JPS63115730U

JPS63115730U -

Info

Publication number: JPS63115730U
Application number: JP808987U
Authority: JP
Priority date: 1987-01-21
Filing date: 1987-01-21
Publication date: 1988-07-26

Description

[Brief explanation of the drawing]

第１図は分光光度計の一実施例を示す全体図、
第２図は遮断部による光透過、遮断のタイミング
チヤート、第３図はバンドル型の光フアイバーの
出力端部を示す斜視図、第４図は２本の照射光源
を用いた分光光度計の一例を示す図。３ａ〜３ｃ……光フアイバー、５……スリツト
、６……回折格子、７……リニアアレイセンサ、
８ａ〜８ｃ……ビーム選択手段としての遮光部、
２２……バンドル型光フアイバー、２３……出力
端部。 FIG. 1 is an overall diagram showing an example of a spectrophotometer;
Fig. 2 is a timing chart of light transmission and blocking by the blocking part, Fig. 3 is a perspective view showing the output end of a bundle type optical fiber, and Fig. 4 is an example of a spectrophotometer using two irradiation light sources. Diagram showing. 3a to 3c... optical fiber, 5... slit, 6... diffraction grating, 7... linear array sensor,
8a to 8c...shading portions as beam selection means;
22... bundle type optical fiber, 23... output end.

Claims

[Claims for Utility Model Registration] 1. In a spectrophotometer capable of detecting the dispersed light of each beam by irradiating the plurality of beams through a slit onto a diffraction grating, the plurality of beams are individually guided, and A plurality of optical fibers whose output ends are bundled together; a beam selection means provided in the middle of each optical fiber to selectively pass one of the beams; A spectrophotometer comprising: a diffraction grating for diffraction; and a linear array sensor for detecting a beam diffracted by the diffraction grating. 2. The optical fiber is a bundle type optical fiber in which a plurality of unit optical fibers are bundled, and the output ends of the bundle type optical fiber are intertwined with the output ends of the unit optical fibers alternately,
In addition, the output ends are bundled in a state where they are dispersed on a rectangular plane, and the long sides of the rectangular plane are arranged in the same direction as the grating direction of the diffraction grating. The spectrophotometer according to item 1. 3. The spectrophotometer according to claim 2, wherein the length of the long side is equal to the opening width of the slit along the grating direction of the diffraction grating.