CN203277954U - Multipath solid holmium laser bundling device - Google Patents
Multipath solid holmium laser bundling device Download PDFInfo
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- CN203277954U CN203277954U CN 201320211319 CN201320211319U CN203277954U CN 203277954 U CN203277954 U CN 203277954U CN 201320211319 CN201320211319 CN 201320211319 CN 201320211319 U CN201320211319 U CN 201320211319U CN 203277954 U CN203277954 U CN 203277954U
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- holmium
- laser
- holmium laser
- solid
- optical fiber
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Abstract
The utility model discloses a multipath solid holmium laser bundling device. The device comprises multiple paths of solid holmium lasers which include a plurality of sets of parallel and independently working holmium laser resonant cavities, each set of holmium laser resonant cavity comprises a front cavity lens and a back cavity lens, a light gathering cavity is arranged between the front cavity lens and the back cavity lens, a first coupling lens is arranged in front of the front cavity lens of each set of holmium laser resonant cavity, an optical fiber is arranged in front of the first coupling lens, the other end of each optical fiber is jointly connected with a beam shaping and homogenization device, a collimating mirror is arranged in front of the beam shaping and homogenization device, a second coupling lens is arranged in front of the collimating mirror, and an output optical fiber is arranged in front of the second coupling lens. The multipath solid holmium laser bundling device is simple in structure, small in spacial size, and easy to realize, and laser emitted by the multiple paths of holmium laser resonant cavities is homogenized, collimated and focused by using an optical fiber bundling device, thereby effectively solving the problem of relatively lower output power of a single laser crystal, and greatly expanding the application field of holmium laser.
Description
Technical field
The utility model relates generally to the laser technique field, relates in particular to a kind of multichannel solid holmium laser beaming device.
Background technology
Holmium optical maser wavelength 2100nm, its wavelength are on the absorption secondary peak of water just, and energy can by the moisture efficient absorption in tissue, so great using value is medically being arranged, be mainly used in the fields such as calculus pulverizing and tissue cutting at present.Due to Cr, when Tm, Ho:YAG laser crystal work under high repetition condition, thermal lensing effect is obvious, causes the power output of single laser crystal can not efficiency high.
The utility model content
The utility model purpose is exactly in order to make up the defective of prior art, solves under conventional art single laser crystal power output not high, and a kind of multichannel solid holmium laser beaming device is provided.
The utility model is achieved through the following technical solutions:
multichannel solid holmium laser beaming device, include multichannel solid holmium laser, multichannel solid holmium laser includes many groups and is parallel to each other, the holmium laserresonator that works alone, every group of holmium laserresonator includes the ante-chamber eyeglass, the back cavity eyeglass, be provided with laser pump cavity between ante-chamber eyeglass and back cavity eyeglass, it is characterized in that: be equipped with respectively the first coupled lens before the ante-chamber eyeglass of described every group of holmium laserresonator, be provided with optical fiber before the first coupled lens, the common incoming light beam shaping of the other end of each optical fiber homogenizer, be equipped with collimating mirror before the beam shaping homogenizer, be equipped with the second coupled lens before collimating mirror, be provided with output optical fibre before the second coupled lens, each road laser of multichannel solid holmium laser enters in optical fiber through the first coupled lens respectively, laser in multiple beams of optical fiber is by after the beam shaping homogenizer, realize the beam shaping homogenize, after the collimating mirror collimated light beam, be coupled in output optical fibre and output with the second coupled lens.
Described multichannel solid holmium laser beaming device is characterized in that: described solid holmium laser adopts four road solid holmium laser.
The utility model has the advantages that:
The utility model is simple in structure, spatial volume is little, be easy to realize, utilize the optical fiber beaming device to carry out homogenize, collimation, focusing to the laser that multichannel holmium laserresonator sends, effectively solved the lower problem of single laser crystal power output, greatly expanded holmium applications of laser field.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As an example of four road solid holmium laser example (can extend to N road solid holmium laser)
as shown in Figure 1, multichannel solid holmium laser beaming device, include four road solid holmium laser, four road solid holmium laser include four groups and are parallel to each other, the holmium laserresonator that works alone, every group of holmium laserresonator includes ante-chamber eyeglass 3, back cavity eyeglass 1, be provided with laser pump cavity 2 between ante-chamber eyeglass 3 and back cavity eyeglass 1, front first coupled lens 4 that is equipped with respectively of the ante-chamber eyeglass 3 of every group of holmium laserresonator, be provided with optical fiber 5 before the first coupled lens 4, the common incoming light beam shaping of the other end of each optical fiber 5 homogenizer 6, be equipped with collimating mirror 7 before beam shaping homogenizer 6, be equipped with the second coupled lens 8 before collimating mirror 7, be provided with output optical fibre 9 before the second coupled lens 8, each road laser of multichannel solid holmium laser enters in optical fiber 5 through the first coupled lens 4 respectively, laser in multiple beams of optical fiber 5 is by after beam shaping homogenizer 6, realize the beam shaping homogenize, after collimating mirror 7 collimated light beams, be coupled in output optical fibre 9 and output with the second coupled lens 8, finally can make more than optical fiber 9 end power outputs reach 100W, more than output frequency reaches 80Hz.
Claims (2)
1. multichannel solid holmium laser beaming device, include multichannel solid holmium laser, multichannel solid holmium laser includes many groups and is parallel to each other, the holmium laserresonator that works alone, every group of holmium laserresonator includes the ante-chamber eyeglass, the back cavity eyeglass, be provided with laser pump cavity between ante-chamber eyeglass and back cavity eyeglass, it is characterized in that: be equipped with respectively the first coupled lens before the ante-chamber eyeglass of described every group of holmium laserresonator, be provided with optical fiber before the first coupled lens, the common incoming light beam shaping of the other end of each optical fiber homogenizer, be equipped with collimating mirror before the beam shaping homogenizer, be equipped with the second coupled lens before collimating mirror, be provided with output optical fibre before the second coupled lens, each road laser of multichannel solid holmium laser enters in optical fiber through the first coupled lens respectively, laser in multiple beams of optical fiber is by after the beam shaping homogenizer, realize the beam shaping homogenize, after the collimating mirror collimated light beam, be coupled in output optical fibre and output with the second coupled lens.
2. multichannel solid holmium laser beaming device according to claim 1, is characterized in that: described solid holmium laser employing four road solid holmium laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211319 CN203277954U (en) | 2013-04-23 | 2013-04-23 | Multipath solid holmium laser bundling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320211319 CN203277954U (en) | 2013-04-23 | 2013-04-23 | Multipath solid holmium laser bundling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277954U true CN203277954U (en) | 2013-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320211319 Expired - Lifetime CN203277954U (en) | 2013-04-23 | 2013-04-23 | Multipath solid holmium laser bundling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094221A (en) * | 2016-08-05 | 2016-11-09 | 苏州优谱德精密仪器科技有限公司 | A kind of excitation-light unit |
-
2013
- 2013-04-23 CN CN 201320211319 patent/CN203277954U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094221A (en) * | 2016-08-05 | 2016-11-09 | 苏州优谱德精密仪器科技有限公司 | A kind of excitation-light unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
|
| CX01 | Expiry of patent term |