JPH0784190A - Microscope for observing optical fiber - Google Patents

Microscope for observing optical fiber

Info

Publication number
JPH0784190A
JPH0784190A JP24997593A JP24997593A JPH0784190A JP H0784190 A JPH0784190 A JP H0784190A JP 24997593 A JP24997593 A JP 24997593A JP 24997593 A JP24997593 A JP 24997593A JP H0784190 A JPH0784190 A JP H0784190A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
objective
lenses
optical
lens
fiber
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
JP24997593A
Other languages
Japanese (ja)
Inventor
Mikio Kobayashi
Yoshiyuki Kodama
至行 児玉
己喜雄 小林
Original Assignee
Sumitomo Electric Ind Ltd
住友電気工業株式会社
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

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Abstract

PURPOSE:To observe an optical fiber without using a mirror while a microscope is fixed by arranging three objective lenses having different magnification in three directions where the same point is set as a focal point, and performing switching to the visual field of each objective lens by the combination of the tuning on/off of an illuminating lamp paired with the objective lens. CONSTITUTION:Three objective lenses 2 to 4 are arranged in three directions where the same point is set as the focal point in a single microscope lens barrel 1. The objective lenses 2 and 3 are high magnification objective lenses positioned on orthogonal optical axes, and a low magnification objective lens 4 is arranged in the middIe of two objective lenses 2 and 3 and has wide visual field and excellent operability. In the case of observing the optical fiber A, the illuminating lamp 7 is turned on and the lens 4 is operated and observed, so that the optical fiber A is moved to the vicinity of a specified observing position. Then, the lamp 7 is turned off, lamps 5 and 6 are turned on, then the optical fiber A is observed from two directions by the high magnification objective lenses 2 and 3.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は光ファイバの融着接続において、光ファイバを観察する顕微鏡に関するものである。 BACKGROUND OF THE INVENTION This invention is in the fusion splicing of optical fibers, to a microscope for observing an optical fiber.

【0002】 [0002]

【従来の技術】光ファイバの融着接続に際しては、光ファイバガラスの位置を少くとも直交する2方向から観察する必要がある。 In the fusion splicing of an optical fiber, it is necessary to observe the two orthogonal directions at least the position of the optical fiber glass. 原理的には図2に示すように、光ファイバAに対して直交する2方向に対して1個の対物レンズを有する2個の顕微鏡11,12を用いて観察する。 In principle, as shown in FIG. 2, it is observed using the two microscopes 11 and 12 with one of the objective lens with respect to the two directions perpendicular to the optical fiber A.

【0003】しかし、従来の光ファイバの観察手段としては、図3に示すように、顕微鏡12の代りに可動式の顕微鏡21と可動ミラー23を用い、顕微鏡21による光ファイバAの実像と、移動させた顕微鏡21' によるミラー23の像A'を同一方向から観察していた。 However, as the observation means of the conventional optical fiber, as shown in FIG. 3, a microscope 21 and the movable mirror 23 movable instead of the microscope 12, a real image of optical fiber A microscopic 21, moving the 'image a mirror 23 by' a microscope 21 which is has been observed from the same direction. なお、22は照明ランプである。 Incidentally, 22 denotes an illumination lamp.

【0004】 [0004]

【発明が解決しようとする課題】上述した従来の光ファイバの観察は、照明ランプ、ミラー、顕微鏡の3要素で光学系を構成しているので部品点数が多く、又ミラーの位置決め及び顕微鏡の動きを調整しなければならないという問題点があった。 [SUMMARY OF THE INVENTION] The observation of the conventional optical fiber described above, the illumination lamp, mirror, since the optical system in three elements of a microscope large number of components, and the movement of the positioning and microscopic mirrors there is a problem that must be adjusted. 又対物レンズが1個のため、一定の倍率でしか観察できず、低倍率では位置確認が難しく、高倍率では視野が狹いため操作性が悪いという問題点があった。 Also because the objective lens is one, can not be observed only at a certain magnification, the low magnification position confirmation is difficult, the field of view has a problem of poor 狹 fry usability at high magnification.

