CN101872935A - Manufacturing method of green laser module and products thereof - Google Patents
Manufacturing method of green laser module and products thereof Download PDFInfo
- Publication number
- CN101872935A CN101872935A CN200910133693A CN200910133693A CN101872935A CN 101872935 A CN101872935 A CN 101872935A CN 200910133693 A CN200910133693 A CN 200910133693A CN 200910133693 A CN200910133693 A CN 200910133693A CN 101872935 A CN101872935 A CN 101872935A
- Authority
- CN
- China
- Prior art keywords
- holder
- crystal
- laser
- frequency
- laser diode
- 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
Images
Landscapes
- Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention provides a manufacturing method of a green laser module, comprising the following steps: preparing a laser diode and a crystal group, wherein the crystal group comprises a frequency-changer crystal and a frequency multiplication crystal; fixing the laser diode on a first fixed base and fixing the crystal group on a second fixed base; utilizing a fixture to clamp the first fixed base and the second fixed base respectively; aligning the laser diode and the crystal group optical axis through counterpoint and measuring operations; emitting laser light by utilizing a laser welding machine; and jointing the first fixed base and the second fixed base in the mode of laser welding. The invention also provides a product made of green laser module. In the invention, no deviation easily occurs between the laser diode and the crystal group, the stability is high, the alignment degree of the optical axis is high and the yield of products is improved.
Description
Technical field
The present invention is relevant for a kind of manufacture method and goods thereof of green laser module, refers to a kind of in order to engage the fixedly manufacture method and the goods thereof of the green laser module of laser diode and crystal group especially.
Background technology
Known green laser module generally includes a laser diode, a frequency-changer crystal and a frequency-doubling crystal, and this laser diode can be the laser light of 808nm in order to emission wavelength, and this frequency-changer crystal is generally Nd-doped yttrium vanadate (Nd:YVO
4) frequency-changer crystal, this frequency-doubling crystal is generally titanium phosphate potassium (KTP, KTiOPO
4) non-linear frequency-doubling crystal.This frequency-changer crystal can be that the laser light of 808nm is sent the laser light that wavelength is 1064nm in order to absorbing wavelength, and it be the green glow of 532nm that this frequency-doubling crystal can produce wavelength in order to resonance.
Normally utilize the mode of gluing to engage fixing between above-mentioned laser diode and the crystal group (comprising frequency-changer crystal and frequency-doubling crystal), as shown in Figure 1, laser diode 100 is individually fixed in one first holder 102 and one second holder 103 with crystal group 101, utilizes colloid (as UV glue) 104 joints fixing this first holder 102 and this second holder 103 again.First holder 102 and second holder 103 normally utilize one deck colloid 104 temporary fixing, after contraposition and measuring, utilize another layer colloid 104 nonvolatil fixing again.
But the above-mentioned mode of utilizing colloid to engage laser diode and crystal group has following many disappearances at least:
(1) colloid is a kind of fluid, and the influence of being expanded with heat and contract with cold easily, and stability is not good, so is easy to generate skew between laser diode and the crystal group, makes the optical axis alignment degree lower, and the product yield reduces.
(2) colloid flows easily, runs helter-skelter, and blocks light path even, causes the product yield to reduce.
(3) utilize colloid to engage laser diode and crystal group, it is big to take up room, and relative makes small product size big, is difficult to reach the demand of product miniaturization, is unfavorable for the application of laser module.
(4) utilize colloid to engage laser diode and crystal group, colloid is removed difficulty, is not easy to heavy industry.During heavy industry, generally need utilize chemicals to soak the damage of making laser diode and frequency-changer crystal, frequency-doubling crystal easily, complicated operation and difficulty.
Summary of the invention
Main purpose of the present invention is to provide a kind of manufacture method and goods thereof of green laser module, is difficult for producing skew between its laser diode and the crystal group, and stability is high, and the optical axis alignment degree is higher, and the product yield promotes.
Another object of the present invention is to provide a kind of manufacture method and goods thereof of green laser module, can reach the demand of product miniaturization, is beneficial to the application of laser module.
Another purpose of the present invention is to provide a kind of manufacture method and goods thereof of green laser module, can be convenient to heavy industry.
In order to reach above-mentioned purpose, the invention provides a kind of manufacture method of green laser module, comprise that step is as follows: prepare a laser diode and a crystal group, this crystal group comprises a frequency-changer crystal and a frequency-doubling crystal; This laser diode is fixed in one first holder, this crystal group is fixed in one second holder; Utilize anchor clamps this first holder of clamping and this second holder respectively,, make this laser diode and this crystal group optical axis alignment through contraposition and metrology operation; And send laser light with the laser bonding machine, engage this first holder and this second holder in the mode of laser welding.
