JPS583296A - Laser oscillator - Google Patents

Laser oscillator

Info

Publication number
JPS583296A
JPS583296A JP56101872A JP10187281A JPS583296A JP S583296 A JPS583296 A JP S583296A JP 56101872 A JP56101872 A JP 56101872A JP 10187281 A JP10187281 A JP 10187281A JP S583296 A JPS583296 A JP S583296A
Authority
JP
Japan
Prior art keywords
mirror
laser
aperture
laser oscillation
aperture part
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.)
Granted
Application number
JP56101872A
Other languages
Japanese (ja)
Other versions
JPS6317234B2 (en
Inventor
Takashi Ando
隆 安藤
Tetsuo Ishihara
哲夫 石原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56101872A priority Critical patent/JPS583296A/en
Publication of JPS583296A publication Critical patent/JPS583296A/en
Publication of JPS6317234B2 publication Critical patent/JPS6317234B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08Construction or shape of optical resonators or components thereof
    • H01S3/086One or more reflectors having variable properties or positions for initial adjustment of the resonator

Abstract

PURPOSE:To facilitate alteration of laser oscillation mode by arranging an aperture part having a plurality of holes of different hole shapes movably from the exterior of a laser oscillator. CONSTITUTION:A large hole bore 13a of an aperture part 13 is disposed on the front surface of a mirror 18. To alter the laser oscillation of multiple modes to single mode, a stopper bolt 18 is loosened, the aperture part 13 is moved leftwardly through a guide rod 14 by a handle 16, and the bolt 18 is tightened. Thus, the small bore 13b of the aperture part 13 is disposed on the front surface of the mirror 8, and the laser of the single mode can be oscillated. In the operation of altering single mode to the multiple modes, the operations are performed reversely to the above order. The slide part between the rod 14 and a bearing 15 is hermetically sealed.

Description

【発明の詳細な説明】 この発明は、I/−f発振装置の改良に関するもので、
特にレーザ発振モードの変更を容易に操作することを目
的とする。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to improvement of an I/-f oscillation device,
In particular, the purpose is to easily change the laser oscillation mode.

従来、この種の装置として第1図、第、2図に示すもの
があった。
Conventionally, there have been devices of this type as shown in FIGS. 1, 2, and 2.

とnらの図において、山な発振器箱で、この発振器箱山
t−貫通する複数の支持欅籠2)の@部に一対のベース
板(31が取付けられて匹る。上記支持棒(2)は低膨
張係数の合金材料で形成さn9発振器箱(1)の温習変
化に対するW度への影響を防ぐとともにベース板(31
間の平行度を保持する。
In the figures of ``and'' et al., a pair of base plates (31) are attached to the @ part of the oscillator box (t) and a plurality of support cages (2) passing through the oscillator box. ) is made of an alloy material with a low expansion coefficient to prevent the W degree from being affected by changes in temperature of the N9 oscillator box (1), and also to prevent the base plate (31
maintain parallelism between

そして、このベース板(3)上にミラー調整装置本体が
取付けられている。、+41は調整板で、この調整板(
4)はベース板(31上に0点を基準点として配役ざ九
、調整板(41に醐足された2個のマイクロメータ+5
1 K工りXfi、Y軸に関すし#x、りの回転方向に
角度調fできる構造となっている。、16+は上記調整
板(4)をガイドとする一組のスライダで、それぞれ対
向位置に配設さnた4本の位置決めねじα@によりX軸
、Y軸の平面上を位[調整される。(7)け−組の水冷
ミラーホルダ、(8)は −このミラーホルダ(7)に
保臂されたミラーで、上記スライダ(6)に固定されて
匹る。19+は開口部を有したアパーチャ部で、上記ミ
ラー(81の前圓位置に配設され、水冷ミラーホルダ(
7)にねじ締めされて固定される。
A mirror adjustment device main body is mounted on this base plate (3). , +41 is an adjustment plate, and this adjustment plate (
4) is the base plate (31, with the 0 point as the reference point), the adjustment plate (2 micrometers added to 41 + 5)
1 K machining , 16+ are a set of sliders guided by the adjustment plate (4), and are adjusted in position on the planes of the . (7) A set of water-cooled mirror holders, (8) - A mirror held in this mirror holder (7) and fixed to the slider (6). 19+ is an aperture portion having an opening, which is disposed at the front circle position of the mirror (81) and is attached to the water-cooled mirror holder (
7) is fixed by tightening the screws.