【0005】 [0005]

【課題を解決するための手段】本発明は上述の問題点を解消し、可動部分がなく、部品点数を削減し、信頼性の向上をはかった光ファイバ観察用顕微鏡を提供するもので、その特徴は、単一の鏡胴に、倍率の異なる3個の対物レンズを同一点に焦点を持つ3方向に配置し、それぞれの対物レンズの視野への切替えを対物レンズと対をなす照明ランプの点灯、消灯の組合せで行うことにある。 The present invention SUMMARY OF] is to solve the above-mentioned, no moving parts, in which the number of components is reduced, to provide an optical fiber observation microscope with improved reliability, its feature, a single barrel, arranged in three directions with focus three objective lenses having different magnifications at the same point, switching of illumination lamps constituting the objective lens and the pair of the field of view of each of the objective lens lighting is to perform a combination of off.

【0006】 [0006]

【実施例】図1は本発明の光ファイバ観察用顕微鏡の具体例の説明図である。 DETAILED DESCRIPTION FIG. 1 is an explanatory view of a specific example of the optical fiber observation microscope of the present invention. 図面に示すように、単一の顕微鏡鏡胴1に3個の対物レンズ2,3,4が同一点に焦点を持つ3方向に配置されている。 As shown in the drawings, three objective lenses 2, 3 and 4 into a single microscope lens barrel 1 are arranged in three directions with a focus on the same point. 対物レンズ2及び3は直交する光軸上に位置する高倍率対物レンズで、対物レンズ2はX方向、対物レンズ3はY方向の観察用で、これら対物レンズ2,3により光ファイバAの2方向の観察が可能となる。 A high magnification objective lens objective lens 2 and 3 is located on the optical axis orthogonal, an objective lens 2 is X-direction, in objective lens 3 in the Y direction of the observer, the second optical fiber A by these objective lenses 2 and 3 direction of observation is possible. これら2つの対物レンズ2,3の中間には低倍率の対物レンズ4が配置されており、広視野で操作性が良い。 These are two intermediate objective lenses 2 and 3 are arranged a low-magnification objective lens 4, good operability in a wide field of view. 5,6,7はいずれも照明ランプで、照明ランプ5はX方向高倍率対物レンズ2と、照明ランプ6 5, 6 and 7 at both the illumination lamp, the illumination lamp 5 and the X-directional high-magnification objective lens 2, the illumination lamp 6
はY方向高倍率対物レンズ3と、照明ランプ7は低倍率対物レンズ4とそれぞれ対をなしている。 The Y-directional high-magnification objective lens 3 illumination lamp 7 is paired respectively with the low magnification objective lens 4.

【0007】 [0007]

【作用】光ファイバAの観察に際しては、照明ランプ7 [Action] In the optical fibers A observed, illumination lamp 7
を点灯し、低倍率対物レンズ4を操作、観察することにより、光ファイバAを所定の観察位置近くに移動させる。 The lights, operate the low-magnification objective lens 4, by observing, moving the optical fiber A near predetermined observation position. 次に照明ランプ7を消灯し、照明ランプ5,6を点灯し、高倍率対物レンズ2,3で光ファイバAを2方向から同時に観察する。 Then it turned off illumination lamp 7, illuminates an illumination lamp 5 and 6, simultaneously observing the optical fiber A in two directions at a high magnification objective lenses 2 and 3. この場合まず照明ランプ5のみを点灯し、対物レンズ2で観察した後、照明ランプ5と6 In this case firstly lights only illumination lamp 5, after observing the objective lens 2, an illumination lamp 5 6
を切替え、対物レンズ3で、個別に2方向から観察するようにしてもよい。 Switching, by the objective lens 3, may be observed from individually two directions.

【0008】 [0008]