The present invention provides a kind of product made of green laser module in addition, comprising: a laser diode; One crystal group, this crystal group comprises a frequency-changer crystal and a frequency-doubling crystal; One first holder, this laser diode are fixed in this first holder; One second holder, this crystal group is fixed in this second holder; And above-mentioned first holder and second holder be that mode with the laser welding engages, and forms solder joint between this first holder and this second holder.
The present invention has following useful effect: laser diode of the present invention utilizes the mode of laser welding to engage fixing with the crystal group, stability is good, be difficult for producing skew between laser diode and the crystal group, make the optical axis alignment degree higher, and the solder joint that the laser welding forms is fixing can not to flow, run helter-skelter, and makes the product yield promote.
The present invention utilizes laser solder joints laser diode and crystal group, and it is little to take up room, and the relative small product size that makes is dwindled, and to reach the demand of product miniaturization, is beneficial to the application of laser module.
The present invention utilizes laser solder joints laser diode and crystal group, and solder joint can grind off easily, so that heavy industry.
For enabling further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
Description of drawings
Fig. 1 is the schematic diagram of known green laser module goods.
Fig. 2 is the flow chart of the manufacture method of green laser module of the present invention.
Fig. 3 is the three-dimensional exploded view of product made of green laser module of the present invention.
Fig. 4 is the schematic diagram () of the manufacture method of green laser module of the present invention.
Fig. 5 is the schematic diagram (two) of the manufacture method of green laser module of the present invention.
Fig. 6 is the schematic diagram (three) of the manufacture method of green laser module of the present invention.
Fig. 7 is the three-dimensional combination figure of product made of green laser module of the present invention.
The primary clustering symbol description
1 laser diode
2 crystal groups
21 frequency-changer crystals
22 frequency-doubling crystals
3 first holders
31 centre bores
4 second holders
41 slotted eyes
5 laser bonding machines
51 laser shots
6 solder joints
100 laser diode
101 crystal groups
102 first holders
103 second holders
104 colloids
Embodiment
See also Fig. 2 and Fig. 3, the invention provides a kind of manufacture method of green laser module, refer to a kind ofly especially, comprise that step is as follows in order to engage the manufacture method of fixing laser diode 1 and the green laser module of crystal group 2:
(1) at first, prepare a laser diode 1 and a crystal group 2, this laser diode 1 is one 808 laser diode, can be the laser light of 808nm in order to emission wavelength, this crystal group 2 comprises a frequency-changer crystal 21 and a frequency-doubling crystal 22, and this frequency-changer crystal 21 is generally Nd-doped yttrium vanadate (Nd:YVO
4) frequency-changer crystal, this frequency-doubling crystal 22 is generally the non-linear frequency-doubling crystal of titanium phosphate potassium (KTP), and this frequency-changer crystal 21 and frequency-doubling crystal 22 are integrated into a module, and this frequency-doubling crystal 22 is positioned at the place ahead of this frequency-changer crystal 21.
(2) this laser diode 1 is individually fixed in one first holder 3 and one second holder 4 with this crystal group 2, this first holder 3 and second holder 4 are to make with the of the same race or different metal materials that can mutually combine.In the present embodiment, first holder 3 and second holder 4 are to make with stainless steel, but its material does not limit.This laser diode 1 external form is a column type, it is to be fixed in these first holder, 3 corresponding one round centre bores 31 in friction tight mode, this centre bore 31 runs through the forward and backward two ends of first holder 3, and the laser light that laser diode 1 is produced can penetrate through centre bore 31 front ends.In the present embodiment, this crystal group 2 is that the mode with gluing is fixed in the slotted eye 41 of this second holder 4, this slotted eye 41 runs through the forward and backward two ends of second holder 4, make the rear end of crystal group 2 be able to front end corresponding to laser diode 1, in order to receiving the laser light that laser diode 1 is sent, and crystal group 2 can penetrate through slotted eye 41 front ends after converting laser light to green glow.
(3) utilize anchor clamps clamping first holder 3 and second holder 4 respectively,, make laser diode 1 and these crystal group 2 optical axis alignments (as shown in Figure 4) through contraposition and metrology operation.
(4) last, send laser light (as shown in Figure 5) with a laser bonding machine 5, mode with the laser welding engages this first holder 3 and this second holder 4, makes between first holder 3, laser diode 1 and second holder 4, the crystal group 2 and forms stationary state.Described laser bonding machine 5 is to produce laser light with the laser shot 51 that three equi-angularly spaces are provided with, between different direction while directive first holder 3 and second holder 4, the pulling force of its generation is able on average, make the metal melting of first holder 3 and second holder 4 form solder joint 6 (as shown in Figure 6) with transient heating (about 1000 ℃ of temperature), make in this way to form several solder joints 6 between first holder 3 and second holder 4, make laser diode 1 and crystal group 2 utilize the mode of laser welding to engage fixing.In addition, described laser welding also can be placed suitable scolder between first holder 3 and second holder 4.
See also Fig. 3, Fig. 6 and Fig. 7, manufacture method according to above-mentioned green laser module can be made into a product made of green laser module, this product made of green laser module comprises a laser diode 1, a crystal group 2, one first holder 3 and one second holder 4, this laser diode 1 is one 808 laser diode, this crystal group 2 comprises a frequency-changer crystal 21 and a frequency-doubling crystal 22, this frequency-doubling crystal 22 is positioned at the place ahead of this frequency-changer crystal 21, and this frequency-changer crystal 21 is generally Nd-doped yttrium vanadate (Nd:YVO
4) frequency-changer crystal, this frequency-doubling crystal 22 is generally titanium phosphate potassium (KTP) frequency-doubling crystal.This laser diode 1 is individually fixed in first holder 3 and second holder 4 with this crystal group 2, that is this laser diode 1 is to be fixed in the centre bore 31 of this first holder 3 in friction tight mode, and this crystal group 2 is that the mode with gluing is fixed in the slotted eye 41 of this second holder 4.
This first holder 3 and second holder 4 are through contraposition and metrology operation, after making laser diode 1 and these crystal group 2 optical axis alignments, mode with the laser welding makes several solder joints 6 of formation between first holder 3 and second holder 4, it is fixing to make laser diode 1 and crystal group 2 utilize the mode of laser welding to engage, and uses and makes product made of green laser module.This green laser module also can further be provided with suitable beam expanding lens and collimating mirror members such as (figure slightly).
Green laser module of the present invention can be applicable to laser pointers or measuring equipment etc., in use, can utilize the laser light of this laser diode 1 emission wavelength for 808nm, be that the laser light of 808nm is sent the laser light that wavelength is 1064nm with frequency-changer crystal 21 absorbing wavelength of this crystal group 2 again, frequency-doubling crystal 22 resonance generation wavelength through this crystal group 2 are the green glow of 532nm again, make this green laser module be sent green laser.
The manufacture method of green laser module of the present invention and goods thereof have following many advantages at least:
(1) to utilize the mode of laser welding to engage fixing for laser diode 1 and crystal group 2, and stability is good, is difficult between laser diode 1 and the crystal group 2 producing skew, makes the optical axis alignment degree higher, the lifting of product yield.
(2) solder joint 6 of laser welding formation is not fixed and can be flowed, run helter-skelter, and does not have the anxiety of blocking light path, causing the reduction of product yield.
(3) utilize laser solder joints laser diode 1 and crystal group 2, it is little to take up room, and the relative small product size that makes is dwindled, and to reach the demand of product miniaturization, is beneficial to the application of laser module.
(4) utilize laser solder joints laser diode 1 and crystal group 2, solder joint 6 can grind off easily, so that heavy industry.
But the above only is preferred embodiment of the present invention, non-ly is intended to limit to scope of patent protection of the present invention, so the equivalence of using specification of the present invention and graphic content to do such as changes, all in like manner all is contained in the scope of the present invention, closes and gives Chen Ming.
Claims (13)
1. the manufacture method of a green laser module is characterized in that, comprises that step is as follows:
Prepare a laser diode and a crystal group, this crystal group comprises a frequency-changer crystal and a frequency-doubling crystal;
This laser diode is fixed in one first holder, this crystal group is fixed in one second holder;
Utilize anchor clamps this first holder of clamping and this second holder respectively,, make this laser diode and this crystal group optical axis alignment through contraposition and metrology operation; And
Send laser light with the laser bonding machine, the mode of welding with laser engages this first holder and this second holder.
2. the manufacture method of green laser module as claimed in claim 1, it is characterized in that: this laser diode is 808 laser diode, this frequency-changer crystal is Nd-doped yttrium vanadate (Nd:YVO
4) frequency-changer crystal, this frequency-doubling crystal is titanium phosphate potassium (KTP) frequency-doubling crystal.
3. the manufacture method of green laser module as claimed in claim 1, it is characterized in that: this laser bonding machine produces laser light with several laser shots, between different direction while this first holder of directive and this second holder, make between this first holder and this second holder and form solder joint, be formed with several solder joints between this first holder and this second holder.
4. as the manufacture method of claim 1,2 or 3 described green laser modules, it is characterized in that: this first holder and this second holder are made with the of the same race or different metal materials that can mutually combine.
5. as the manufacture method of claim 1,2 or 3 described green laser modules, it is characterized in that: this laser diode is fixed in the centre bore of this first holder in friction tight mode.
6. as the manufacture method of claim 1,2 or 3 described green laser modules, it is characterized in that: this crystal group is fixed in the slotted eye of this second holder in the gluing mode.
