JPS61114337U - - Google Patents

Description

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

第１図は本案品の模式図、第２図は本案品にお
ける光フアイバ先端部の拡大断面図、第３図は光
フアイバ拡大縦断面図、第４図は従来の温度セン
サのヘツド部を示す拡大断面図である。 １……光フアイバ、２……反射部材、２ａ……
円筒部、２ｂ……円錐体部、３……レンズ、４…
…ハーフミラ、５……発光素子、６……受光素子
。 Fig. 1 is a schematic diagram of the proposed product, Fig. 2 is an enlarged cross-sectional view of the tip of the optical fiber in the proposed product, Fig. 3 is an enlarged vertical cross-sectional view of the optical fiber, and Fig. 4 shows the head portion of a conventional temperature sensor. It is an enlarged sectional view. 1... Optical fiber, 2... Reflective member, 2a...
Cylindrical part, 2b... Cone part, 3... Lens, 4...
...Half mirror, 5... Light emitting element, 6... Light receiving element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コアの周囲に形成するポリマー製のクラツド層
中に蛍光体を分散混入した光フアイバと、その先
端面に、表面を反射面とした錐体状をなし、その
頂部をコア端面と対向させて配設され、コア端面
から出射された光を反射してクラツド沿つて端面
に入射せしめる反射部材と、光フアイバの基端面
に配した前記蛍光体の励起用光源及び前記蛍光体
からの光を捉える受光部とを具備することを特徴
とする温度センサ。 An optical fiber with phosphor dispersed in a polymer cladding layer formed around the core, and a cone-shaped optical fiber with a reflective surface on its tip surface, with its top facing the end surface of the core. a reflecting member that reflects the light emitted from the core end face and makes it enter the end face along the clad; a light source for excitation of the phosphor disposed on the proximal end face of the optical fiber; and a light receiver that captures the light from the phosphor. A temperature sensor comprising: