CN202840231U - Fiber-coupled output diode-pumped solid-state laser - Google Patents
Fiber-coupled output diode-pumped solid-state laser Download PDFInfo
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- CN202840231U CN202840231U CN 201220395878 CN201220395878U CN202840231U CN 202840231 U CN202840231 U CN 202840231U CN 201220395878 CN201220395878 CN 201220395878 CN 201220395878 U CN201220395878 U CN 201220395878U CN 202840231 U CN202840231 U CN 202840231U
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Abstract
The utility model relates to a diode-pumped solid-state laser and especially to a fiber-coupled output diode-pumped solid-state laser. The laser is characterized by comprising a laser medium and an output optical fiber which are fixed in a shell, wherein one end surface of the laser medium is plated with a 1064-nm omnidirectional reflection membrane and an 808-nm full transmission membrane, one end surface of the output optical fiber in the shell is plated with a 1064-nm partial transmission membrane and an808-nm omnidirectional reflection membrane, the end surface, plated with the 1064-nm omnidirectional reflection membrane, of the laser medium and the end surface, plated with the 1064-nm partial transmission membrane, of the output optical fiber form a resonant cavity in the shell, and the laser medium generates 1064-nm oscillation output in the cavity under the action of pumping out of the cavity by a laser diode on the end surface. The fiber-coupled output diode-pumped solid-state laser provided by the utility model has the advantages of a small volume and high reliability and coupling efficiency.
Description
Technical field
The utility model relates to a kind of laser diode pump solid state laser device, particularly a kind of coupling fiber Output of laser diode pumping solid laser.
Background technology
Laser diode pump solid state laser device (DPL) is normally directly exported with window form, the DPL of this way of output is in use because light beam is directly output, limited flexibility that laser uses and and other use being of coupled connections between the instrument and equipment of DPL.
Traditional DPL coupling fiber output intent is that outgoing mirror (or laser housing) outside at DPL increases a coupling device, with the light beam coupling by window output in optical fiber, be of coupled connections between the optical instrument (or equipment) through optical fiber and other use DPL again, this method is regulated the coupling difficulty, long-time use coupling efficiency easily occurs and reduces, need to readjust coupling, meanwhile increased DPL volume, weight and outward appearance incoordination.
The utility model content
The purpose of this utility model provides that a kind of volume is little, reliability and the high coupling fiber Output of laser diode pumping solid laser of coupling efficiency.
The purpose of this utility model is to realize like this, a kind of coupling fiber Output of laser diode pumping solid laser, it is characterized in that: comprise the laser medium and the output optical fibre that are fixed in the housing, be coated with 1064nm be all-trans film and 808nm full-trans-parent film at an end face of laser medium, output optical fibre end face plating 1064nm part transmission film in the housing and the 808nm film that is all-trans, laser medium is coated with the be all-trans end face of film and output optical fibre plating 1064nm part transmission film end face of 1064nm and forms resonant cavity in housing, laser medium is subjected to pumping outside the end face laser diode chamber, forms in the chamber 1064nm vibration output.
Described end face laser diode is to act on the laser medium by the chamber inner face, and laser medium is subjected to pumping outside the end face laser diode chamber, forms in the chamber 1064nm vibration output.
There is the side laser diode described laser medium one side, and laser medium is subjected to pumping outside the laser diode chamber, side, forms in the chamber 1064nm vibration output.
There is the side laser diode described laser medium one side, and end face has the end face laser diode, and laser medium is subjected to side laser diode and the pumping outside the chamber of end face laser diode, forms in the chamber 1064nm vibration output.
Between end face laser diode and laser medium, optical coupling lens is arranged.
Between laser medium and output optical fibre, adjusting Q crystal is arranged.
Described housing fixedly channel diameter and the output optical fibre external diameter of output optical fibre is tightly fixed, and makes optical axis coincidence in output optical fibre end face and the chamber; Described passage length is more than 3 times of output optical fibre diameter.
Described output optical fibre is fixed on one and is with in the externally threaded hollow pipe, and hollow pipe is coaxial with output optical fibre, and hollow pipe is threaded with passage by external screw thread, by hollow pipe threaded adjusting output optical fibre inner face and laser medium end face chamber distance.
There is securing member described hollow pipe outer face, and securing member is used for the location hollow pipe on the one hand, is used on the other hand by the optical axis coincidence degree in colimated light system correction hollow pipe and the chamber.
