CN103594909A - Vertical discharge type static state carbon dioxide laser device - Google Patents
Vertical discharge type static state carbon dioxide laser device Download PDFInfo
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- CN103594909A CN103594909A CN201310101932.0A CN201310101932A CN103594909A CN 103594909 A CN103594909 A CN 103594909A CN 201310101932 A CN201310101932 A CN 201310101932A CN 103594909 A CN103594909 A CN 103594909A
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- folding mirror
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Abstract
The invention relates to a vertical discharge type static state carbon dioxide laser device. The vertical discharge type static state carbon dioxide laser device comprises a discharge tube, wherein two ends of the discharge tube respectively have a first end cover and a second end cover, an inner side face of the first end cover or of the second end cover is provided with a tail mirror and an output window, and the inner side face of the first end cover or the second end cover is further provided with at least one folding reflector. According to the vertical discharge type static state carbon dioxide laser device, great laser output power can be acquired in a space of the discharge tube, so miniaturization of the vertical discharge type static state carbon dioxide laser device can be realized, and applicability is improved.
Description
Technical field
The present invention relates to field of lasers, relate in particular to longitudinal discharge type static carbon dioxide laser.
Background technology
At present, for traditional glass discharge vessel longitudinal discharge type static carbon dioxide laser, due to the inactive state of laser gas medium in sealing, therefore to obtain large laser output power, need the length (that is length of increase optical resonator) by increasing discharge tube to realize.But when discharge tube length increases, laser also can be corresponding elongated, thus the use value of losing.
In order to address the above problem, just there is having V-arrangement folded optical resonant cavity, the laser of parallel folded optical resonant cavity and cross folding optical resonator, in order to when having shortened the length of laser, has obtained larger laser output power.Wherein the patent No. is that ZL00116695.6, name are called the V-arrangement planar-cross triplex folded resonant cavity of 66 carbon oxide laser devices " patent V-arrangement folded optical resonant cavity technology is disclosed, the utility model patent that the patent No. is 200620108059.3, name is called " connected carbon-dioxide laser tube " discloses parallel folded optical resonant cavity technology.Above-mentioned two pieces of patents are all by take the folding increase of obtaining laser output power that discharge tube carries out as unit.
But this folded optical resonant cavity has problems equally.For example: when adopting V-arrangement folding, because the material of discharge tube is generally glass, therefore the angle between two adjacent discharge tubes can not be too little; When adopting parallel folding, between two adjacent discharge tubes, must keep certain spacing, so that the speculum that is 45 degree angles by two and two discharge tube light paths by between two discharge tubes lateral light paths connect, the same like this increase that can cause longitudinal discharge type static carbon dioxide laser volume.In addition, structurally, the discharge tube of take folds as unit above-mentioned two kinds of prior aries, and each discharge tube all needs to configure 1 pair of electrode, comes injecting electric power to carry out discharge excitation.As can be seen here, in overall structure, still there are the shortcomings such as compact not, in application, affected the universal of this kind of laser.
Summary of the invention
The problem that the present invention solves is to provide a kind of longitudinal discharge type static carbon dioxide laser, avoids laser overall structure volume that is not compact and that cause excessive, and use value is not high.
For addressing the above problem, the invention provides a kind of longitudinal discharge type static carbon dioxide laser, comprise: discharge tube, described discharge tube two ends have respectively the first end cap and the second end cap, on the medial surface of described the first end cap or the second end cap, be provided with tail mirror and output window, on the medial surface of described the first end cap or the second end cap, be also provided with at least one folding mirror.
Optionally, when folding mirror is one, described tail mirror and output window are positioned at first end and cover, and folding mirror is positioned on the second end cap relative with the first end cap.
Optionally, when folding mirror is two, described tail mirror and the second folding mirror are positioned at first end and cover, and described output window and the first folding mirror are positioned on same the second end cap.
Optionally, when folding mirror is three, described tail mirror, the second folding mirror and output window are positioned at first end and cover, and described the first folding mirror and the 3rd folding mirror are positioned on the second end cap.
