JPS6094603U

JPS6094603U - Optical fiber filter device

Info

Publication number: JPS6094603U
Application number: JP18671083U
Authority: JP
Inventors: 間島　秀夫; 正夫橘; 喜久葉上; 岩切　豊和
Original assignee: セイコーインスツルメンツ株式会社
Priority date: 1983-12-02
Filing date: 1983-12-02
Publication date: 1985-06-27

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は、従来の光フアイバ用フィルタ装置の断面図、
第２図、第３図は本考案に係る光フアイバ用フィルタ装
置の実施例の断面図、第４図は第３図の実施例に用いら
れる光学フィルタ部の斜視°図である。１．２・・・コリメータ、５・・・支持部材、４・・・
装置筐体、１１．１２・・・屈折率分布型円柱レンズ、
３１・・・光学フィルタ。なお図中、同一番号は同一部
品を示す。FIG. 1 is a sectional view of a conventional optical fiber filter device.
2 and 3 are sectional views of an embodiment of the optical fiber filter device according to the present invention, and FIG. 4 is a perspective view of an optical filter section used in the embodiment of FIG. 3. 1.2... Collimator, 5... Support member, 4...
Device housing, 11.12... Gradient index cylindrical lens,
31...Optical filter. Note that in the figures, the same numbers indicate the same parts.

Claims

[Scope of utility model registration request]

(1) The first step converts the light emitted from the optical fiber into parallel light.
a second collimator' that focuses the parallel light and makes it enter another optical fiber; an optical filter provided in the optical path of the parallel light; and the first and second collimators and the optical filter. In the optical fiber filter device, the optical filter is interposed between the first collimator and the second collimator so as to intersect with the optical path inside the housing from the outside of the housing. 1. An optical fiber filter device, characterized in that the optical fiber filter device is disposed in an optical filter housing section provided with a filter.

(2) The optical filter storage section provided from the outside of the housing so as to intersect with the optical path inside the housing is formed in a cylindrical shape,
The optical fiber according to claim 1, wherein a part of the supporting member of the optical filter is formed into a cylindrical shape that matches the cylinder, so that the optical filter can be rotated and adjusted to a desired angle with respect to the line in the housing. filter device.