【発明の効果】以上説明したように、本発明の光ファイバ観察用顕微鏡によれば、次に列記するような利点を有する。 As described in the foregoing, according to the optical fiber observation microscope of the present invention has the advantages as will be listed. (1)直交する光軸上に配置された2個の高倍率対物レンズで光ファイバを2方向から観察できるので、ミラーが不要となり、又上記2個の対物レンズは同一点に焦点があるので、顕微鏡を固定したままで観察ができ、可動部分が不要である。 (1) Since two high magnification objective lens disposed on an optical axis orthogonal to observe the optical fiber from two directions, the mirror is not required, and since the two objective lenses may focus on the same point can observe while fixing the microscope, it is unnecessary moving parts. (2)高倍率対物レンズの中間に、低倍率の対物レンズが配置されているので、光ファイバの位置決めが広視野で実施でき、操作性が向上する。 The middle (2) high magnification objective lens, the low magnification objective lens are arranged, the positioning of the optical fiber can be implemented in a wide field of view, the operability is improved. (3)低倍率対物レンズと高倍率対物レンズの切替えを、機械的手段によらず、照明ランプの切替で行うので、スペース的制約がなく、又可動部分がないので、部品点数の削減と信頼性の向上がはかれる。 (3) the switching of the low-magnification objective lens and a high-magnification objective lens, irrespective of the mechanical means is performed by switching the illumination lamp, there is no space limitations, and since no moving parts, reduce the number of parts and reliability sex improvement of can be achieved. 従って、光ファイバの融着接続機のような工事現場へ持込む精密機械類の使用状況からみて、より軽量、小型化が実現でき、信頼性の向上、工事の高能率化に極めて効果的である。 Thus, viewed from the usage of precision machinery bringing the construction site, such as a fusion splicer for optical fibers, lighter, downsizing can be realized, improved reliability, extremely effective for higher efficiency of work is there.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の光ファイバ観察用顕微鏡の具体例の説明図である。 FIG. 1 is an explanatory view of a specific example of the optical fiber observation microscope of the present invention.

【図2】光ファイバの2方向観察の原理説明図である。 2 is an explanatory view of the principle of the two directions viewing the optical fiber.

【図3】従来の光ファイバの2方向観察方法の説明図である。 3 is an explanatory view of a two-way observation method of a conventional optical fiber.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 顕微鏡鏡胴 2,3 高倍率対物レンズ 4 低倍率対物レンズ 5 X方向照明ランプ 6 Y方向照明ランプ 7 低倍率用照明ランプ A 光ファイバ 1 microscope lens barrel 2, 3 high-magnification objective lens 4 low-magnification objective lens 5 X direction illumination lamp 6 Y-direction illumination lamp 7 low magnification illumination lamps A fiber

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 単一の鏡胴に、倍率の異なる3個の対物レンズを同一点に焦点を持つ3方向に配置し、それぞれの対物レンズの視野への切替えを対物レンズと対をなす照明ランプの点灯、消灯の組合せで行うことを特徴とする光ファイバ観察用顕微鏡。 To 1. A single lens barrel, arranged in three directions with focus three objective lenses having different magnifications at the same point, switching illumination forming the objective lens and pairs to the field of view of each of the objective lens lighting of the lamp, the optical fiber observation microscope and performing a combination of off.
JP24997593A 1993-09-10 1993-09-10 Microscope for observing optical fiber Pending JPH0784190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24997593A JPH0784190A (en) 1993-09-10 1993-09-10 Microscope for observing optical fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24997593A JPH0784190A (en) 1993-09-10 1993-09-10 Microscope for observing optical fiber

Publications (1)

Publication Number Publication Date
JPH0784190A true true JPH0784190A (en) 1995-03-31

Family

ID=17200977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24997593A Pending JPH0784190A (en) 1993-09-10 1993-09-10 Microscope for observing optical fiber

Country Status (1)

Country Link
JP (1) JPH0784190A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803721A2 (en) * 1996-04-23 1997-10-29 Sumitomo Electric Industries, Ltd. Method and apparatus for observing tip portion of optical fibers butting each other
JP2001305370A (en) * 2000-04-26 2001-10-31 Furukawa Electric Co Ltd:The Optical fiber and observation device for optical part
US6679347B2 (en) 2001-06-12 2004-01-20 Honda Giken Kogyo Kabushiki Kaisha Frame structure of motorcycle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0803721A2 (en) * 1996-04-23 1997-10-29 Sumitomo Electric Industries, Ltd. Method and apparatus for observing tip portion of optical fibers butting each other
EP0803721A3 (en) * 1996-04-23 1999-01-07 Sumitomo Electric Industries, Ltd. Method and apparatus for observing tip portion of optical fibers butting each other
US6034718A (en) * 1996-04-23 2000-03-07 Sumitomo Electric Industries, Ltd. Method and apparatus for observing tip portion of optical fibers butting each other
JP2001305370A (en) * 2000-04-26 2001-10-31 Furukawa Electric Co Ltd:The Optical fiber and observation device for optical part
JP4531925B2 (en) * 2000-04-26 2010-08-25 古河電気工業株式会社 Optical fiber, optical component of the observation apparatus
US6679347B2 (en) 2001-06-12 2004-01-20 Honda Giken Kogyo Kabushiki Kaisha Frame structure of motorcycle

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