Optionally, when folding mirror is four, described tail mirror, the second folding mirror and the 4th folding mirror are positioned at first end and cover, and described the first folding mirror, the 3rd folding mirror and output window are positioned on the second end cap.
Optionally, when folding mirror is five, described tail mirror, the second folding mirror, the 4th folding mirror and output window are positioned at first end and cover, and described the first folding mirror, the 3rd folding mirror and the 5th folding mirror are positioned on the second end cap.
Optionally, described tail mirror and folding mirror are completely reflecting mirror.
Optionally, described output window is Infrared Lens.
Optionally, described carbon dioxide laser also comprises: the first electrode and the second electrode, described the first electrode and the second electrode lay respectively at the two ends of discharge tube.
Optionally, described the first electrode and the second electrode are ring electrode, and material is non-ferrous metal, are applied to the first electrode and can are direct currents, exchange or radio-frequency power supply with the driving source on the second electrode, as while adopting radio-frequency power supply to encourage, electrode also can be placed in the outside of discharge tube.
Compared with prior art, technical scheme of the present invention has the following advantages:
On the end cap at the discharge tube two ends of longitudinal discharge type static carbon dioxide laser, at least one folding mirror is set, make laser produce multiple reflections in same discharge tube, carry out resonant optical path folding, light path is increased, in a discharge tube space, can obtain large laser output power; And then making longitudinal discharge type static carbon dioxide laser realize miniaturization, application strengthens.
In addition, in same discharge tube, use at least one folding mirror, because folding reflection angle can be enough little, and then can effectively reduce the class aberration phenomenon in light path turnover process, the quality of laser beam is provided.
Accompanying drawing explanation
Fig. 1 is the first embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube;
Fig. 2 is the second embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube;
Fig. 3 is the 3rd embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube.
Embodiment
Inventor finds that existing longitudinal discharge type static carbon dioxide laser is in order to obtain larger power output, conventionally a plurality of discharge tubes can be folded and place, and then the increase of obtaining laser output power.But because needs are used a plurality of discharge tubes, can increase undoubtedly the volume and weight of longitudinal discharge type static carbon dioxide laser, the application of longitudinal discharge type static carbon dioxide laser is limited to.
In order to address the above problem, inventor finds, if the rubbing surface of end cover at the discharge tube of longitudinal discharge type static carbon dioxide laser arranges at least one folding mirror, can directly in discharge tube inside, make like this laser beam by continuous reflection, resonant optical path be occurred repeatedly folding, light path is increased, and then obtain larger laser output power.Owing to not increasing element, avoided the increase of longitudinal discharge type static carbon dioxide laser volume to reach the object that power output increases simultaneously.
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
Embodiment mono-
Fig. 1 is the first embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube.As shown in Figure 1, described longitudinal discharge type static carbon dioxide laser comprises: discharge tube 9, output window 1, tail mirror 6, the first folding mirror 3, the first end cap 7, the second end cap 8, the first electrode 11 and the second electrode 12.
In the present embodiment, the material of described discharge tube 9 is glass or pottery.
In the present embodiment, described the first end cap 7 and the second end cap 8 are positioned at the two ends of discharge tube 9, for enclosed discharge channel 9; In the discharge tube 9 of described sealing, be filled with laser gas medium, in this example, preferably fill carbonated laser gas medium.
In the present embodiment, described tail mirror 6 is positioned on the medial surface of same the first end cap 7 with described output window 1, and described medial surface is the face towards discharge tube 9 tube chambers.Described the first folding mirror 3 is positioned at the medial surface of the second end cap 8.Wherein said tail mirror 6 is infrared completely reflecting mirror; Described output window 1 is infrared transmission mirror, and the material of described infrared transmission mirror is zinc selenide; Described the first folding mirror 3 is infrared completely reflecting mirror.
In the present embodiment, described the first electrode 11 and described the second electrode 12 are positioned at described discharge tube 9 two ends, and between the first end cap 7 and the second end cap 8; By the first electrode 11 and the second electrode 12 are applied to electric current, the laser gas medium in discharge tube 9 is carried out to longitudinal pumping to obtain Laser output.Described the first electrode 11 and the second electrode 12 are ring electrode, put on the first electrode 11 and can be direct currents, exchange or radio-frequency power supply with the driving source on the second electrode 12; When adopting radio-frequency power supply, described the first electrode 11 and described the second electrode 12 can be placed in outside described discharge tube 9.
In the present embodiment, described the first folding mirror 3, described output window 1 and described tail mirror 6 make laser carry out back reflective in the interior generation of described discharge tube 9, and then form optical resonator.Described the first folding mirror 3, described output window 1 and described tail mirror 6 make resonant optical path turnover 1 time, form 2 sections of folded optical paths that mutually connect, be laser by described tail mirror 6 total reflection to the first folding mirrors 3 and then by described first refractive speculum 3 total reflections to described output window 1, light path has increased more than 2 times, and then makes from the power output increase of the laser beam 10 of described output window 1 output.
Embodiment bis-
Fig. 2 is the second embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube.As shown in Figure 2, described longitudinal discharge type static carbon dioxide laser comprises: discharge tube 9, output window 1, tail mirror 6, the first folding mirror 3, the second folding mirror 2, the first end cap 7, the second end cap 8, the first electrode 11 and the second electrode 12.
In the present embodiment, the material of described discharge tube 9, the position that the first end cap 7 and the second end cap 8 arrange, and the laser gas medium of filling is with embodiment mono-, does not repeat them here.
In the present embodiment, described output window 1 and described the first folding mirror 3 are positioned on the medial surface of same the first end cap 7.Described tail mirror 6 and described the second folding mirror 2 are positioned at the medial surface of the second end cap 8.Wherein said tail mirror 6 is infrared completely reflecting mirror; Output window 1 is infrared transmission mirror, and the material of described infrared transmission mirror is zinc selenide; Described the first folding mirror 3 and described the second folding mirror 2 are infrared completely reflecting mirror.
In the present embodiment, the driving source of described the first electrode 11 and the second electrode 12 placement locations, employing, with embodiment mono-, does not repeat them here.
In the present embodiment, described the first folding mirror 3, described the second folding mirror 2, described output window 1 and described tail mirror 6 make laser carry out back reflective in the interior generation of described discharge tube 9, and then form optical resonator.Described the first folding mirror 3, described the second folding mirror 2, described output window 1 and described tail mirror 6 make resonant optical path turnover 2 times, form 3 sections of folded optical paths that mutually connect, be laser by described tail mirror 6 total reflection to the first folding mirrors 3 and then by described the first folding mirror 3 total reflections to described the second folding mirror 2, finally by described the second folding mirror 2 total reflections to described output window 1, light path has increased more than 3 times, and then makes from the power output increase of the laser beam 10 of described output window 1 output.
Embodiment tri-
Fig. 3 is the 3rd embodiment schematic diagram of the present invention's longitudinal discharge type static carbon dioxide laser of comprising discharge tube.As shown in Figure 3, described longitudinal discharge type static carbon dioxide laser comprises: discharge tube 9, output window 1, tail mirror 6, the first folding mirror 3, the second folding mirror 2, the 3rd folding mirror 4, the 4th folding mirror 5, the first end cap 7, the second end cap 8, the first electrode 11 and the second electrode 12.
In the present embodiment, the material of described discharge tube 9, the position that the first end cap 7 and the second end cap 8 arrange, and the laser gas medium of filling is with embodiment mono-, does not repeat them here.
In the present embodiment, described output window 1, described the first folding mirror 3 and described the 4th folding mirror 5 are positioned on the medial surface of the first end cap 7.Described tail mirror 6, described the second folding mirror 2 and the 3rd folding mirror 4 are positioned at the medial surface of the second end cap 8.Wherein said tail mirror 6 is infrared completely reflecting mirror; Output window 1 is infrared transmission mirror, and the material of described infrared transmission mirror is zinc selenide; Described the first folding mirror 3, described the second folding mirror 2, described the 3rd folding mirror 4 and described the 4th folding mirror 5 are infrared completely reflecting mirror.
In the present embodiment, the driving source of described the first electrode 11 and the second electrode 12 placement locations, employing, with embodiment mono-, does not repeat them here.
