Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
  • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
  • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
  • G02B1/045—Light guides
  • G02B1/048—Light guides characterised by the cladding material
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
  • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
  • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
  • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
  • G01N2021/7706—Reagent provision
  • G01N2021/7709—Distributed reagent, e.g. over length of guide
  • G01N2021/7716—Distributed reagent, e.g. over length of guide in cladding
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
  • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
  • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
  • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
  • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Optics & Photonics (AREA)
• Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
• Investigating Or Analysing Materials By Optical Means (AREA)
• Optical Filters (AREA)
• Surface Treatment Of Optical Elements (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=78282615

Family Applications (2)

Family Applications Before (1)

Country Status (3)

Family Cites Families (3)

• 2021
  • 2021-09-13 GB GBGB2113037.2A patent/GB202113037D0/en not_active Ceased
• 2022
  • 2022-09-09 GB GB2403407.6A patent/GB2624817A/en active Pending
  • 2022-09-09 JP JP2024516367A patent/JP2024537658A/en active Pending
  • 2022-09-09 WO PCT/GB2022/052294 patent/WO2023037122A1/en not_active Ceased

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