CN204517150U - Diode pumping passive Q-regulaitng laser - Google Patents
Diode pumping passive Q-regulaitng laser Download PDFInfo
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- CN204517150U CN204517150U CN201520271405.9U CN201520271405U CN204517150U CN 204517150 U CN204517150 U CN 204517150U CN 201520271405 U CN201520271405 U CN 201520271405U CN 204517150 U CN204517150 U CN 204517150U
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- laser
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- diode
- regulaitng
- convex lens
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Abstract
The utility model relates to a kind of diode pumping passive Q-regulaitng laser, comprise laser diode (1), optical fiber (2), coupler (3), convex lens group (4), the first laser crystal (5), the second laser crystal (6) and speculum (8), the laser that laser diode (1) sends arrives convex lens group (4) after optical fiber (2), coupler (3), transmitting mirror (8) is arrived after convex lens group (4), then respectively through the first laser crystal (5) and the second laser crystal (6).The diode pumping passive Q-regulaitng laser compact conformation that the utility model provides, efficiency is high, do not need peripheral driver, good beam quality, cost low, can be widely used in the fields such as laser radar, laser weapon, micro Process, environment measuring, medical science, nonlinear optics.
Description
Technical field
The utility model relates to a kind of passive Q-regulaitng laser, particularly relates to a kind of diode pumping passive Q-regulaitng laser, belongs to infrared laser apparatus field.
Background technology
The pulse single longitudinal mode laser of laser diode (being called for short LD) pumping has the advantages such as line width, peak power is high, good stability, volume are little, is mainly used in heterodyne detection and coherent imaging, in range finding, tests the speed and have a lot of purposes in spectroscopy.Wherein, the pulse single longitudinal mode laser of 1064nm can also obtain the green glow of 532nm by frequency doubling technology, be applied to molecular biology, as laser capture microdissection technology.
Passive Q-regulaitng laser is a kind of laser being widely used in generation high-peak power giant pulse and exporting, passive Q-adjusted is the common method obtaining pulse laser output, passively Q-switch solid-state laser based on saturable absorption effect has that volume is little, compact conformation, tune Q efficiency advantages of higher, have good application prospect in a lot of field, but the instability of the performance parameters such as passive Q-regulaitng laser output pulse width, repetition, pulse energy greatly limit its application.In addition because the tune Q mechanism of saturable absorber determines, the parameters such as the repetition rate of common passive Q-regulaitng laser and pulse duration are determined by the initial transmission of pumping rate and saturated absorption crystal, Laser output pulse sequence is uncontrollable simultaneously, is requiring that the application scenario that precision pulse time domain exports can not meet the demands.Causing passive Q-regulaitng laser to export unstable main cause is the existence that solid homogeneous widens the effects of spatial in gain media.
Utility model content
In order to overcome the deficiencies in the prior art, resolving the problem of prior art, making up the deficiency of existing existing product in the market.
The utility model provides a kind of diode pumping passive Q-regulaitng laser, passive Q-regulaitng laser comprises laser diode, optical fiber, coupler, convex lens group, the first laser crystal, the second laser crystal and speculum, the laser that laser diode sends arrives convex lens group after optical fiber, coupler, transmitting mirror is arrived after convex lens group, then respectively through the first laser crystal and the second laser crystal.
Preferably, above-mentioned laser diode is pump laser diode.
Preferably, above-mentioned first laser crystal is Cr
4+: YAG crystal.
Preferably, above-mentioned second laser crystal is Nd:GdVO
4crystal.
Preferably, above-mentioned convex lens group is made up of the convex lens that two pieces be arranged in parallel.
Preferably, above-mentioned second laser crystal side is connected with described first laser crystal, and opposite side is also provided with high-speed light fulgurite.