In the present embodiment, described the first folding mirror 3, described the second folding mirror 2, the 3rd folding mirror 4, described the 4th folding mirror 5, described output window 1 and described tail mirror 6 make laser carry out back reflective in the interior generation of described discharge tube 9, and then form optical resonator.Described the first folding mirror 3, described the second folding mirror 2, the 3rd folding mirror 4, described the 4th folding mirror 5, described output window 1 and described tail mirror 6 make resonant optical path turnover 4 times, form 5 sections of folded optical paths that mutually connect, be that laser is first by described tail mirror 6 total reflection to the four folding mirrors 4, and then by described the 4th folding mirror 5 total reflections to described the 3rd folding mirror 4, again by described the 3rd folding mirror 4 total reflections to described the first folding mirror 3, laser by described the first folding mirror 3 total reflections to described the second folding mirror 2, finally by described the second folding mirror 2 total reflections to described output window 1, light path has increased more than 5 times, and then make from the power output increase of the laser beam 10 of described output window 1 output.
At this, give an example, if the length of described discharge tube 9 is 1.5 meters, resonant optical path being effectively about after folding is 1.5 * 5=7.5 rice.The power output of the laser beam 10 obtaining from described output window 1 is approximately hundreds of watts.
In embodiment mono-, two and three, need to take outer cooling or interior cooling provision to discharge tube 9.
In addition to the implementation, 3 folding mirrors can also be set on end cap, described tail mirror, described the second folding mirror and described output window are positioned at first end and cover, and described the first folding mirror and described the 3rd folding mirror are positioned on the second end cap.Described the first folding mirror, described the second folding mirror, described the 3rd folding mirror, described output window and described tail mirror make resonant optical path turnover 3 times, form 4 sections of folded optical paths that mutually connect, light path has increased more than 4 times, and then makes from the power output increase of the laser beam of described output window output.
5 folding mirrors can also be set on end cap, be that described tail mirror, the second folding mirror, the 4th folding mirror and output window are positioned at first end and cover, described the first folding mirror, the 3rd folding mirror and the 5th folding mirror are positioned on the second end cap.Described the first folding mirror, described the second folding mirror, described the 3rd folding mirror, described the 4th folding mirror, described the 5th folding mirror, described output window and described tail mirror make resonant optical path turnover 5 times, form 6 sections of folded optical paths that mutually connect, light path has increased more than 6 times, and then makes from the power output increase of the laser beam of described output window output.
Quantity for folding mirror can arrange according to actual needs in addition, is not limited to above-mentioned 1 of mentioning, 2,3,4,5, can be even 6,7,8 or more.
Although the present invention discloses as above, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, so protection scope of the present invention should be as the criterion with claim limited range.
Claims (10)
1. a longitudinal discharge type static carbon dioxide laser, comprise: discharge tube, described discharge tube two ends have respectively the first end cap and the second end cap, on the medial surface of described the first end cap or the second end cap, be provided with tail mirror and output window, it is characterized in that, on the medial surface of described the first end cap or the second end cap, be also provided with at least one folding mirror.
2. longitudinal discharge type static carbon dioxide laser according to claim 1, is characterized in that, when folding mirror is one, described tail mirror and output window are positioned at first end and cover, and folding mirror is positioned on the second end cap relative with the first end cap.
3. longitudinal discharge type static carbon dioxide laser according to claim 1, it is characterized in that, when folding mirror is two, described tail mirror and the second folding mirror are positioned at first end and cover, and described output window and the first folding mirror are positioned on same the second end cap.
4. longitudinal discharge type static carbon dioxide laser according to claim 1, it is characterized in that, when folding mirror is three, described tail mirror, the second folding mirror and output window are positioned at first end and cover, and described the first folding mirror and the 3rd folding mirror are positioned on the second end cap.
5. longitudinal discharge type static carbon dioxide laser according to claim 1, it is characterized in that, when folding mirror is four, described tail mirror, the second folding mirror and the 4th folding mirror are positioned at first end and cover, and described the first folding mirror, the 3rd folding mirror and output window are positioned on the second end cap.
