JPS5953806A - Mirror holder for laser oscillator - Google Patents

Mirror holder for laser oscillator

Info

Publication number
JPS5953806A
JPS5953806A JP16562082A JP16562082A JPS5953806A JP S5953806 A JPS5953806 A JP S5953806A JP 16562082 A JP16562082 A JP 16562082A JP 16562082 A JP16562082 A JP 16562082A JP S5953806 A JPS5953806 A JP S5953806A
Authority
JP
Japan
Prior art keywords
mirror
plate
members
laser oscillator
holding plate
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
Application number
JP16562082A
Other languages
Japanese (ja)
Inventor
Togo Nishioka
西岡 統吾
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP16562082A priority Critical patent/JPS5953806A/en
Publication of JPS5953806A publication Critical patent/JPS5953806A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
    • G02B7/182Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
    • G02B7/1822Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
    • G02B7/1824Manual alignment
    • G02B7/1825Manual alignment made by screws, e.g. for laser mirrors

Abstract

PURPOSE:To maintain a mirror at a stable angle by disposing space adjustment members symmetrically with respect to the mirror so that the deformation of a mirror holding plate is negated among the adjustment members when a temp. change arises. CONSTITUTION:A mirror holder for a laser oscillator consists of three pieces of space adjustment members 4' which are penetrated at one end orthogonally through the respective vertex positions of a virtual regular triangle B having a barycenter at the mirror center A drawn on the surface of a mirror holding plate 3. The other ends of said members are connected to a reference plate 1..., and the plate 3 is made freely discretely adjustable to approach to or part from the reference plate 1. The constitution for the reset is the same as in the prior art. Since the members 4' are disposed symmetrically with respect to the mirror 2, the deformation of the plate 3 is negated among the members 4' when a temp. change arises by which the mirror 2 is maintained at a stable angle and the fluctuation in the laser output is prevented.

Description

【発明の詳細な説明】 産業上の利用分野 この発明はレーザ発振器用ミラー保持装置に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a mirror holding device for a laser oscillator.

従来例の構成とその問題点 レーザ発振器において、全反射鏡および半透過鏡の各ミ
ラー角度がレーザ出力に及ぼす影響は、第1図に示すよ
うに大なるものであシ、ミラー角度を安定に保持するか
は、重要な課題である。
Conventional configuration and its problems In a laser oscillator, the mirror angles of the total reflection mirror and the semi-transmission mirror have a large effect on the laser output, as shown in Figure 1. Therefore, it is necessary to stabilize the mirror angle. Whether or not to maintain it is an important issue.

従来のミラー保持構造を第2図に示す。すなわち、レー
ザ発振器(図示せず)の両端においてレーザ管軸に直交
配置した基準板1に、全反射鏡および半透過鏡であるミ
ツ−2を固定したミラー保持板3を対向配置するととも
に、このミラー保持板3を3本のr#FJ隔胸整部材4
によシ基準板1へ連結したもので、これら間隔調整部材
4によりミラー保持板3を基準板1に対して個別に接近
・離隔調整することによシ、ミラー2の角度調整を行な
う。
A conventional mirror holding structure is shown in FIG. That is, a mirror holding plate 3 to which a total reflection mirror and a semi-transmission mirror 2 are fixed is placed opposite to a reference plate 1 placed perpendicular to the laser tube axis at both ends of a laser oscillator (not shown). Attach the mirror holding plate 3 to the three r#FJ septum adjustment members 4
The angle of the mirror 2 is adjusted by individually adjusting the distance between the mirror holding plate 3 toward and away from the reference plate 1 using these space adjustment members 4.

ところが、間隔調整部材4はミラー2に対してL形に配
置され、すなわち、ミツ−2に対して非対称に配置させ
るため、ミラー保持板3が温度変化により変形すると、
間隔調整部材4のあるコーナ部三点は固定されて変化し
な込が、間隔調整部材4のない残りのコーナ部に変位を
生じ、その影響が、ミツ−2の角fff化にまで及んで
、レーザ出力を変動させるという欠点を有していた。
However, since the spacing adjustment member 4 is arranged in an L shape with respect to the mirror 2, that is, arranged asymmetrically with respect to the mirror 2, when the mirror holding plate 3 is deformed due to temperature changes,
The three points of the corner part where the distance adjustment member 4 is located are fixed and change, but the remaining corner parts where the distance adjustment member 4 is not located are displaced, and this influence extends to the corner fff of Mitsu-2. , which had the disadvantage of varying the laser output.

発明の目的 この発明の目的は、温度変化が生じてもミラー角度を安
定に保つことができるレーザ発振器用ミヲー保持装置を
提供することである。
OBJECTS OF THE INVENTION An object of the present invention is to provide a mirror holding device for a laser oscillator that can maintain a stable mirror angle even when temperature changes occur.

