CN111211472A - Pyrotechnic composition laser - Google Patents
Pyrotechnic composition laser Download PDFInfo
- Publication number
- CN111211472A CN111211472A CN202010037231.5A CN202010037231A CN111211472A CN 111211472 A CN111211472 A CN 111211472A CN 202010037231 A CN202010037231 A CN 202010037231A CN 111211472 A CN111211472 A CN 111211472A
- Authority
- CN
- China
- Prior art keywords
- pyrotechnic
- light
- laser
- protective tube
- protection tube
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/095—Processes or apparatus for excitation, e.g. pumping using chemical or thermal pumping
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention discloses a pyrotechnic composition laser, which comprises a light-gathering cavity, wherein a vibration exciter and a first protection tube are arranged in the light-gathering cavity, a pyrotechnic composition column is arranged in the first protection tube, and a uniform energetic material layer is coated on the pyrotechnic composition column; the pyrotechnic charge column and one end of the first protective tube are fixed on the light-gathering cavity through a fixing device; the other end of the first protection tube is provided with a trigger device, a firing pin striking the pyrotechnic charge column is arranged in the trigger device, the fixed end of the firing pin is connected to the inner wall of the trigger device through a spring, a slot is arranged on the fixed end, a trigger piece capable of being pulled out is arranged in the slot, and the trigger piece penetrates through the trigger device. The chemical energy that this scheme utilization was come from storage in the pyrotechnic composition to energetic material deflagration is as the pumping source, and pumping energy density is big, and powdered viscidity medicament makes the pumping source easily machine-shaping again, and the laser instrument output energy of this scheme is big, the quality is light, small and be convenient for integrate.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a pyrotechnic composition laser.
Background
The conventional solid laser usually adopts an electric light source as a pumping source, and needs to be provided with a huge power supply system because the solid electric light source laser needs a large amount of electric energy, and simultaneously needs to be provided with a huge heat dissipation device because huge heat is generated during electro-optical conversion, so that the laser has overlarge size and a complex structure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the pyrotechnic composition laser with high energy density and low dependence degree on the external environment.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
providing a pyrotechnic composition laser, which comprises a light-gathering cavity, wherein a vibration exciter and a first protection tube are arranged in the light-gathering cavity, a pyrotechnic composition column is arranged in the first protection tube, and a uniform energetic material layer is coated on the pyrotechnic composition column; the pyrotechnic charge column and one end of the first protective tube are fixed on the light-gathering cavity through a fixing device; the other end of the first protection tube is provided with a trigger device, a firing pin striking the pyrotechnic charge column is arranged in the trigger device, the fixed end of the firing pin is connected to the inner wall of the trigger device through a spring, a slot is arranged on the fixed end, a trigger piece capable of being pulled out is arranged in the slot, and the trigger piece penetrates through the trigger device.
Further, the end of the pyrotechnic charge column is provided with a fixing ring, and the fixing ring is supported on the first protection tube through a support.
Furthermore, the pyrotechnic charge column is inserted into a fixing groove formed in the fixing device, the first protection pipe is inserted into a circular ring groove formed in the fixing device, and the fixing device is fixed at an opening formed in the side wall of the light-gathering cavity through a screw.
Further, the syntonizer includes the second protection tube, and the spotlight chamber is run through at the both ends of second protection tube, and the second protection tube is parallel with first protection tube, is provided with the laser stick in the second protection tube, and the both ends of laser stick are provided with half anti-membrane and anti-membrane entirely respectively.
Furthermore, the laser rod adopts a solid laser medium, and the second protection tube and the first protection tube are both quartz tubes.
Furthermore, the light-gathering cavity is of an elliptic cylindrical cavity structure with a closed end face.
Furthermore, the striker is made of high-hardness metal.
The invention has the beneficial effects that: the chemical energy that this scheme utilization was come from storing in the energetic material to adopt energetic material deflagration as the pumping source, pumping energy density is big, and powdered viscidity medicament makes the pumping source easily machine-shaping again, and the laser instrument output energy of this scheme is big, the quality is light, small and be convenient for integrate. The firing pin is used for adopting a striking ignition mode, so that the electroless pumping can be realized, the anti-interference capability of the system is improved, and the use under complex conditions is facilitated.