6. longitudinal discharge type static carbon dioxide laser according to claim 1, it is characterized in that, when folding mirror is five, described tail mirror, the second folding mirror, the 4th folding mirror and output window are positioned at first end and cover, and described the first folding mirror, the 3rd folding mirror and the 5th folding mirror are positioned on the second end cap.
7. according to the longitudinal discharge type static carbon dioxide laser described in claim 1 to 6 any one, it is characterized in that, described tail mirror and folding mirror are completely reflecting mirror.
8. according to the longitudinal discharge type static carbon dioxide laser described in claim 1 to 6 any one, it is characterized in that, described output window is Infrared Lens.
9. according to the longitudinal discharge type static carbon dioxide laser described in claim 1 to 6 any one, it is characterized in that, also comprise: the first electrode and the second electrode, described the first electrode and the second electrode lay respectively at the two ends of discharge tube.
10. longitudinal discharge type static carbon dioxide laser according to claim 9, it is characterized in that, described the first electrode and the second electrode are ring electrode, and material is non-ferrous metal, are applied to the first electrode and are direct currents, exchange or radio-frequency power supply with the driving source on the second electrode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310101932.0A CN103594909A (en) | 2013-01-05 | 2013-03-12 | Vertical discharge type static state carbon dioxide laser device |
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| CN201310002195 | 2013-01-05 | ||
| CN201310002195.9 | 2013-01-05 | ||
| CN201310101932.0A CN103594909A (en) | 2013-01-05 | 2013-03-12 | Vertical discharge type static state carbon dioxide laser device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009374A (en) * | 2014-06-13 | 2014-08-27 | 南通卓锐激光科技有限公司 | High-output-power annular carbon dioxide laser |
| WO2015149194A1 (en) * | 2014-04-01 | 2015-10-08 | 徐海军 | Radio frequency excited gas laser and preparation method therefor |
| JP2021516452A (en) * | 2018-01-29 | 2021-07-01 | アイディア マシーン デベロップメント デザイン アンド プロダクション エルティーディーＩｄｅａ Ｍａｃｈｉｎｅ Ｄｅｖｅｌｏｐｍｅｎｔ Ｄｅｓｉｇｎ ＆ Ｐｒｏｄｕｃｔｉｏｎ Ｌｔｄ． | Compact coaxial laser device |
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| CN200953429Y (en) * | 2006-09-25 | 2007-09-26 | 周迅 | Connecting CO2 laser tube |
| US20080144675A1 (en) * | 2006-12-13 | 2008-06-19 | Spinelli Luis A | Mechanically q-switched co2 laser |
| CN201868728U (en) * | 2010-10-26 | 2011-06-15 | 光库通讯(珠海)有限公司 | Alkali vapor laser |
| JP2011151213A (en) * | 2010-01-21 | 2011-08-04 | Tokai Univ | Optical resonator |
| TW201301693A (en) * | 2011-06-20 | 2013-01-01 | Mitsubishi Electric Corp | Gas laser amplifying device |
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Patent Citations (5)
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| CN200953429Y (en) * | 2006-09-25 | 2007-09-26 | 周迅 | Connecting CO2 laser tube |
| US20080144675A1 (en) * | 2006-12-13 | 2008-06-19 | Spinelli Luis A | Mechanically q-switched co2 laser |
| JP2011151213A (en) * | 2010-01-21 | 2011-08-04 | Tokai Univ | Optical resonator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015149194A1 (en) * | 2014-04-01 | 2015-10-08 | 徐海军 | Radio frequency excited gas laser and preparation method therefor |
| CN104009374A (en) * | 2014-06-13 | 2014-08-27 | 南通卓锐激光科技有限公司 | High-output-power annular carbon dioxide laser |
| JP2021516452A (en) * | 2018-01-29 | 2021-07-01 | アイディア マシーン デベロップメント デザイン アンド プロダクション エルティーディーＩｄｅａ Ｍａｃｈｉｎｅ Ｄｅｖｅｌｏｐｍｅｎｔ Ｄｅｓｉｇｎ ＆ Ｐｒｏｄｕｃｔｉｏｎ Ｌｔｄ． | Compact coaxial laser device |
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Application publication date: 20140219 |