発明の構成 この発明のレーザ発振器用ミラー保持装置は、3木の間
隔調整部材を、ミラー保持板上に描いたミラー中心に重
心をもつ仮想正三角形の各頂点位置と基準板間にそれぞ
れ連結することによシ、財い換えれば、各間隔調整部材
をミラーに対17て対称配置することにより、ミラー保
持板の温)W 鮒化による変形を各間隔調整部材相互間
で打消して、ミラー角度を安定に保つものである。
Structure of the Invention The laser oscillator mirror holding device of the present invention connects three space adjustment members between each vertex position of a virtual equilateral triangle drawn on a mirror holding plate and having its center of gravity at the mirror center and a reference plate. In particular, by arranging the distance adjusting members symmetrically with respect to the mirror, the deformation caused by the heating of the mirror holding plate can be canceled out between the distance adjusting members, and the mirror This is to keep the angle stable.

実施例の説明 この発明の一実施例を第3図を用−て説明する。Description of examples An embodiment of this invention will be described with reference to FIG.

すなわち、このレーザ発振器用ミラー保持装置は、同図
に示すように、3木の間隔調整部4A4′の一端を、ミ
ラー保持阪3の表1m上に描いたミラー中・UAに重心
をもつ仮想正三角形Bの各頂点位置に直交貫通するとと
もに、他端を基準板lへ連結して、これら各間隔調整部
材4′によシミラー保持板3を基準板1に対して個別に
撥近・N1隔調整自在としたもので、その他の構成は上
記従来例と同様であるので同一部分に同一符号を付して
その説明を省略する。
In other words, this laser oscillator mirror holding device, as shown in the same figure, connects one end of the three-piece spacing adjustment section 4A4' to a virtual center of gravity in the mirror center UA drawn on the table 1m of the mirror holding plate 3. It passes orthogonally through each apex position of the equilateral triangle B, and the other end is connected to the reference plate l, and each of these interval adjustment members 4' individually pulls the similar holding plate 3 toward and near the reference plate 1. The distance can be freely adjusted, and the other configurations are the same as those of the conventional example, so the same parts will be given the same reference numerals and the explanation thereof will be omitted.

このように、各間隔調整部材4′をミラー2に対して対
称配置したため、温度変化が生じても、ミラー保持板3
の変形は各間隔調整部材4′相互間で打消されてミラー
2の角度を安定に保つことができ、レーザ出力の変動を
防止できる。
In this way, since each interval adjustment member 4' is arranged symmetrically with respect to the mirror 2, even if a temperature change occurs, the mirror holding plate 3
This deformation is canceled out between the respective spacing adjustment members 4', so that the angle of the mirror 2 can be kept stable, and fluctuations in the laser output can be prevented.

発明の効果 この発明によれば、温度変化が生じてもミラー角度を安
定に保つことができるという効果が得られる。
Effects of the Invention According to the present invention, it is possible to maintain the mirror angle stably even if a temperature change occurs.

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

第1図はレーザ発振器におけるミラー角度の変化と出力
との関係を示す説明図、第2図(alおよび(blはそ
れぞれ従来のミラー保持装置を示す正1■図および断面
図、第3図(alおよび(b)はそれぞれこの発明の一
実施例の正面図および断面図である。 1・・・基準板、2・・・ミラー、3・・・ミラー保持
板、4′・・・間隔調整部材、A・・・ミラー中心、B
・・・仮想正三角形
Figure 1 is an explanatory diagram showing the relationship between the change in mirror angle and the output in a laser oscillator, Figure 2 (al and (bl) are a front view and cross-sectional view, respectively, showing a conventional mirror holding device, and Figure 3 ( al and (b) are a front view and a sectional view, respectively, of an embodiment of the present invention. 1...Reference plate, 2...Mirror, 3...Mirror holding plate, 4'... Spacing adjustment Component, A...Mirror center, B
...virtual equilateral triangle

Claims (1)

【特許請求の範囲】[Claims] レーザ管軸に直交配置し九基準板と、この基準板に対向
したミラー保持板と、このミラー保持板に取付けたミラ
ーと、前記ミラー保持板に描いたミラー中心に重心をも
つ仮想正三角形の各頂点位置と前記基準板間に連結した
3本の間隔調整部材とを備えたレーザ発振器用ミラー保
持装置。
A nine reference plate arranged orthogonally to the laser tube axis, a mirror holding plate facing this reference plate, a mirror attached to this mirror holding plate, and an imaginary equilateral triangle drawn on the mirror holding plate with its center of gravity at the center of the mirror. A mirror holding device for a laser oscillator, comprising three interval adjusting members connected between each vertex position and the reference plate.
JP16562082A 1982-09-20 1982-09-20 Mirror holder for laser oscillator Pending JPS5953806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16562082A JPS5953806A (en) 1982-09-20 1982-09-20 Mirror holder for laser oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16562082A JPS5953806A (en) 1982-09-20 1982-09-20 Mirror holder for laser oscillator

Publications (1)

Publication Number Publication Date
JPS5953806A true JPS5953806A (en) 1984-03-28

Family

ID=15815818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16562082A Pending JPS5953806A (en) 1982-09-20 1982-09-20 Mirror holder for laser oscillator

Country Status (1)

Country Link
JP (1) JPS5953806A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642209U (en) * 1987-06-24 1989-01-09
JPH01206958A (en) * 1988-02-10 1989-08-21 Morinaga Milk Ind Co Ltd Production of fermented material of beer cake for feed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS642209U (en) * 1987-06-24 1989-01-09
JPH01206958A (en) * 1988-02-10 1989-08-21 Morinaga Milk Ind Co Ltd Production of fermented material of beer cake for feed

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