7. the manufacture method of a green laser module is characterized in that, comprises that step is as follows:
Prepare a laser diode and a crystal group, this crystal group comprises a frequency-changer crystal and a frequency-doubling crystal;
This laser diode is fixed in one first holder, this crystal group is fixed in one second holder;
Make this laser diode and this crystal group optical axis alignment; And
Send laser light with the laser bonding machine, the mode of welding with laser engages this first holder and this second holder.
8. a product made of green laser module is characterized in that, comprising:
One laser diode;
One crystal group, this crystal group comprises a frequency-changer crystal and a frequency-doubling crystal;
One first holder, this laser diode are fixed in this first holder;
One second holder, this crystal group is fixed in this second holder; And
Above-mentioned first holder and second holder engage in the mode of laser welding, form solder joint between this first holder and this second holder.
9. the manufacture method of green laser module as claimed in claim 8, it is characterized in that: this laser diode is 808 laser diode, this frequency-changer crystal is Nd-doped yttrium vanadate (Nd:YVO
4) frequency-changer crystal, this frequency-doubling crystal is titanium phosphate potassium (KTP) frequency-doubling crystal.
10. the manufacture method of green laser module as claimed in claim 8 or 9 is characterized in that: be formed with several solder joints between this first holder and this second holder.
11. the manufacture method of green laser module as claimed in claim 8 or 9, it is characterized in that: this first holder and this second holder are made with the of the same race or different metal materials that can mutually combine.
12. the manufacture method of green laser module as claimed in claim 8 or 9, it is characterized in that: this laser diode is fixed in the centre bore of this first holder in friction tight mode.
13. the manufacture method of green laser module as claimed in claim 8 or 9, it is characterized in that: this crystal group is fixed in the slotted eye of this second holder in the mode of gluing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910133693A CN101872935A (en) | 2009-04-22 | 2009-04-22 | Manufacturing method of green laser module and products thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910133693A CN101872935A (en) | 2009-04-22 | 2009-04-22 | Manufacturing method of green laser module and products thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101872935A true CN101872935A (en) | 2010-10-27 |
Family
ID=42997661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910133693A Pending CN101872935A (en) | 2009-04-22 | 2009-04-22 | Manufacturing method of green laser module and products thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101872935A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610046A (en) * | 2016-03-24 | 2016-05-25 | 丹东依镭社电子科技有限公司 | High-power green laser integrated packaging tube |
-
2009
- 2009-04-22 CN CN200910133693A patent/CN101872935A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610046A (en) * | 2016-03-24 | 2016-05-25 | 丹东依镭社电子科技有限公司 | High-power green laser integrated packaging tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Baumann et al. | 1000 W blue fiber-coupled diode-laser emitting at 450 nm | |
| CN102055127B (en) | Polarization maintaining optical fibre laser with anti-reflection device | |
| CN104007558A (en) | Semiconductor laser polarization beam combining device and coupling method | |
| CN102500919A (en) | Dual-laser beam hybrid welding device and hybrid welding method | |
| JP2010003755A (en) | Wavelength conversion laser apparatus | |
| CN102508362A (en) | Double beam coupling device | |
| CN102308443A (en) | Plane waveguide type laser, and display device | |
| CN104253375B (en) | A kind of high repetition frequency narrow pulse width single-mode green light laser | |
| CN104037616A (en) | High-brightness optical fiber coupling output device and method of semiconductor laser device | |
| CN201966481U (en) | Polarization maintaining fiber laser device with antireflection device | |
| CN202423819U (en) | Laser diode end-pump ultraviolet laser generation device | |
| CN104158078A (en) | Double-end pump laser and working method thereof | |
| CN203909406U (en) | Polarization beam-combining device of semiconductor laser | |
| CN101872935A (en) | Manufacturing method of green laser module and products thereof | |
| CN104201558A (en) | Novel array chip packaging structure and method | |
| CN204067849U (en) | A kind of novel semiconductor laser case package structure | |
| CN102581485A (en) | Laser welding device | |
| CN102922136B (en) | Dual-light beam laser welding method of K-shaped joint | |
| CN204030264U (en) | A kind of high-brightness fiber-optic Coupling device of semiconductor laser | |
| CN203250044U (en) | Multiport high efficiency fiber wavelength division multiplexer | |
| CN201490566U (en) | High power microchip laser structure | |
| CN103633542A (en) | Frequency doubling laser | |
| CN102468601A (en) | Symmetrical flat-flat cavity Nd:YAG kilowatt-grade 1064-nm laser | |
| CN101593925A (en) | A kind of fiber coupling method for diode pumping solid-state laser | |
| CN104716552A (en) | Resonant cavity for frequency-selecting 355nm ultraviolet laser in optical fiber end surface pumping Brewster angle cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20101027 |