When the laser active ion absorption device is used, the trigger piece in the slot is pulled out, the striker mechanically impacts to enable the energetic material to deflagrate and flash, the energetic material is modified to enable the emission spectrum of the energetic material to be matched with the absorption spectrum of laser active ions, the active ions can effectively absorb light energy through the light-gathering cavity to form particle number inversion, and laser is amplified and output through the resonator.
The fixing ring further fixes the pyrotechnic charge column, so that the pyrotechnic charge column is convenient to impact, and the pyrotechnic charge column is prevented from shaking and shifting during impact; the second protection tube and the first protection tube are quartz tubes, so that the change of the luminescence spectrum is realized; the fixing device is used for fixing the pyrotechnic charge column and the first protection tube by arranging the circular ring groove and the cylindrical fixing groove, so that the pyrotechnic charge column and the first fixing tube are fixed and stable and are not easy to deflect. The end face of the light-gathering cavity is elliptical, the light-gathering effect is good, and the size of the laser can be smaller.
Drawings
Fig. 1 is a structural view of a pyrotechnic laser.
Fig. 2 is a side view structural view of the pyrotechnic laser.
Fig. 3 is a top view of the fixture.
The laser rod comprises a light gathering cavity 1, a light gathering cavity 2, a second protection tube 3, a laser rod 4, a full-reflection film 5, a half-reflection film 6, a fixing device 7, a first protection tube 8, a pyrotechnic charge column 9, an energetic material layer 10, a fixing ring 11, a fixing end 12, a firing pin 13, a trigger 14, a spring 15, a fixing groove 16, a support 17 and a circular ring groove.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
As shown in fig. 1 and 2, the pyrotechnic composition laser comprises a light-focusing cavity 1, a vibration exciter and a first protection tube 7 are arranged in the light-focusing cavity 1, a pyrotechnic composition column 8 is arranged in the first protection tube 7, and a layer of energetic material is uniformly coated on the pyrotechnic composition column 8; one end of each pyrotechnic charge 8 and one end of each first protection tube 7 are fixed on the light-gathering cavity 1 through the fixing device 6; the other end of the first protection tube 7 is provided with a trigger device, a firing pin 12 for striking the pyrotechnic charge is arranged in the trigger device, a fixed end 11 of the firing pin 12 is connected to the inner wall of the trigger device through a spring 14, a slot is arranged on the fixed end 11, a trigger piece 13 capable of being pulled out is arranged in the slot, and the trigger piece 13 penetrates through the trigger device.
The chemical energy that this scheme utilization was stored in coming from pyrotechnic composition to adopt pyrotechnic composition deflagration as the pumping source, pumping energy density is big, and powdered viscidity medicament makes the pumping source easily machine-shaping again, and the laser instrument output energy of this scheme is big, the quality is light, small and be convenient for integrate. By using the striker 12 and adopting a striking ignition mode, the electroless pumping can be realized, the anti-interference capability of the system is improved, and the use under complex conditions is facilitated.
When the laser energy-saving device is used, the trigger piece 13 in the slot is pulled out, the striker 12 mechanically impacts the energetic material to enable the energetic material to deflagrate and flash, the energetic material is modified to enable the emission spectrum of the energetic material to be matched with the absorption spectrum of laser activated ions, the activated ions can effectively absorb light energy through the light-gathering cavity 1 to form particle number inversion, and laser is amplified and output through the resonator.
The end of the pyrotechnic charge 8 is provided with a fixing ring 10, the fixing ring 10 being supported on the first protective tube 7 by a support 16. The pyrotechnic charge column 8 is inserted into a fixing groove 15 formed in the fixing device 6, the first protection tube 7 is inserted into a circular ring groove 17 formed in the fixing device 6, and the fixing device 6 is fixed at an opening formed in the side wall of the light-gathering cavity 1 through a screw.