The diode pumping passive Q-regulaitng laser compact conformation that the utility model provides, efficiency is high, do not need peripheral driver, good beam quality, cost low, can be widely used in the fields such as laser radar, laser weapon, micro Process, environment measuring, medical science, nonlinear optics.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Reference numeral: 1-laser diode; 2-optical fiber; 3-coupler; 4-convex lens group; 5-first laser crystal; 6-second laser crystal; 7-high-speed light fulgurite; 8-speculum.
Embodiment
Understand for the ease of those of ordinary skill in the art and implement the utility model, below in conjunction with the drawings and the specific embodiments, the utility model being described in further detail.
As shown in Figure 1, the diode pumping passive Q-regulaitng laser that the utility model provides, mainly comprise laser diode 1, optical fiber 2, coupler 3, convex lens group 4, first laser crystal 5, second laser crystal 6 and speculum 8, the laser that laser diode 1 sends arrives convex lens group 4 after optical fiber 2, coupler 3, transmitting mirror 8 is arrived after convex lens group 4, then respectively through the first laser crystal 5 and the second laser crystal 6.Laser diode 1 is pump laser diode.First laser crystal 5 is Cr
4+: YAG crystal.Second laser crystal 6 is Nd:GdVO
4crystal.Convex lens group 4 is made up of the convex lens that two pieces be arranged in parallel.Described second laser crystal 6 side is connected with described first laser crystal 5, and opposite side is also provided with high-speed light fulgurite 7.Some is added to optical maser wavelength owing to having the material of saturated absorption character in crystal oscillator cavity, utilize the non-linear absorption of material for laser light wavelength to regulate cavity loss, thus the optical figure of merit Q value of resonant cavity is modulated, realize energy abrupt release after Q switching is opened of storage in laser medium, the final giant pulse obtaining high-peak power exports.
The diode pumping passive Q-regulaitng laser that the utility model provides, compact conformation, efficiency is high, do not need peripheral driver, good beam quality, cost low, can be widely used in the fields such as laser radar, laser weapon, micro Process, environment measuring, medical science, nonlinear optics.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection range of the present utility model.
Claims (6)
1. a diode pumping passive Q-regulaitng laser, it is characterized in that: described passive Q-regulaitng laser comprises laser diode (1), optical fiber (2), coupler (3), convex lens group (4), first laser crystal (5), second laser crystal (6) and speculum (8), the laser that laser diode (1) sends is through optical fiber (2), coupler (3) arrives convex lens group (4) afterwards, transmitting mirror (8) is arrived after convex lens group (4), again respectively through the first laser crystal (5) and the second laser crystal (6).
2. diode pumping passive Q-regulaitng laser according to claim 1, is characterized in that: described laser diode (1) is pump laser diode.
3. diode pumping passive Q-regulaitng laser according to claim 1, is characterized in that: described first laser crystal (5) is Cr
4+: YAG crystal.
4. diode pumping passive Q-regulaitng laser according to claim 1, is characterized in that: described second laser crystal (6) is Nd:GdVO
4crystal.
5. diode pumping passive Q-regulaitng laser according to claim 1, is characterized in that: described convex lens group (4) is made up of the convex lens that two pieces be arranged in parallel.
6. according to the diode pumping passive Q-regulaitng laser one of claim 1-5 Suo Shu, it is characterized in that: described second laser crystal (6) side is connected with described first laser crystal (5), and opposite side is also provided with high-speed light fulgurite (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271405.9U CN204517150U (en) | 2015-04-27 | 2015-04-27 | Diode pumping passive Q-regulaitng laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520271405.9U CN204517150U (en) | 2015-04-27 | 2015-04-27 | Diode pumping passive Q-regulaitng laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517150U true CN204517150U (en) | 2015-07-29 |
Family
ID=53715087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520271405.9U Expired - Fee Related CN204517150U (en) | 2015-04-27 | 2015-04-27 | Diode pumping passive Q-regulaitng laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517150U (en) |
-
2015
- 2015-04-27 CN CN201520271405.9U patent/CN204517150U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160427 |