | 2019-03-19 | 2020-03-17 | 江苏亮点光电科技有限公司 | Lightweight fiber laser |
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| US20020105997A1 (en) * | 1993-05-28 | 2002-08-08 | Tong Zhang | Multipass geometry and constructions for diode-pumped solid-state lasers and fiber lasers, and for optical amplifier and detector |
| CN206441987U (en) * | 2016-12-16 | 2017-08-25 | 武汉锐科光纤激光技术股份有限公司 | Portable hand-held 80W jointed fiber Optical Maser Systems |
| CN107681423A (en) * | 2017-09-28 | 2018-02-09 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
| CN207677246U (en) * | 2017-11-08 | 2018-07-31 | 深圳市杰普特光电股份有限公司 | Optical fiber laser |
| CN108624280A (en) * | 2018-05-08 | 2018-10-09 | 中国工程物理研究院化工材料研究所 | A kind of preparation method of high-capacity optical fiber laser heat-conducting glue |
| CN210156713U (en) * | 2019-03-19 | 2020-03-17 | 江苏亮点光电科技有限公司 | Lightweight fiber laser |
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