The solid fixed ring 10 further fixes the pyrotechnic charge 8, is convenient for impact, and avoids shaking and shifting during impact of the pyrotechnic charge 8. As shown in fig. 3, the fixing device 6 is used for fixing the pyrotechnic charge column 8 and the first protection tube 7 by forming a circular ring groove 17 and a cylindrical fixing groove 15, so that the pyrotechnic charge column 8 and the first protection tube are fixed stably and are not easy to deflect.
The syntonizer includes second protection tube 2, and the spotlight chamber 1 is run through at the both ends of second protection tube 2, and second protection tube 2 is parallel with first protection tube 7, is provided with laser stick 3 in the second protection tube 2, and the both ends of laser stick 3 are provided with respectively and partly reflect membrane 5 and totally reflect membrane 4.
The laser rod 3 adopts solid laser medium, and the second protection tube 2 and the first protection tube 7 are both doped with Ce3+A quartz tube. The second protection tube 2 and the first protection tube 7 are doped with Ce3+And the quartz tube realizes the change of the light-emitting spectrum. The light-gathering cavity 1 is a long strip-shaped oval cavity structure. The striker 12 is made of quenched 65 manganese steel with hardness of HRC55, so that the striker 12 can generate sparks and deflagration flash when impacting the pyrotechnic charge 8. The end face of the light-gathering cavity 1 is oval, the light-gathering effect is good, and the size of the laser can be smaller.
Claims (7)
1. The pyrotechnic laser is characterized by comprising a light-gathering cavity (1), wherein a vibration exciter and a first protective pipe (7) are arranged in the light-gathering cavity (1), a pyrotechnic charge column (8) is arranged in the first protective pipe (7), and a uniform energetic material layer (9) is coated on the pyrotechnic charge column (8); one end of each pyrotechnic charge column (8) and one end of each first protective tube (7) are fixed on the light-gathering cavity (1) through fixing devices (6); the other end of the first protection tube (7) is provided with a trigger device, a firing pin (12) for striking the pyrotechnic charge (8) is arranged in the trigger device, a fixed end (11) of the firing pin (12) is connected to the inner wall of the trigger device through a spring (14), a slot is formed in the fixed end (11), a trigger piece (13) capable of being pulled out is arranged in the slot, and the trigger piece (13) penetrates through the trigger device.
2. Pyrotechnic laser according to claim 1, characterized in that the end of the pyrotechnic charge (8) is provided with a fixing ring (10), which fixing ring (10) is supported on the first protective tube (7) by means of a bracket (16).
3. The pyrotechnic laser as claimed in claim 1, wherein the pyrotechnic charge (8) is inserted in a fixing groove (15) provided in the fixing device (6), the first protection tube (7) is inserted in a circular ring groove (17) provided in the fixing device (6), and the fixing device (6) is fixed at an opening provided in the side wall of the light-focusing chamber (1) by a screw.
4. Pyrotechnic laser according to claim 1, characterized in that the resonator comprises a second protective tube (2), both ends of the second protective tube (2) run through the light-focusing cavity (1), and the second protective tube (2) is parallel to the first protective tube (7), a laser rod (3) is arranged in the second protective tube (2), and both ends of the laser rod (3) are respectively provided with a semi-reflective film (5) and a fully reflective film (4).
5. Pyrotechnic laser according to claim 4, characterized in that the laser rod (3) is of solid laser medium, the second protective tube (2) and the first protective tube (7) are both Ce-doped3+A quartz tube.
6. Pyrotechnic laser according to claim 1, characterized in that the light-focusing chamber (1) is of an end-closed elliptic cylindrical cavity structure.