ところで、上記レーザ発振装置によって発振されるレー
ザは、加工対象物に適応するよう例えばマルチモードか
らシングルモードに変更したり、あるいはこの逆の操作
を行なうことによって所望のレーザを発根させている。
Incidentally, the laser oscillated by the laser oscillation device described above is changed to suit the object to be processed, for example, by changing from multi-mode to single-mode, or by performing the reverse operation to generate a desired laser beam.

なお、一般に、上記マルチモードのレーザは発振される
レーザ経が大きく、かつ高出力となり、シングルモード
のレーザはレーザ経が小さく、かつその出力も小さくな
る。
In general, the multi-mode laser has a large laser diameter and high output, whereas the single-mode laser has a small laser diameter and output.

このようなレーザ発振モードを決定する工は。What is the process for determining such a laser oscillation mode?

ミラー(8)の前面に配設されたアパーチャ部(9)の
開口径に従ってなされるので、加工対象物に適応する開
口径を有するアパーチャ部(9)とその都度変更するこ
とが要求されるものである。
This is done according to the opening diameter of the aperture section (9) arranged on the front surface of the mirror (8), so the aperture section (9) has an opening diameter that adapts to the workpiece and must be changed each time. It is.

上記の工うに構成されたレーザ発振装置において、レー
ザ発振モードを変更するには、真空封じされた発振装置
の内部圧力を大気圧に戻し。
In the laser oscillation device configured as described above, in order to change the laser oscillation mode, the internal pressure of the vacuum-sealed oscillation device is returned to atmospheric pressure.

ミラーホルダをミラーm整部からはずし、さらにその後
、アパーチャ部を変換しなければならず、したがってこ
のアパーチャ部交換毎に排気や真窒引き、レーザガスの
封入操作、あるいは精密光学部の着脱操作が必要で、上
記アパーチャ部の交換操作が繁雑となる欠点があった。
It is necessary to remove the mirror holder from the mirror adjustment section and then change the aperture section. Therefore, each time the aperture section is replaced, it is necessary to perform evacuation, purification, filling of laser gas, or attaching and detaching the precision optical section. However, there is a drawback that the operation for replacing the aperture section is complicated.

この発明は上記のような従来の欠点を除去するためにな
されたもので、開口形状が異なる複数の穴を有するアパ
ーチャ部を、レーザ発振器の外部から移動1り能に配設
し、レーザ発振装置内のV3部圧力を維持したまま、ミ
ラー前回の開口穴がFFr望の大きさのものに交Il!
されて、容易にレーザ発振モードの変更ができるレーザ
発振装置を提供すること全目的としている。
This invention was made in order to eliminate the above-mentioned drawbacks of the conventional laser oscillator. While maintaining the internal V3 pressure, change the opening hole of the previous mirror to the desired size of FFr!
The overall purpose of the present invention is to provide a laser oscillation device in which the laser oscillation mode can be easily changed.

以下、この発明の一実施例を第3図〜第5図について説
明する。
An embodiment of the present invention will be described below with reference to FIGS. 3 to 5.

こ九らの図において、第1図、第2図と同一符号は同一
または相当部分を示してiるので説明盆省略する。
In these figures, the same reference numerals as in FIGS. 1 and 2 indicate the same or corresponding parts, so the explanation will be omitted.

