JPS58145547U

JPS58145547U - Optical interference filter holder

Info

Publication number: JPS58145547U
Application number: JP4267082U
Authority: JP
Inventors: 正明天野
Original assignee: エス・ア−ル・デ−株式会社
Priority date: 1982-03-26
Filing date: 1982-03-26
Publication date: 1983-09-30

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は、従来の光学干渉フィルター保持具の断面図、
第２図は、従来の光学干渉フィルター保持具の他の例を
示す断面図、第３図は、光学干渉フィルターの吸収特性
の一例を示す吸収特性曲線図、第４図は本考案に係る光
学干渉フィルター保持具の縦断面図、第５図は第４図に
示す光学干渉フィルター保持具の背面図、第６図は本考
案に係る光学干渉フィルター保持具を構成する保持金具
のを面構成図、第７図は第６図に示す保持金具のＸ−Ｘ
線に沿う断面図、第８図は第６図に示す保持金具に光学
干渉フィルターを締め付は固定した状態を示す断面図、
である。９・・・保持金具、１０・・・光学干渉フィルター、１
２、　１３．　１４・・・光学製ガラス、１５・・・金
属層膜、１６・・・弾性ゴム筒、１７・・・金属製ネジ
リング、２５、　２６．　２７・・・位置決め突起、２
８・・・間隙、３１・・・充填剤。第３図第５図１６　　　　　　　ＱFIG. 1 is a sectional view of a conventional optical interference filter holder;
FIG. 2 is a sectional view showing another example of a conventional optical interference filter holder, FIG. 3 is an absorption characteristic curve diagram showing an example of the absorption characteristics of an optical interference filter, and FIG. 4 is an optical interference filter holder according to the present invention. FIG. 5 is a rear view of the optical interference filter holder shown in FIG. 4, and FIG. 6 is a plan view of the holder that constitutes the optical interference filter holder according to the present invention. , Fig. 7 shows the X-X of the holding fitting shown in Fig. 6.
8 is a sectional view taken along the line; FIG. 8 is a sectional view showing the optical interference filter fastened and fixed to the holding fitting shown in FIG. 6;
It is. 9... Holding metal fitting, 10... Optical interference filter, 1
2, 13. 14... Optical glass, 15... Metal layer film, 16... Elastic rubber tube, 17... Metal screw ring, 25, 26. 27...Positioning protrusion, 2
8... Gap, 31... Filler. Figure 3 Figure 5 16 Q

Claims

[Claims for Utility Model Registration] An optical interference filter holder for holding an optical interference filter in which a metal film is formed between opposing optical glasses, characterized in that the metal film is airtightly shielded from the outside air. Optical interference filter holder.