Fibre-optic evanescent sensing of gaseous ammonia with two forms of a new near-infrared dye in comparison to phenol red

Fiber waveguides: a novel technique for investigating attenuation characteristics

M. K. Barnoski, S. M. Jensen · Applied Optics · 1976 · 555 citations

Engineering, Electrical Engineering, Optics +16

Simultaneous determination of relative humidity and ammonia in air employing an optical fibre sensor and artificial neural network

Ivo M. Raimundo · Sensors and Actuators B Chemical · 2001 · 75 citations

Engineering, Meteorology, Atmospheric Science +16

Selective ionophore-based optical sensors for ammonia measurement in air

Steven J. West, S. Ozawa, K. Seiler et al. · Analytical Chemistry · 1992 · 72 citations

Natural Sciences, Chemistry, Analytical Chemistry +10

Integrated-optic ammonia sensor

Rolf Klein, E. Voges · Sensors and Actuators B Chemical · 1993 · 58 citations

Influence of the surface polarity of dye-doped sol–gel glass films on optical ammonia sensor response

Chris Malins, Thomas M. Butler, Brian D. MacCraith · Thin Solid Films · 2000 · 57 citations

Natural Sciences, Materials Engineering, Materials Science +14