tlllt:jハウジングで、このノーウジフグaυは
調整板(4;をガイドとするスライダ(6]に固定され
、角度および位置の微薊整をすることができる。azは
ミラーホルダ取付板で、上記ハウジング(illの1I
II面に配設され、水冷ミラーホルダ(7)ヲ介してミ
ラー(8)t−固定する。(131は大小2個の開口径
の穴(13aJ (13b)が形成された板状のアパー
チャ部で、このアパーチャK(l [131は上記)・
クジフグ(11)に内蔵されている。圓は上記アパーチ
ャIJ t131に連結された2本のガイド*、 05
1はこのガイドm[141をガイドする軸受、(1υは
ハンドルで、−ヒ記アパーチャ部[131が軸受051
ヲガイドとして外部へ引出されたとき、ガイド憚αaの
内部がハンドル(1−によって固定される。口9は上記
アパーチャ部[31の小開口径穴(13Jの位置決めt
するストッハーナッ)、1181tj上記アパ一チヤ部
(131の大開口径穴(13a)の位置決めをするスト
ッパーボルトである。なお、上記装置においてガイド俸
[141と軸受[151など発振装置V3部と外部部に
連通して摺動する部分には0リノグを配設することによ
って内部の気密を保持するようシールしている一次に、
この発明による装置において発振モードを変更する操作
手順につiて説明する。
tllllt:j In the housing, this nouji puffer aυ is fixed to a slider (6) guided by an adjustment plate (4), and the angle and position can be finely adjusted. az is a mirror holder mounting plate, which is attached to the above housing. (ill's 1I
A mirror (8) is disposed on the surface II and fixed via a water-cooled mirror holder (7). (131 is a plate-shaped aperture part in which holes (13aJ (13b)) with two large and small opening diameters are formed, and this aperture K (l [131 is above)
It is built into Kujifugu (11). The circle is two guides connected to the above aperture IJ t131*, 05
1 is a bearing that guides this guide m [141, (1υ is a handle, - H) aperture part [131 is a bearing 051]
When pulled out to the outside as a guide, the inside of the guide αa is fixed by the handle (1-).
This is a stopper bolt for positioning the large diameter hole (13a) of the aperture part (131).In addition, in the above device, the guide ball [141 and bearing [151] are connected to the oscillation device V3 part and the external part. The primary part, which is sealed to maintain internal airtightness by installing Olinogu on the communicating and sliding parts,
The operating procedure for changing the oscillation mode in the device according to the present invention will be explained.

φま、ミラー(1秒の前面にはアパーチャ部00大開日
経穴(13a)が位置し、マルチセードのレーザが発振
さnているものとする。これを77グルモードに変更す
るには、ストッパーボルトG31tゆるめ、ハンドル(
161によりガイドtlG41を介してアパーチャ部1
N31を第3図中左方VC移動させストッパーボルトa
llllを締付ける。これにエリミラー(8)の前面に
上記アパーチャg圓jの小開口径穴(1:3b)が位置
し、シングルモードのレーザが発振される。
It is assumed that the aperture part 00 large opening acupuncture hole (13a) is located in front of the mirror (1 second) and the multi-sade laser is oscillating.To change this to 77g mode, press the stopper bolt. G31t loosen, handle (
161 through the guide tlG41 to the aperture section 1.
Move N31 to the left VC in Figure 3 and remove stopper bolt a.
Tighten lllll. In addition, a small diameter hole (1:3b) with the above-mentioned aperture g is located in front of the Elimirror (8), and a single mode laser is oscillated.

さらに、シングルモードからマルチモードに変更する操
作は、上述の操作と逆にアパーチャ部(In−@3図甲
右万に移動させることに工っで行なえばよい。
Furthermore, the operation for changing from the single mode to the multi-mode can be performed by moving the aperture part (In-@3 to the right of Figure 3) in the opposite manner to the above-mentioned operation.

上記レーザ発振モードの変¥操作において。In the operation of changing the laser oscillation mode mentioned above.

カイトmaΦと軸受d51との摺動部はンール状態とな
っており、レーザ発振装置内のレーザガス圧#′i変動
しない。
The sliding part between the kite maΦ and the bearing d51 is in a closed state, and the laser gas pressure #'i in the laser oscillation device does not fluctuate.

なお、上記実施例ではアパーチャ部に大小2個の開口径
の穴を形成した場合について説明したが、開口形状の異
なる複数の開口穴を有するアパーチャ部とすnば、レー
ザ発振モードの変更範囲が拡大さ几、それだけ加工適用
範囲を増すことができる。
In the above embodiment, a case was explained in which holes with two large and small opening diameters were formed in the aperture section, but if the aperture section has a plurality of opening holes with different opening shapes, the range of changing the laser oscillation mode can be changed. The more the process is expanded, the more the processing range can be increased.