7. Pyrotechnic laser according to claim 1, characterized in that the firing pin (12) is made of a high-hardness metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037231.5A CN111211472A (en) | 2020-01-14 | 2020-01-14 | Pyrotechnic composition laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010037231.5A CN111211472A (en) | 2020-01-14 | 2020-01-14 | Pyrotechnic composition laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111211472A true CN111211472A (en) | 2020-05-29 |
Family
ID=70789111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010037231.5A Pending CN111211472A (en) | 2020-01-14 | 2020-01-14 | Pyrotechnic composition laser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111211472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425510A (en) * | 2022-11-07 | 2022-12-02 | 西南科技大学 | Pyrotechnical laser ignited by compressed air |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2239264C1 (en) * | 2003-02-07 | 2004-10-27 | Военная академия Ракетных войск стратегического назначения им. Петра Великого | Condensed-explosion flashlamp for optical pumping of active media of impact-initiation laser radiators |
| CN107317216A (en) * | 2017-08-15 | 2017-11-03 | 西华大学 | A kind of solid state laser and Optical Maser System |
| CN110176710A (en) * | 2019-06-25 | 2019-08-27 | 中国工程物理研究院化工材料研究所 | Non-transformer laser module |
-
2020
- 2020-01-14 CN CN202010037231.5A patent/CN111211472A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2239264C1 (en) * | 2003-02-07 | 2004-10-27 | Военная академия Ракетных войск стратегического назначения им. Петра Великого | Condensed-explosion flashlamp for optical pumping of active media of impact-initiation laser radiators |
| CN107317216A (en) * | 2017-08-15 | 2017-11-03 | 西华大学 | A kind of solid state laser and Optical Maser System |
| CN110176710A (en) * | 2019-06-25 | 2019-08-27 | 中国工程物理研究院化工材料研究所 | Non-transformer laser module |
Non-Patent Citations (2)
| Title |
|---|
| 罗远军等编著: "《新型含能材料》", 31 January 2015 * |
| 肖楠 等: ""烟火抽运激光器研究进展"", 《激光与光电子学进展》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115425510A (en) * | 2022-11-07 | 2022-12-02 | 西南科技大学 | Pyrotechnical laser ignited by compressed air |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Morsy | Review and recent developments of laser ignition for internal combustion engines applications | |
| US3646471A (en) | A cylindrical array of exploding conductors embedded in a solid dielectric for pumping a laser | |
| US7421166B1 (en) | Laser spark distribution and ignition system | |
| CN111211472A (en) | Pyrotechnic composition laser | |
| WO2016117870A1 (en) | Highly efficient laser ignition device | |
| CN107317216B (en) | Solid laser and laser system | |
| Fan et al. | 105-kW peak-power double-clad fiber laser | |
| RU2010145251A (en) | METHOD FOR COMBUSTION ORGANIZATION IN A HYPERSONIC REDUCED AIR-REACTIVE ENGINE AND A HYPERSONIC REDUCED AIR-REACTIVE ENGINE | |
| JP2010014030A (en) | Laser ignition device | |
| JPS60189277A (en) | Oscillatation for erbium laser and device thereof | |
| EP3023631A1 (en) | Laser device, ignition system, and internal combustion engine | |
| CN110176710B (en) | Power-free laser module | |
| CN105048263A (en) | No-debugging miniature laser device ignition device and method | |
| CN201061079Y (en) | High power and high pulse energy solid laser device | |
| Tsunekane et al. | Micro-solid-state laser for ignition of automobile engines | |
| Pavel et al. | Composite all-ceramics, passively Q-switched Nd: YAG/Cr4+: YAG monolithic micro-laser with two-beam output for multi-point ignition | |
| Malov et al. | Formation of an optical pulsed discharge in a supersonic air flow by radiation of a repetitively pulsed CO2 laser | |
| CN112467506B (en) | Direct liquid cooling high-power laser gain device based on fuel jet combustion pump | |
| CN201421295Y (en) | Laser ignition power density strengthening device | |
| Zuo et al. | Studies on a 100-joule-class UV-pre-ionized TEA CO2 laser | |
| US20070034831A1 (en) | Synthesis of solid state dye laser by y-irradiation polymerization method | |
| JP2016072611A (en) | Laser apparatus, ignition apparatus and internal combustion engine | |
| TAKAHASHI et al. | Advanced ignition technology for the achievement of high thermal efficiency of internal combustion engine—A demonstration of laser ignition in natural gas engines— | |
| GB2426789A (en) | Laser ignition system for an internal combustion engine | |
| US20090139465A1 (en) | High pressure hot gas generating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |