JPH0338539B2 - - Google Patents

Info

Publication number
JPH0338539B2
JPH0338539B2 JP60167814A JP16781485A JPH0338539B2 JP H0338539 B2 JPH0338539 B2 JP H0338539B2 JP 60167814 A JP60167814 A JP 60167814A JP 16781485 A JP16781485 A JP 16781485A JP H0338539 B2 JPH0338539 B2 JP H0338539B2
Authority
JP
Japan
Prior art keywords
waveguide
optical waveguide
coating layer
oil
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP60167814A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6228641A (ja
Inventor
Hiroshi Wada
Eiji Okuda
Tetsuya Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP60167814A priority Critical patent/JPS6228641A/ja
Publication of JPS6228641A publication Critical patent/JPS6228641A/ja
Publication of JPH0338539B2 publication Critical patent/JPH0338539B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431Dip refractometers, e.g. using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP60167814A 1985-07-31 1985-07-31 液体感知器 Granted JPS6228641A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60167814A JPS6228641A (ja) 1985-07-31 1985-07-31 液体感知器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60167814A JPS6228641A (ja) 1985-07-31 1985-07-31 液体感知器

Publications (2)

Publication Number Publication Date
JPS6228641A JPS6228641A (ja) 1987-02-06
JPH0338539B2 true JPH0338539B2 (enrdf_load_stackoverflow) 1991-06-11

Family

ID=15856595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60167814A Granted JPS6228641A (ja) 1985-07-31 1985-07-31 液体感知器

Country Status (1)

Country Link
JP (1) JPS6228641A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718792B2 (ja) * 1988-05-27 1995-03-06 日立電線株式会社 光式塩分粒子付着量検出センサ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337494A (en) * 1976-09-18 1978-04-06 Denki Kagaku Keiki Kk Apparatus for detecting oil and so on
JPS59171903A (ja) * 1983-03-18 1984-09-28 Furukawa Electric Co Ltd:The 液体検知光フアイバ−
JPS6025940U (ja) * 1983-07-27 1985-02-21 株式会社 潤工社 耐水漏油検知センサ

Also Published As

Publication number Publication date
JPS6228641A (ja) 1987-02-06

Similar Documents

Publication Publication Date Title
US4634856A (en) Fiber optic moisture sensor with moisture-absorbing reflective target
US5982959A (en) Coated fiber optic sensor for the detection of substances
US5995686A (en) Fiber-optic sensor device and method
US4203326A (en) Method and means for improved optical temperature sensor
ATE67853T1 (de) Biologische nachweisvorrichtung.
US20100150497A1 (en) Evanescent sensor using a hollow-core ring mode waveguide
US5903685A (en) Sensor arrangement
Heideman et al. Fabrication and packaging of integrated chemo-optical sensors
US4624570A (en) Fiber optic displacement sensor
JPH0338539B2 (enrdf_load_stackoverflow)
JP5904578B2 (ja) 光学式液漏れ検知装置および方法
JPH0511780B2 (enrdf_load_stackoverflow)
JP3691209B2 (ja) 臨界ミセル濃度の測定方法
JPH0260260B2 (enrdf_load_stackoverflow)
JPH02181707A (ja) 液体、気体等の検知用光ファイバ
JPH0232570B2 (enrdf_load_stackoverflow)
JPS60209144A (ja) 液体感知器
JPS6365404A (ja) 光学的液漏れ検知センサ
JPS60209143A (ja) 液体感知器
JPH0260259B2 (enrdf_load_stackoverflow)
JPH0234582Y2 (enrdf_load_stackoverflow)
JP3071644B2 (ja) 全反射型屈折率センサ
KR102809272B1 (ko) 광학식 굴절률 센서
JPS63135810A (ja) 着氷検知器
JPH0446178Y2 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term