以上のようにこの発明は、開口形状の異なる複数の穴を
有するアパーチャ部を装置の外部から操作し、ミラーの
前面に位置する穴を他の穴と交換できるようにしたので
、装置173邪のレーザガス交換の必要がなく、レーザ
発振モードの変更を容易に行なうことができる効果があ
る。
As described above, in the present invention, the aperture portion having a plurality of holes with different opening shapes can be operated from outside the device and the hole located on the front side of the mirror can be replaced with another hole. There is no need to replace the laser gas, and the laser oscillation mode can be easily changed.

【図面の簡単な説明】[Brief explanation of drawings]

第11gは従来のレーザ発振装装を示す平面図。 第2図Fi第、1図の11!lによる断面図、第3図は
この発明の一実施例にするレーザ発振装置の平面図、第
4肉は第3図のIV−IV線による断面図、第5図は第
3因のv−■−による断面図である。 図において、同一符号は同一または相当部分を示し、 
+11t′i発振器箱、(4)は調整板、(7)は水冷
ミラーホルダ、(8)はミラー、 (IIは位置決めね
じ。 tillはハウジング、α2JF′iミラホルダ取付板
、 t13はアパーチャ部、  (13a) (14a
)は穴、 (14+はガイド俸。 (151は軸受、ueはハフドル、aηはストッパーナ
ラ)、Ga4はストッパーボルトでアル。 代理人 葛野信− 114図 IIs図 手続補正書(自発) 昭和 5へ 9月 10日 1、事件の表示    特願昭56−101872号2
、発明の名称    レーザ@娠装厘3、補正をする者 & 補正の対象 11)明a書の発明の詳細な説明の欄 +21 1j11mlの図面の簡単な説明の掴6 補正
の内容 (11明細書の第2ページ第12行目のrX軸。 Y軸に関すしJtrX軸、Y軸に関して」と訂正する。 (21同上第3ページ第12行目の「決定するよけ」を
「決定するのは」と訂〆正する。 (3)同上第5ページ第17行目の「外部部に遅過して
」ヲ「外部[)1通して」と訂正する。 (4)  同上第5ページ第20行目の「装置NKあh
て」會「装置において」と訂正する。 (51同上第6ペ一ジ第2行目の「ミラーQ8のJt−
rミラー(8)の」と訂正する。 (6)同上第8ページ第3行目のr (13aJ (1
4aJは穴e  J t r (13a)(13b) 
i;j穴、」ト訂正する。 以上
No. 11g is a plan view showing a conventional laser oscillation equipment. Figure 2 Fi No. 11 of Figure 1! 3 is a plan view of a laser oscillation device according to an embodiment of the present invention, the fourth portion is a sectional view taken along line IV-IV in FIG. 3, and FIG. ■It is a sectional view according to -. In the figures, the same reference numerals indicate the same or equivalent parts,
+11t'i oscillator box, (4) is adjustment plate, (7) is water-cooled mirror holder, (8) is mirror, (II is positioning screw. till is housing, α2JF'i mirror holder mounting plate, t13 is aperture part, ( 13a) (14a
) is the hole, (14+ is the guide salary. (151 is the bearing, ue is the huff dollar, aη is the stopper nut), Ga4 is the stopper bolt. Agent Makoto Kazuno - 114 Figure IIs figure procedure amendment (self-motivated) To 1939 September 10th 1, Indication of the incident Patent Application No. 1983-101872 2
, Title of the invention Laser @ Pregnancy Equipment 3, Person making the amendment & Subject of the amendment 11) Column for detailed explanation of the invention in the specification a + 21 1j 11ml brief explanation of the drawings 6 Contents of the amendment (11 specification rX-axis in the 12th line of the 2nd page of . (3) Correct "Delayed to the external section" in the 17th line of the 5th page of the same above as "through the outside [)1". (4) 5th page of the same above Line 20: “Device NKah
Correct "at the equipment". (51 Same as above, page 6, line 2, “Mirror Q8 Jt-
r mirror (8)'. (6) r (13aJ (1
4aJ is hole e J t r (13a) (13b)
Correct the i;j holes. that's all

Claims (2)

