JPS5842632B2 - douhagatarezakan - Google Patents
douhagatarezakanInfo
- Publication number
- JPS5842632B2 JPS5842632B2 JP12492975A JP12492975A JPS5842632B2 JP S5842632 B2 JPS5842632 B2 JP S5842632B2 JP 12492975 A JP12492975 A JP 12492975A JP 12492975 A JP12492975 A JP 12492975A JP S5842632 B2 JPS5842632 B2 JP S5842632B2
- Authority
- JP
- Japan
- Prior art keywords
- tube
- waveguide
- outer tube
- space
- discharge
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
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
- H01S3/02—Constructional details
- H01S3/03—Constructional details of gas laser discharge tubes
- H01S3/0315—Waveguide lasers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Description
【発明の詳細な説明】
この発明は、光波導波管を放電管として用いる、いわゆ
る導波型ガスレーザ管の構造に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the structure of a so-called waveguide gas laser tube that uses an optical waveguide as a discharge tube.
従来の導波型レーザ管は硝子の毛細管を導波管すなわち
放電管として用いるか、あるいは、セラミックや石英を
組合せたものを放電管として用いていた。Conventional waveguide laser tubes use a glass capillary tube as a waveguide or discharge tube, or a combination of ceramic or quartz as the discharge tube.
しかしこの場合、細管の内壁の一部あるいは全体にコル
ゲーションを作ったり、集光性をもたせるようにするこ
とは困難であったり、また不可能であった。However, in this case, it has been difficult or impossible to create corrugations on a part or the entire inner wall of the tubule or to make it have light condensing properties.
この発明の目的は、適当な内径を有する外管の中にその
内径と等しい外径をもち、長手（軸）方向全体に亘って
円周の一部が、適当な長さの弦にけずられている棒ある
いは管を挿入し、外管の内壁とこの内棒（内管）の弦と
のなす空間を放電空間（レーザ利得空間）すなわち導波
空間とすることにより、集光性をもち、発振波長を選択
する周期性をもつコルゲ−ションを容易に刻みこめる導
波路を有する導波型ガスレーザ管を提供することにある
。An object of the present invention is to provide an outer tube with an outer diameter equal to the inner diameter of the outer tube with an appropriate inner diameter, and a part of the circumference of the outer tube in the entire longitudinal (axial) direction is cut into a chord of an appropriate length. By inserting a rod or tube inside the outer tube and making the space formed by the inner wall of the outer tube and the strings of this inner rod (inner tube) a discharge space (laser gain space), that is, a waveguide space, it has light focusing properties. It is an object of the present invention to provide a waveguide type gas laser tube having a waveguide in which corrugation having a periodicity that selects the oscillation wavelength can be easily carved.
次にこの発明を図面を参照して詳しく説明する。Next, the present invention will be explained in detail with reference to the drawings.
第１図は、適当な内径をもつセラミックス（特に熱伝導
の大きいものが望ましい）や硝子などの外管１で、第２
図は外管１の内径と等しい外径をもつセラミックスや硝
子の内棒または内管である。Figure 1 shows an outer tube 1 made of ceramic (preferably one with high thermal conductivity) or glass having an appropriate inner diameter, and a second tube.
The figure shows an inner rod or tube made of ceramic or glass having an outer diameter equal to the inner diameter of the outer tube 1.
この場合放熱を良くする。In this case, improve heat dissipation.
ため肉厚の薄い管が望ましい。Therefore, a thin-walled tube is preferable.
内棒（内管）２は、長手方向（軸方向）全体に亘って周
の一部が適当な長さの弦にけずられ面２１を形成する。The inner rod (inner tube) 2 has a part of its periphery cut into a chord of an appropriate length over the entire longitudinal direction (axial direction) to form a surface 21.
第３図は本発明の一実施例である。FIG. 3 shows an embodiment of the present invention.
すなわち外管１の中に内管（内棒）２を挿入し、面２１
と外管の内壁とで空間３を形成する。That is, insert the inner tube (inner rod) 2 into the outer tube 1, and
and the inner wall of the outer tube form a space 3.
さらに、陽極１１や成極１２やブリコスタ部１３を取付
ける。Furthermore, the anode 11, polarization 12, and bricosta portion 13 are attached.
空間３が放電路および導波路である導波型ガスレーザ管
となる。The space 3 becomes a waveguide gas laser tube, which is a discharge path and a waveguide.
放電路および導波路空間３の断面は、例えば第３図のａ
−ａ ’で切って断面は、第４図の様になり、外管１
と内管（内棒）２との導波路空間３を形成している。The cross section of the discharge path and waveguide space 3 is, for example, a in FIG.
The cross section cut at -a' is as shown in Figure 4, and the outer tube 1
and an inner tube (inner rod) 2 to form a waveguide space 3.
この様にすればこの導波路には集光性がうまれ、スポッ
トの小さい発振光が得られる。In this way, the waveguide has a light focusing ability, and oscillation light with a small spot can be obtained.
さらに面２１に、長手（軸）方向にその全長又は一部に
第５図に示すような周期がレーザ発振波長の１／２の奇
数倍である様なコルゲーションをつけることによって波
長選択性を持たせることができる。Furthermore, wavelength selectivity is achieved by attaching corrugations along the entire length or part of the surface 21 in the longitudinal (axial) direction such that the period is an odd multiple of 1/2 of the laser oscillation wavelength as shown in FIG. can be set.
なお第３図の構造は、本発明の一例にすぎず、本発明の
組立構造は、横型放電などへの使用も可能である。The structure shown in FIG. 3 is only an example of the present invention, and the assembled structure of the present invention can also be used for horizontal discharge.
以上詳述した様に、この発明によれば、集光性を有し、
波長選択性をもつ導波型ガスレーザ管が容易に得られる
。As detailed above, according to the present invention, it has light-gathering properties,
A waveguide gas laser tube with wavelength selectivity can be easily obtained.
第１図は外管、第２図は内管（内枠）、第３図は本発明
の一実施例の断面図、第４図は導波空間、第５図は波長
選択のコルゲーションの一例ヲ示す。
図において、１は外管、２は内管、３は導波空間、１１
は陽極、１２は陰極である。Figure 1 is an outer tube, Figure 2 is an inner tube (inner frame), Figure 3 is a sectional view of an embodiment of the present invention, Figure 4 is a waveguide space, and Figure 5 is an example of a wavelength selection corrugation. I'll show you. In the figure, 1 is an outer tube, 2 is an inner tube, 3 is a waveguide space, and 11
is an anode, and 12 is a cathode.
Claims (1)
管において、適当な内径を有する外管の中に、その内径
と等しい外径をもち、長手軸方向全体に亘って周の一部
が、適当な長さの弦に研磨されている棒あるいは管を挿
入することにより外管の内壁の一部と内棒（内管）の弦
とのなす空間を放電空間とする導波型ガスレーザ管。1. In a waveguide gas laser tube that uses an optical waveguide as a discharge tube, an outer tube with an appropriate inner diameter has an outer diameter equal to the inner diameter of the outer tube, and a part of the circumference along the entire longitudinal axis is A waveguide gas laser tube that creates a discharge space in the space formed by a part of the inner wall of the outer tube and the string of the inner rod (inner tube) by inserting a polished rod or tube into the string of an appropriate length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12492975A JPS5842632B2 (en) | 1975-10-17 | 1975-10-17 | douhagatarezakan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12492975A JPS5842632B2 (en) | 1975-10-17 | 1975-10-17 | douhagatarezakan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5248995A JPS5248995A (en) | 1977-04-19 |
| JPS5842632B2 true JPS5842632B2 (en) | 1983-09-21 |
Family
ID=14897646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12492975A Expired JPS5842632B2 (en) | 1975-10-17 | 1975-10-17 | douhagatarezakan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5842632B2 (en) |
-
1975
- 1975-10-17 JP JP12492975A patent/JPS5842632B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5248995A (en) | 1977-04-19 |
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