JPS61220487A - Laser oscillator - Google Patents
Laser oscillatorInfo
- Publication number
- JPS61220487A JPS61220487A JP6076785A JP6076785A JPS61220487A JP S61220487 A JPS61220487 A JP S61220487A JP 6076785 A JP6076785 A JP 6076785A JP 6076785 A JP6076785 A JP 6076785A JP S61220487 A JPS61220487 A JP S61220487A
- Authority
- JP
- Japan
- Prior art keywords
- microwave
- laser
- medium gas
- discharge
- resonator
- 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
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
- H01S3/097—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser
- H01S3/0975—Processes or apparatus for excitation, e.g. pumping by gas discharge of a gas laser using inductive or capacitive excitation
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
Description
【発明の詳細な説明】
−〔産業上の利用分野〕
この発明は、原子が放出するマイクロ波領域の電磁波に
よって励起されるレーザ発振器に関するものである。Detailed Description of the Invention - [Field of Industrial Application] The present invention relates to a laser oscillator that is excited by electromagnetic waves in the microwave region emitted by atoms.
第２図は従来のこの種レーザ発振装置を示す構成図でめ
る。図において、（１）は空胴共振器、（２）は空胴共
振器（１）を貫通してこれの内部に収容され、両端部に
互いに対向する全反射ａαカと、部分透過鏡（６）とを
装着した放電管で、この放電管（２）内と。FIG. 2 is a block diagram showing a conventional laser oscillation device of this type. In the figure, (1) is a cavity resonator, and (2) is a cavity that penetrates the cavity resonator (1) and is housed inside it, with a total reflection aα mirror facing each other at both ends, and a partially transmitting mirror ( 6) and inside this discharge tube (2).
この放電管（２）の両端部を互いに連通させる連通管−
内にはレーザ媒質ガス（３）が封入されており、このレ
ーザ媒質ガス（３）ハ、連通管（イ）に装着され九熱交
換器（４）によって冷却され、さらにこの熱交換器（４
）に隣接する送風機（５）によって矢印方向に循環する
ようになされている。（８）は空胴共振器（１）内に連
通する導波管（９）の一端に装着されたマグネトロン等
からなるマイクロ波発生器で、このマイクロ波発生ｉＴ
） （８）は所定電圧の電源（６）に対応するマイクロ
波（７）を出力するようになされており、また空胴共振
器（１）はマイクロ波（７）の周波数に共振するように
構成されている。A communication tube that connects both ends of this discharge tube (2) to each other.
A laser medium gas (3) is sealed inside, and this laser medium gas (3) is attached to the communication tube (a) and cooled by a heat exchanger (4).
) is arranged to circulate in the direction of the arrow by a blower (5) adjacent to the air blower (5). (8) is a microwave generator consisting of a magnetron etc. attached to one end of a waveguide (9) communicating with the cavity resonator (1), and this microwave generating iT
) (8) is configured to output a microwave (7) corresponding to a power source (6) of a predetermined voltage, and the cavity resonator (1) is configured to resonate at the frequency of the microwave (7). It is configured.
従来のレーザ発振装置は上記のように構成されているの
で、マイクロ波発生器（８）が発生するマイクロ波電力
が空胴共振器（１）内において共振されることによって
電界が高くなり、放電管（２）内でマイクロ波放電（転
）が発生する。なお、この放電管（２）はガラス等の誘
電体によって作られているので、マイクロ波が放電管（
２）内を容易に通過することができる。そして、マイク
ロ波放電αＩｒｃマイクロ波電力が吸収されることによ
ってレーザ媒質ガス（３）が励起され、放電管（２）の
両端部にそれぞれ取付けられた全反射鏡（１１と、部分
透過鏡（６）とによってレーザ発振現象が発生し、レー
ザ光（至）が出力される。Since the conventional laser oscillation device is configured as described above, the microwave power generated by the microwave generator (8) is resonated within the cavity resonator (1), increasing the electric field and causing a discharge. A microwave discharge occurs within the tube (2). In addition, since this discharge tube (2) is made of a dielectric material such as glass, the microwaves are not transmitted through the discharge tube (2).