【特許請求の範囲】[Claims] (1)  レーザ発振用のミラーと、このミラー前面に
配設され、開口形状が異なる複数の穴を有するアパーチ
ャ部と、このアパーチャ部に連結され、装置外部から上
記アパーチャ部を移動させる操作手段と、上記アパーチ
ャ部の穴のひとつがミラーの前面位置に停止するよう固
定させる固定手段と全備えたレーザ発振装置。
(1) A mirror for laser oscillation, an aperture section disposed on the front surface of the mirror and having a plurality of holes with different opening shapes, and an operating means connected to the aperture section for moving the aperture section from outside the device. , a laser oscillation device fully equipped with a fixing means for fixing one of the holes of the aperture portion to a position in front of the mirror;
(2)  操作手段と装置本体とは気密を保持して摺動
することを特徴とする特許請求の範囲第1項に記載のレ
ーザ発振装置。
(2) The laser oscillation device according to claim 1, wherein the operating means and the device body slide while maintaining airtightness.
JP56101872A 1981-06-30 1981-06-30 Laser oscillator Granted JPS583296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56101872A JPS583296A (en) 1981-06-30 1981-06-30 Laser oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56101872A JPS583296A (en) 1981-06-30 1981-06-30 Laser oscillator

Publications (2)

Publication Number Publication Date
JPS583296A true JPS583296A (en) 1983-01-10
JPS6317234B2 JPS6317234B2 (en) 1988-04-13

Family

ID=14312066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56101872A Granted JPS583296A (en) 1981-06-30 1981-06-30 Laser oscillator

Country Status (1)

Country Link
JP (1) JPS583296A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931256U (en) * 1982-08-23 1984-02-27 株式会社東芝 gas laser equipment
JPS59135786A (en) * 1983-01-25 1984-08-04 Mitsubishi Electric Corp Changeover device for mode of laser oscillator
JPS60160189A (en) * 1984-01-31 1985-08-21 Mochida Pharmaceut Co Ltd Laser oscillator of mode change-over type
JPS60160188A (en) * 1984-01-31 1985-08-21 Mochida Pharmaceut Co Ltd Laser oscillation tube of mode change-over type
JPS62232984A (en) * 1986-04-01 1987-10-13 アマダ エンジニアリング アンド サ−ビス カンパニ− インコ−ポレ−テツド Iris changer of laser resonator
JPS6362286A (en) * 1986-09-02 1988-03-18 Mitsubishi Electric Corp Laser oscillator
JP2002111099A (en) * 2000-09-29 2002-04-12 Miyachi Technos Corp Laser oscillator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281712A (en) * 1962-07-27 1966-10-25 American Optical Corp Mode-selective q-switching laser structure
US3858963A (en) * 1974-03-20 1975-01-07 Apollo Lasers Inc Transverse mode selection in lasers for holography
JPS5565921A (en) * 1978-11-10 1980-05-17 Nec Corp Special filter device
JPS56157767U (en) * 1980-04-24 1981-11-25

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281712A (en) * 1962-07-27 1966-10-25 American Optical Corp Mode-selective q-switching laser structure
US3858963A (en) * 1974-03-20 1975-01-07 Apollo Lasers Inc Transverse mode selection in lasers for holography
JPS5565921A (en) * 1978-11-10 1980-05-17 Nec Corp Special filter device
JPS56157767U (en) * 1980-04-24 1981-11-25

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5931256U (en) * 1982-08-23 1984-02-27 株式会社東芝 gas laser equipment
JPS6350857Y2 (en) * 1982-08-23 1988-12-27
JPS59135786A (en) * 1983-01-25 1984-08-04 Mitsubishi Electric Corp Changeover device for mode of laser oscillator
JPS60160189A (en) * 1984-01-31 1985-08-21 Mochida Pharmaceut Co Ltd Laser oscillator of mode change-over type
JPS60160188A (en) * 1984-01-31 1985-08-21 Mochida Pharmaceut Co Ltd Laser oscillation tube of mode change-over type
JPS62232984A (en) * 1986-04-01 1987-10-13 アマダ エンジニアリング アンド サ−ビス カンパニ− インコ−ポレ−テツド Iris changer of laser resonator
JPS6362286A (en) * 1986-09-02 1988-03-18 Mitsubishi Electric Corp Laser oscillator
JP2002111099A (en) * 2000-09-29 2002-04-12 Miyachi Technos Corp Laser oscillator

Also Published As

Publication number Publication date
JPS6317234B2 (en) 1988-04-13

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