JPS6090642U - temperature detection device - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の一実施例を示す説明図である。 １：光源、２：光ファイバ、３：偏光ビームスプリッタ
、４：光学装置、５１，５２：固定具、６：偏光ビーム
スプリッタ、７，８：光ファイバ、９１，９２：光電変
換素子、１０：演算装置、１１：表示装置。The figure is an explanatory diagram showing an embodiment of the present invention. 1: Light source, 2: Optical fiber, 3: Polarizing beam splitter, 4: Optical device, 51, 52: Fixture, 6: Polarizing beam splitter, 7, 8: Optical fiber, 91, 92: Photoelectric conversion element, 10: Arithmetic device, 11: Display device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被検知雰囲気に配置され温度変化によって内部に光弾性
子を生じる光学素子と、該光学素子に直線偏光を供給す
るための光源と、前記光学素子を透過した光を２成分に
分離するための偏光ビームスプリッタと、該偏光ビーム
スプリッタにより分離された少なくともひとつの偏光成
分を光電変換する光電変換素子と、該光電変換素子によ
って変換された電気信号を演算する演算装置とを有する
ことを特徴とする温度検知装置。an optical element that is placed in an atmosphere to be detected and generates photoelastic particles therein due to temperature changes; a light source that supplies linearly polarized light to the optical element; and polarized light that separates the light that has passed through the optical element into two components. A temperature control device comprising a beam splitter, a photoelectric conversion element that photoelectrically converts at least one polarized light component separated by the polarization beam splitter, and an arithmetic device that operates on the electrical signal converted by the photoelectric conversion element. Detection device.