The utility model has the advantages that: owing to being to be coated with 1064nm be all-trans film and 808nm full-trans-parent film by the end face at laser medium, output optical fibre end face plating 1064nm part transmission film in the housing and the 808nm film that is all-trans, laser medium is coated with the be all-trans end face of film and output optical fibre plating 1064nm part transmission film end face of 1064nm and forms resonant cavity in housing, the outer pumping of laser medium Stimulated Light diode cavity forms in the chamber 1064nm vibration output.Utilize like this end face of ordinary optic fibre as the output window of DPL, form an oscillating element of DPL resonant cavity, make the output beam of DPL directly by optical fiber output, be conducive to improve beam quality, simplify DPL optical fiber output coupled structure.Because the fiber end face diameter is less, can suppress the vibration of high-rder mode in the resonant cavity again, overcome the shortcoming of traditional coupled modes.Secondly, because the output window miniaturization is conducive to DPL through engineering approaches, modularization and standardized designs.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the hollow pipe structural representation;
Fig. 3 is collimation fastener constructions schematic diagram;
Fig. 4 is the utility model embodiment 2 structural representations;
Fig. 5 is the utility model embodiment 3 structural representations;
Fig. 6 is the utility model embodiment 4 structural representations.
Fig. 7 is the collimation fastener constructions schematic diagram with standard SMA905 optical fiber connector interface.
Among the figure, 1, housing; 2, laser medium; 3, optical axis in the chamber; 4, passage; 5, collimation securing member; 6, output optical fibre; 7, output window; 8, resonant cavity; 9, coupled lens; 10, end face laser diode; 11, lead channels; 12, adjusting Q crystal; 13, hollow pipe; 14, side laser diode; 15, SMA905 optical fiber connector seat; 16, SMA905 optical fiber connector interface.
Embodiment
As shown in Figure 1, a kind of coupling fiber Output of laser diode pumping solid laser, comprise the laser medium 2 and the output optical fibre 6 that are fixed in the housing 1, be coated with 1064nm be all-trans film and 808nm full-trans-parent film in the left side of laser medium 2, the right side is coated with 1064nm anti-reflection film and the 808nm film that is all-trans; Output optical fibre 6 end faces plating 1064nm part transmission film in the housing 1 and the 808nm film that is all-trans, laser medium 2 is coated with 1064nm and is all-trans the end face of film and end face that output optical fibre 6 is coated with 1064nm part transmission film at housing 1 interior formation resonant cavity 8, end face laser diode 10 and coupled lens 9 from left to right are fixed on the left end of laser medium 2 successively, end face laser diode 10 acts on the laser medium 2 by coupled lens 9, laser medium 2 is subjected to pumping outside the end face laser diode chamber, forms in the chamber 1064nm vibration output.
Described passage 4 length are more than 3 times of output optical fibre 6 diameters, to guarantee the stable and reliable of output optical fibre 6.
Certainly, output optical fibre 6 also can be fixed on one and be with in the externally threaded hollow pipe 13, and hollow pipe 13 is coaxial with output optical fibre 6, as shown in Figure 2, hollow pipe 13 is threaded with passage by external screw thread, by hollow pipe 13 threaded adjusting output optical fibres, 6 inner faces and laser medium end face chamber distance.
In order to make technique reasonable, there is collimation securing member 5 hollow pipe 13 outer faces, and as shown in Figure 3, collimation securing member 5 is used for location hollow pipe 13 on the one hand, is used for proofreading and correct by colimated light system on the other hand the optical axis coincidence degree of each element in the chamber.Secondly, collimation securing member 5 connection standard SMA905 optical fiber connector seats 15 as shown in Figure 7, when needing, connect the output optical fibre of random length by SMA905 optical fiber connector interface 16, and not the time spent, integral body can be encapsulated, and brings convenience to transporting, safeguarding.
As shown in Figure 4, embodiment 2 difference from Example 1 are: increased adjusting Q crystal 12 between laser medium 2 and output optical fibre 6 inner faces, formed laser diode-pumped Q-switch solid laser.
As shown in Figure 5, embodiment 3 difference from Example 2 are: not only increased adjusting Q crystal 12 between laser medium 2 and output optical fibre 6 inner faces, formed laser diode-pumped Q-switch solid laser.Simultaneously, increased pumping side laser diode 14 in laser medium 2 sides, pumping side laser diode 14 and pumping end surface laser diode 10 common pumping laser media 2 improve power output.
As shown in Figure 6, embodiment 4 difference from Example 1 are: increased pumping side laser diode 14 in laser medium 2 one sides, pumping side laser diode 14 and pumping end surface laser diode 10 common pumping laser media 2, improve power output, there is not adjusting Q crystal 12, exportable continuous power.
A kind of manufacturing process of coupling fiber Output of laser diode pumping solid laser is characterized in that: 1) obtain metal bar;
2) by housing 1 requirement processing external diameter;
3) coaxial processing end face laser diode cavity;
4) coaxial processing coupled lens cavity makes coupled lens cavity external diameter greater than laser diode cavity external diameter;
5) coaxial processing laser medium 2 cavitys make laser medium 2 cavity external diameters greater than coupled lens cavity external diameter;
6) coaxial processing adjusting Q crystal 12 cavitys make adjusting Q crystal 12 cavity external diameters greater than laser medium 2 cavity external diameters;
7) processing laser diode lead channels hole;
8) process interior or external screw thread;
9) with another section of same bar, the external diameter of coaxial processing output optical fibre end cap;
10) coaxial processing output optical fibre passage;
11) the outer or internal thread of coaxial processing makes fore shell cooperate with end cap;
12) successively with in laser diode, coupled lens, laser medium, the supporting left shell of packing into of adjusting Q crystal;
13) the output optical fibre assembly is packed in the right shell body;
14) laser diode and adjusting Q crystal lead-in wire are drawn from lead channels;
15) left shell is connected with right shell body.
Cooperate by external member between laser diode and the laser diode cavity.
Cooperate by external member between coupled lens and the coupled lens cavity.
Cooperate by external member between laser medium and the laser medium cavity.
Cooperate by external member between adjusting Q crystal and the adjusting Q crystal cavity.
The parts that the present embodiment is not described in detail and structure belong to well-known components and common structure or the conventional means of the industry, here not one by one narration.
Claims (9)
1. coupling fiber Output of laser diode pumping solid laser, it is characterized in that: comprise the laser medium (2) and the output optical fibre (6) that are fixed in the housing (1), be coated with 1064nm be all-trans film and 808nm full-trans-parent film at an end face of laser medium (2), output optical fibre (6) end face plating 1064nm part transmission film in the housing (1) and the 808nm film that is all-trans, laser medium (2) is coated with the be all-trans end face of film and output optical fibre (6) plating 1064nm part transmission film end face of 1064nm and forms resonant cavity (8) in housing (1), laser medium (2) is subjected to pumping outside end face laser diode (10) chamber, forms in the chamber 1064nm vibration output.
2. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1, it is characterized in that: described end face laser diode (10) is to act on the laser medium (2) by the chamber inner face, laser medium (2) is subjected to pumping outside end face laser diode (10) chamber, forms in the chamber 1064nm vibration output.
3. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1, it is characterized in that: there is side laser diode (14) described laser medium (2) one sides, laser medium (2) is subjected to pumping outside side laser diode (14) chamber, forms in the chamber 1064nm vibration output.
4. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1, it is characterized in that: there is side laser diode (14) described laser medium (2) one sides, end face has the end face laser diode, laser medium (2) is subjected to side laser diode (14) and end face laser diode (10) pumping outside the chamber, forms in the chamber 1064nm vibration output.
5. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1 is characterized in that: between end face laser diode (10) and laser medium (2) optical coupling lens (9) is arranged.
6. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1 is characterized in that: between laser medium (2) and output optical fibre (6) adjusting Q crystal (12) is arranged.
7. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1, it is characterized in that: described housing (1) fixedly passage (4) diameter and output optical fibre (6) external diameter of output optical fibre (6) is tightly fixed, and output optical fibre (6) end face is overlapped with optical axis (3) in the chamber; Described passage (4) length is more than 3 times of output optical fibre (6) diameter.
8. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 1, it is characterized in that: described output optical fibre (6) is fixed on one and is with in the externally threaded hollow pipe (13), hollow pipe (13) is coaxial with output optical fibre (6), hollow pipe (13) is threaded with passage by external screw thread, by hollow pipe (13) threaded adjusting output optical fibre (6) inner face and laser medium (2) end face chamber distance.
9. a kind of coupling fiber Output of laser diode pumping solid laser according to claim 8, it is characterized in that: there is securing member described hollow pipe (13) outer face, securing member is used for location hollow pipe (13) on the one hand, is used for by the optical axis coincidence degree in colimated light system correction hollow pipe (13) and the chamber on the other hand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395878 CN202840231U (en) | 2012-08-11 | 2012-08-11 | Fiber-coupled output diode-pumped solid-state laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220395878 CN202840231U (en) | 2012-08-11 | 2012-08-11 | Fiber-coupled output diode-pumped solid-state laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840231U true CN202840231U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220395878 Expired - Fee Related CN202840231U (en) | 2012-08-11 | 2012-08-11 | Fiber-coupled output diode-pumped solid-state laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840231U (en) |
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2012
- 2012-08-11 CN CN 201220395878 patent/CN202840231U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130811 |