2) can be easily passed through. The laser medium gas (3) is excited by absorption of the microwave discharge αIrc microwave power, and the total reflection mirror (11) and the partial transmission mirror (6) attached to both ends of the discharge tube (2) are activated. ), a laser oscillation phenomenon occurs, and laser light (to) is output.
なお、上記電源（ロ）の電圧制御によってマイクロ波発
生ｎ （８）のマイクロ波電力強度を変換することによ
り、レーザ媒質ガス（３）の励起強度が調整され、レー
ザ光（２）の出力強度を制御することができる。In addition, by converting the microwave power intensity of microwave generation n (8) by controlling the voltage of the power source (b), the excitation intensity of the laser medium gas (3) is adjusted, and the output intensity of the laser beam (2) is adjusted. can be controlled.
従来のレーザ発振装置は上記のように構成されているの
で、高出力のレーザ光（イ）を出力するためには必然的
に長さの長い放電管（２）を必要とし、しかもこの放電
管（２）を収容する空胴共振器（１）も共に長くなるた
め、レーザ発振装置が大型になる欠点がるる。Since the conventional laser oscillation device is configured as described above, in order to output high-power laser light (a), a long discharge tube (2) is inevitably required, and this discharge tube Since the cavity resonator (1) accommodating (2) also becomes long, there is a disadvantage that the laser oscillation device becomes large.
この発明はかかる点に着目してなされたもので高出力の
レーザ光を出力するものであっても小型に構成すること
ができるレーザ発振装置を提供しようとするものである
。The present invention has been made with this point in mind, and it is an object of the present invention to provide a laser oscillation device that can be constructed in a small size even if it outputs high-output laser light.
この発明にがかるレーザ発振装置は、高出力のレーザ光
を出力するために放電管の長さを実質的に長くするため
の手段として放電管を空胴共振器内に分割して平行に収
容するようにしたものである。The laser oscillation device according to the present invention divides the discharge tube into a cavity resonator and houses the discharge tube in parallel as a means for substantially increasing the length of the discharge tube in order to output high-power laser light. This is how it was done.
この発明においては、高出力のレーザ光を出力する九め
に長くなった放電管を空胴共振器内に分割して並列に収
容するようにし九ので、放電管はもちろん、空胴共振器
の長さも長くならず、レーザ発振装置の小形化に貢献す
るものでるる。In this invention, an extra-long discharge tube that outputs high-power laser light is divided into cavity resonators and housed in parallel. The length does not become long and contributes to miniaturization of the laser oscillation device.
第１図はこの発明の一実施例を示すものであるが、上述
した従来のもの（第２図）と同一符号は同一構成部材に
つき、その説明を省略する。FIG. 1 shows one embodiment of the present invention, and the same reference numerals refer to the same constituent members as in the conventional system (FIG. 2) described above, and the explanation thereof will be omitted.
（２Ａ）、 （２Ｂ）は空胴共振器（１）を貫通して
これの内部に互いに平行に収容され、それぞれの端部に
互いに対向する部分透過＃！（２）と全反射鏡（ロ）、
および全反射鏡α力と部分透過！！（ロ）を装着した複
数の放電管で、この両放電管（２Ａ）、 （２Ｂ）内
と、この両放電管（２Ａ） 、 （２Ｂ）の両端部を
互いに連通させる連通管（２０■内に、はレーザ媒質ガ
ス（３）が封入されており、このレーザ媒質ガス（３）
は、連通管（２００） Ｋ装着され比熱交換器（４）に
よって冷却され。(2A), (2B) are housed in parallel to each other through the cavity resonator (1), and are partially transparent #! at their respective ends facing each other. (2) and a total reflection mirror (b),
And total reflection mirror α power and partial transmission! ! A plurality of discharge tubes equipped with (b) are equipped with a communication tube (20 is filled with a laser medium gas (3), and this laser medium gas (3)
is connected to a communication pipe (200) and cooled by a specific heat exchanger (4).
さらにこの熱交換器（４）に隣接する送風機（５）によ
って矢印方向に両放電管（２Ａ）、 （２Ｂ）に分流
して循環するようになされている。また１両放電管（２
Ａ）、 （２Ｂ）内で発生するマイクロ波放電（１０Ａ
）。Further, by means of a blower (5) adjacent to this heat exchanger (4), the air is distributed to both discharge tubes (2A) and (2B) in the direction of the arrow for circulation. Also, 1 discharge tube (2
Microwave discharge (10A) generated in A), (2B)
).
（１０Ｂ）は、空胴共振器（１）内のモードを適正に設
定することにより、同時に発生させることができる。(10B) can be generated simultaneously by appropriately setting the mode within the cavity resonator (1).
なお、上述した一実施例は、空胴共振器（１）内に一対
の放電管（２Ａ）、 （２Ｂ）を互いに平行して収容
し九場合について述べたが、一対以上であっても同様の
効果を奏することはいうまでもない。In the above-mentioned embodiment, a pair of discharge tubes (2A) and (2B) are housed in parallel to each other in the cavity resonator (1), and nine cases have been described, but the same applies even if there are more than one pair. Needless to say, it has the following effect.
以上述べたように、この発明によれば、高出力のレーザ
光を出力する究めに長くなった放電管を空胴共振器内に
分割して収容するようにしたので、放電管はもちろん、
空胴共振器の長さも長くならず、レーザ発振装置の性能
を低下させることなくレーザ発振装置の小型化に貢献す
る優れた効果を有するものでめる。As described above, according to the present invention, an extremely long discharge tube that outputs high-power laser light is divided and housed in the cavity resonator, so that not only the discharge tube but also the
The length of the cavity resonator does not become long, and it has an excellent effect of contributing to miniaturization of the laser oscillation device without deteriorating the performance of the laser oscillation device.
第１図はこの発明の一実施例を示す構成図、第２＠は従
来のレーザ発振装置を示す構成図である。FIG. 1 is a block diagram showing an embodiment of the present invention, and Figure 2 is a block diagram showing a conventional laser oscillation device.
Claims (3)
ザ媒質ガスを封入しマイクロ波放電を発生させる複数の
放電管を収容したことを特徴とするレーザ発振装置。(1) A laser oscillation device characterized in that a plurality of discharge tubes that enclose a laser medium gas and generate microwave discharge are housed in a cavity resonator equipped with a microwave generator.
放電を所定方向に反射させる複数の全反射鏡と、部分透
過鏡とを設けたことを特徴とする特許請求の範囲第１項
記載のレーザ発振装置。(2) Claim 1, characterized in that a plurality of total reflection mirrors and a partial transmission mirror are provided at both ends of the plurality of discharge tubes, each of which reflects microwave discharge in a predetermined direction. laser oscillation device.
に、レーザ媒質ガスを冷却する熱交換器と、レーザ媒質
ガスを所定方向に循環させる送風機とを設けたことを特
徴とする特許請求の範囲第１項記載のレーザ発振装置。(3) A patent characterized in that a heat exchanger that cools the laser medium gas and a blower that circulates the laser medium gas in a predetermined direction are provided in a communication tube that communicates both ends of a plurality of discharge tubes with each other. A laser oscillation device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6076785A JPS61220487A (en) | 1985-03-27 | 1985-03-27 | Laser oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6076785A JPS61220487A (en) | 1985-03-27 | 1985-03-27 | Laser oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61220487A true JPS61220487A (en) | 1986-09-30 |
Family
ID=13151754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6076785A Pending JPS61220487A (en) | 1985-03-27 | 1985-03-27 | Laser oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61220487A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991005450A1 (en) * | 1989-10-07 | 1991-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for electrically exciting a gas with microwaves |
-
1985
- 1985-03-27 JP JP6076785A patent/JPS61220487A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991005450A1 (en) * | 1989-10-07 | 1991-04-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for electrically exciting a gas with microwaves |
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