CN207910230U - A kind of green light copper mold group - Google Patents
A kind of green light copper mold group Download PDFInfo
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- CN207910230U CN207910230U CN201820230840.0U CN201820230840U CN207910230U CN 207910230 U CN207910230 U CN 207910230U CN 201820230840 U CN201820230840 U CN 201820230840U CN 207910230 U CN207910230 U CN 207910230U
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Abstract
The utility model provides a kind of green light copper mold group, LD pedestals including interconnection and outer tube, emitting cavity is equipped in the front end of LD pedestals, the front end of emitting cavity is equipped with LD laser diodes, the rear end of emitting cavity is equipped with lens, it is equipped with fixing piece in the middle part of emitting cavity, LD laser diodes and lens are fixed by fixing piece；Laser pump cavity is equipped in the rear end of LD pedestals；Light modulation chamber is equipped in the front end of outer tube, the front end for dimming chamber is equipped with laser crystal component, and the rear end of LD pedestals is fixed in the front end of laser crystal component, and the rear end for dimming chamber is equipped with beam expanding lens, and the rear end of laser crystal component is fixed in the front end of beam expanding lens；It is equipped in the rear end of outer tube and expands cavity for focusing, the rear end for expanding cavity for focusing is equipped with focus lamp.The utility model has the advantages that power stability, small power consumption, energy collection neutralization spotlight effect are good.
Description
Technical field
The utility model is related to optical technical field more particularly to a kind of green light copper mold groups.
Background technology
Laser is the new light sources of the 1960s.Since laser has the characteristics that good directionality, brightness is high, monochromaticjty is good
And it is used widely.Laser processing is that laser applies most promising one of field, has developed more than 20 kinds now and has swashed
Light processing technology.Green light copper mold group is exactly the optical device being made using the characteristic of laser.
As shown in Figure 1, traditional green light copper mold group, by 1 ＇ of laser diode, 2 ＇ of beam-expanding system, 3 ＇ groups of focusing image-forming system
At the light source that 1 ＇ of laser diode is sent out enters 3 ＇ of focusing image-forming system through 2 ＇ of beam-expanding system and is imaged, wherein 2 ＇ of beam-expanding system is logical
The angle of flare that lens change light is crossed, the light of diverging is pooled the light for needing size by lens by 3 ＇ of focusing image-forming system
Spot.
That there are power consumptions is big for traditional green light copper mold group, power is unstable, energy does not collect the defect for neutralizing spotlight effect difference.
Invention content
The technical problems to be solved in the utility model is to provide a kind of green light copper mold group have power stability, power consumption
Small, energy collection neutralizes the good advantage of spotlight effect.
The utility model is realized in this way：
A kind of green light copper mold group includes the LD pedestals and outer tube of interconnection, is equipped with out in the front end of the LD pedestals
The front end of optical cavity, the emitting cavity is equipped with LD laser diodes, and three pins of the LD laser diodes are set to the bottoms LD
Seat is outer, and the rear end of the emitting cavity is equipped with lens, is equipped with fixing piece in the middle part of the emitting cavity, passes through the fixing piece
LD laser diodes and lens are fixed；Laser pump cavity is equipped in the rear end of the LD pedestals；
Light modulation chamber is equipped in the front end of the outer tube, the front end of the light modulation chamber is equipped with laser crystal component, and
The rear end of LD pedestals is fixed in the front end of the laser crystal component, and the rear end of the light modulation chamber is equipped with beam expanding lens, the expansion
The rear end of laser crystal component is fixed in the front end of Shu Jing；It is equipped in the rear end of the outer tube and expands cavity for focusing, it is described to expand
The rear end of cavity for focusing is equipped with focus lamp；
The LD laser diodes, lens, laser crystal component, beam expanding lens and focus lamp center be respectively positioned on same level
On line and it is separated from each other；The emitting cavity, laser pump cavity dim chamber and expand cavity for focusing and communicate.
Further, the fixing piece is spring, and one end is sheathed on the end of LD laser diodes, and the other end is supported and is set to
The end of lens.
Further, it is bonded by glue between the holder front end and LD base rear ends of the laser crystal component.
Further, it is glued by glue between the back-end support and the front end of beam expanding lens of the laser crystal component
It closes.
Further, the rear end of the LD pedestals is equipped with internal thread, and the front end of the outer tube is equipped with to match with internal thread
The external screw thread of conjunction is attached between the LD pedestals and outer tube by internal thread and external screw thread.
Further, the outer tube is steel pipe.
Further, the centre wavelength of the LD laser diodes is 808nm.
