Optical fiber hydrogen sensor

Journal Article · Thu Nov 15 04:00:00 EST 1984 · Appl. Phys. Lett.; (United States)

DOI:https://doi.org/10.1063/1.95060· OSTI ID:6171265

Butler, M A

A new type of hydrogen sensor is reported in which an optical fiber is used as the sensing element. The fiber is coated with palladium which expands on exposure to hydrogen. This changes the effective optical path length of the fiber, which is detected by interferometric techniques. Preliminary experiments have demonstrated the effect and suggest a high sensitivity and a wide dynamic range for this kind of sensor. The experimental results are compared to calculated optical path length changes. Application of this kind of sensor to the detection of other chemicals appears feasible.

• Research Organization: Sandia National Laboratories, Albuquerque, New Mexico 87185
• OSTI ID: 6171265
• Journal Information: Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 45:10; ISSN APPLA
• Country of Publication: United States
• Language: English

Related Subjects

440300* -- Miscellaneous Instruments-- (-1989)
47 OTHER INSTRUMENTATION
CHALCOGENIDES
CHEMICAL ANALYSIS
COATINGS
DEPOSITION
ELEMENTS
FABRICATION
FIBERS
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
INTERFEROMETRY
METALS
MINERALS
NOISE
NONMETALS
OPACITY
OPTICAL FIBERS
OPTICAL PROPERTIES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PALLADIUM
PALLADIUM COMPOUNDS
PALLADIUM HYDRIDES
PHYSICAL PROPERTIES
PLATINUM METALS
QUANTITATIVE CHEMICAL ANALYSIS
QUARTZ
SENSITIVITY
SILICON COMPOUNDS
SILICON OXIDES
SURFACE COATING
TITANIUM
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS