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Optical-fibre network system for air-pollution monitoring over a wide area by optical absorption method

Inaba, Humio ; Kobayasi, Takao ; Hirama, Masayuki ; Hamza, Mostafa

Electronics letters, 1979-11, Vol.15 (23), p.749-751 [Periódico revisado por pares]

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Título:
Optical-fibre network system for air-pollution monitoring over a wide area by optical absorption method
Autor: Inaba, Humio ; Kobayasi, Takao ; Hirama, Masayuki ; Hamza, Mostafa
É parte de: Electronics letters, 1979-11, Vol.15 (23), p.749-751
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: The paper presents a low-loss optical-fibre network system for monitoring air pollution and species concentrations in various environments, utilizing the differential absorption method. System analysis and experimental tests are given. It is noted that a low-loss optical-fibre network system with a low-power CW or pulsed tunable laser source and multiple-pass sample cells or their alternatives distributed over a wide area, offers a feasible and nonhazardous method for remote monitoring of spilled dispersals of liquefied natural gas, HCl, and HBr in chemical and electrical industry complexes, and of air pollution in general, as well as of various sorts of species constituents even in liquids and solids in a variety of environments.
Idioma: Inglês

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