The utility model has the advantage of：The utility model passes through two pole of LD laser that is successively set in green light copper mold group
Pipe, lens, laser crystal component, beam expanding lens and focus lamp make laser crystal component and LD laser diode thermal isolations, have,
Power stability, small power consumption, energy collection neutralize the good advantage of spotlight effect, this laser can be widely used for laser level, laser
The laser equipments such as scanner, laser designator.
Description of the drawings
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of traditional green light copper mold group.
Fig. 2 is a kind of external structure schematic diagram of green light copper mold group of the utility model.
Fig. 3 is a kind of internal structure schematic diagram of green light copper mold group of the utility model.
Figure label explanation：
1 ＇-laser diodes, 2 ＇-beam-expanding systems, 3 ＇-focusing image-forming systems；
100- green light copper molds group, 10-LD pedestals, 11-LD laser diodes, 111- pins, 12- lens, 13- fixing pieces,
14- internal threads, 20- outer tubes, 21- laser crystals component, 211- holders, 212- laser crystals, 23- beam expanding lens, 24- are focused
Mirror, 25- external screw threads, 101- glue；
Q1- emitting cavities, Q2- laser pump cavities, Q3- light modulations chamber, Q4- expand cavity for focusing.
Specific implementation mode
The utility model is made with reference to specific embodiment and being further described in detail, but the structure of the utility model
It is not limited in following embodiment.
It please refers to shown in Fig. 2 and Fig. 3, a kind of green light copper mold group 100 of the utility model includes the LD pedestals of interconnection
10 and outer tube 20, the outer tube 20 is steel pipe, convenient for heat dissipation；The rear end of the LD pedestals 10 is equipped with internal thread 14, described
The front end of outer tube 20 be equipped with 14 matched external screw thread 25 of internal thread, by interior between the LD pedestals 10 and outer tube 20
Screw thread 14 and external screw thread 25 are attached, and using threaded connection, facilitate installation；
The front end equipped with emitting cavity Q1, the emitting cavity Q1 is equipped with two pole of LD laser in the front end of the LD pedestals 10
Three pins 111 of pipe 11, the LD laser diodes 11 are set to outside LD pedestals 10, the middle cardiac wave of the LD laser diodes 11
A length of 808nm；The rear end of the emitting cavity Q1 is equipped with lens 12, and fixing piece 13 is equipped in the middle part of the emitting cavity Q1,
LD laser diodes 11 and lens 12 are fixed by the fixing piece 13, the fixing piece 13 is spring, one end cap
Set on the end of LD laser diodes 11, the other end is supported set on the end of lens 12, and spring has elasticity, can be according to LD laser
The distance between diode 11 and lens 12 are adjusted；Laser pump cavity Q2 is equipped in the rear end of the LD pedestals 10；
Light modulation chamber Q3 is equipped in the front end of the outer tube 20, the front end of the light modulation chamber Q3 is equipped with laser crystal group
Part 21, and the rear end of LD pedestals 10 is fixed in the front end of the laser crystal component 21, the rear end of the light modulation chamber Q3 is equipped with
The rear end of laser crystal component 21 is fixed in beam expanding lens 23, the front end of the beam expanding lens 23；It is set in the rear end of the outer tube 20
Cavity for focusing Q4 is expanded, the rear end for expanding cavity for focusing Q4 is equipped with focus lamp 24；
The equal position in center of the LD laser diodes 11, lens 12, laser crystal component 21, beam expanding lens 23 and focus lamp 24
In in same horizontal line and being separated from each other；It the emitting cavity Q1, laser pump cavity Q2, light modulation chamber Q3 and expands cavity for focusing Q4 and communicates.
It is bonded by glue 101 between 10 rear end of 211 front end of holder and LD pedestals of the laser crystal component 21,
It is bonded by glue 101 between 211 rear end of holder of the laser crystal component 21 and the front end of beam expanding lens 23, using glue
Water 101 bonded, and fixing bracket 211 and beam expanding lens 23 and can influence laser crystal component 21 and to expand very well
The performance of mirror 23.
Nd may be used in the laser crystal 212 of the laser crystal component 21:YVO4+KTiOPO4(KTP) combination, wherein
Nd:YVO4Crystal generates the near-infrared laser of 1064nm, and frequency-doubled conversion in 1064nm laser transit chambers is 532nm by ktp crystal
Green visible export, the interior thang-kng end face of two pieces of crystal is glued together, outer thang-kng end face be plated be conducive to Pumping light absorption,
Deielectric-coating (such as Nd of basic frequency laser oscillation, frequency multiplication output:YVO4Crystal outer end face plating 808nm is anti-reflection and 1064nm, 532nm high
Anti- film, ktp crystal outer end face plate 808nm, 1064nm high instead and 532nm anti-reflection films), it is defeated to form fundamental frequency light generation, green light
The resonant cavity gone out.Due to Nd:YVO4Have many advantages, such as that absorption coefficient is high, absorption cross-section is big, emission cross section is big, polarizing emission, knot
Close that nonlinear factor possessed by KTP is big, advantage of good beam quality, thus made of green laser light-light conversion efficiency
Higher, output power is substantially 15mW~200mW.
The specifications parameter of the green light copper mold group 100 is as follows:
Specifications and models：13T160A
Output wavelength:532+/-1nm
Output power:>15mw
Operating voltage:2.0-2.1V
Operating current：280-300mA
Operating temperature：10 DEG C~+35 DEG C
Storage temperature：- 20 DEG C~+60 DEG C
Overall dimensions：φ 13*37mm (not including pin and conducting wire)
Material：Copper
Conductor length：160mm
Irradiation distance：15m
Spot size：<15mm
Working time：10000H.
The operation principle of the utility model is as follows：
The infrared incident beam of 808nm is sent out by LD laser diodes 11, incident beam is after the refraction of lens 12, energy
Enhance the service efficiency and luminous efficiency of light；Exporting 532nm greens after being converted to light beam subsequently into laser crystal 212 can
It is light-exposed, then expanded via beam expanding lens 23, play the role of the diameter of expanded beam and reduce the angle of divergence of laser beam；It connects
It and enters back into focus lamp 24 and be focused.Pass through LD laser diodes 11, the lens being successively set in green light copper mold group 100
12, laser crystal component 21, beam expanding lens 23 and focus lamp 24 make laser crystal component 21 and 11 thermal isolation of LD laser diodes,
Have the advantages that, power stability, small power consumption, energy collection neutralize spotlight effect it is good, this laser can be widely used for laser level,
The laser equipments such as Geoplane, laser designator.
Although the foregoing describe specific embodiment of the present utility model, those familiar with the art answers
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (7)
1. a kind of green light copper mold group, it is characterised in that：LD pedestals including interconnection and outer tube, the front end of the LD pedestals
Interior to be equipped with emitting cavity, the front end of the emitting cavity is equipped with LD laser diodes, three pins of the LD laser diodes
Outside LD pedestals, the rear end of the emitting cavity is equipped with lens, is equipped with fixing piece in the middle part of the emitting cavity, passes through institute
It states fixing piece LD laser diodes and lens are fixed；Laser pump cavity is equipped in the rear end of the LD pedestals；
Light modulation chamber is equipped in the front end of the outer tube, the front end of the light modulation chamber is equipped with laser crystal component, and described
The rear end of LD pedestals is fixed in the front end of laser crystal component, and the rear end of the light modulation chamber is equipped with beam expanding lens, the beam expanding lens
Front end be fixed on the rear end of laser crystal component；It is equipped in the rear end of the outer tube and expands cavity for focusing, it is described to expand focusing
The rear end of chamber is equipped with focus lamp；
The LD laser diodes, lens, laser crystal component, beam expanding lens and focus lamp center be respectively positioned in same horizontal line
And it is separated from each other；The emitting cavity, laser pump cavity dim chamber and expand cavity for focusing and communicate.
2. a kind of green light copper mold group as described in claim 1, it is characterised in that：The fixing piece is spring, and one end is arranged
In the end of LD laser diodes, the other end is supported set on the end of lens.
3. a kind of green light copper mold group as described in claim 1, it is characterised in that：The holder front end of the laser crystal component with
It is bonded by glue between LD base rear ends.
4. a kind of green light copper mold group as described in claim 1, it is characterised in that：The back-end support of the laser crystal component with
It is bonded by glue between the front end of beam expanding lens.
5. a kind of green light copper mold group as described in claim 1, it is characterised in that：The rear end of the LD pedestals is equipped with internal thread,
The front end of the outer tube be equipped with the matched external screw thread of internal thread, between the LD pedestals and outer tube by internal thread and
External screw thread is attached.
6. a kind of green light copper mold group as described in claim 1, it is characterised in that：The outer tube is steel pipe.
7. a kind of green light copper mold group as described in claim 1, it is characterised in that：The centre wavelength of the LD laser diodes is
808nm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230840.0U CN207910230U (en) | 2018-02-08 | 2018-02-08 | A kind of green light copper mold group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230840.0U CN207910230U (en) | 2018-02-08 | 2018-02-08 | A kind of green light copper mold group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910230U true CN207910230U (en) | 2018-09-25 |
Family
ID=63560627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230840.0U Active CN207910230U (en) | 2018-02-08 | 2018-02-08 | A kind of green light copper mold group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910230U (en) |
-
2018
- 2018-02-08 CN CN201820230840.0U patent/CN207910230U/en active Active
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