JPH01134236U

JPH01134236U -

Info

Publication number: JPH01134236U
Application number: JP3127588U
Authority: JP
Priority date: 1988-03-09
Filing date: 1988-03-09
Publication date: 1989-09-13
Anticipated expiration: 2003-03-09
Also published as: JPH0635160Y2

Description

[Brief explanation of the drawing]

第１図は本考案に従う光フアイバ構造測定装置
の概略構成を示す図、第２図は、第１図の装置で
使用されるキヤピラリの構造説明図、第３図は従
来の光フアイバ構造測定装置の概略構成図、及び
第４図は、従来の光フアイバ回転保持機構を使用
した光フアイバ構造測定装置の概略構成図である
。１…光照射部、２，４ｃ…レンズ、３…被検光
フアイバ、３ａ，３ｂ…被検光フアイバの切断断
面、４…ハーフミラー、５…ＴＶカメラ、６…Ｔ
Ｖモニター、７…ＴＶコントローラ、８…ＣＰＵ
、９…プリンタ、１１ａ，１１ｂ，１２，１２ａ
，１３，１３ａ，２０…保持機構、２０ａ…保持
具、２０ｂ，２０ｃ…キヤピラリ、２０ｄ…上部
腕部、２０ｅ…下部腕部、２１…回転機構、２２
…固定ブロツク、２２ａ…押え部材、２２ｂ…バ
ネ部材、２３…回転板、２４…テーパ部、２５…
貫通穴。 Fig. 1 is a diagram showing a schematic configuration of an optical fiber structure measuring device according to the present invention, Fig. 2 is an explanatory diagram of the structure of a capillary used in the device of Fig. 1, and Fig. 3 is a conventional optical fiber structure measuring device. and FIG. 4 are schematic diagrams of an optical fiber structure measuring device using a conventional optical fiber rotation and holding mechanism. DESCRIPTION OF SYMBOLS 1...Light irradiation part, 2, 4c...Lens, 3...Optical fiber to be tested, 3a, 3b...Cut section of optical fiber to be tested, 4...Half mirror, 5...TV camera, 6...T
V monitor, 7...TV controller, 8...CPU
, 9...Printer, 11a, 11b, 12, 12a
, 13, 13a, 20... Holding mechanism, 20a... Holder, 20b, 20c... Capillary, 20d... Upper arm, 20e... Lower arm, 21... Rotating mechanism, 22
...fixing block, 22a...pressing member, 22b...spring member, 23...rotating plate, 24...tapered portion, 25...
Through hole.

Claims

[Claims for Utility Model Registration] 1. A support member that supports an optical fiber at two predetermined points in the longitudinal direction of the optical fiber; A holder for measuring an optical fiber structure, comprising a capillary member rotatably held. 2. The optical fiber structure measuring holder according to claim 1, wherein the difference between the inner diameter of the optical fiber penetrating portion of the capillary member and the outer diameter of the optical fiber is within 50 μm. 3. The optical fiber structure measuring holder according to claim 1 or 2, further comprising a mechanism for rotating the optical fiber. 4. A support member that supports the optical fiber at two predetermined points in the longitudinal direction of the optical fiber, and a capillary member that is provided at the two points of the holding member and that penetrates through the inside of the holding member to rotatably hold the optical fiber. a holder for measuring an optical fiber structure, a light irradiation means for irradiating light onto a side surface of the optical fiber between the two predetermined points, and a light detection means for detecting the light irradiated from the light irradiation section. Including optical fiber structure measurement equipment. 5. The optical fiber structure measuring device according to claim 4, wherein the difference between the inner diameter of the optical fiber penetrating portion of the capillary member and the outer diameter of the optical fiber is within 50 μm. 6. The optical fiber structure measuring device according to claim 4 or 5, further comprising a mechanism for rotating the optical fiber.