Wide Range Analysis of Absorption Spectroscopy Ozone Gas Sensor
DOI:
https://doi.org/10.11113/jt.v73.4247Keywords:
Absorption spectroscopy, optical fiber sensor, wide range, concentration, ozone, ultraviolet, transmittance, relative error, wavelengthAbstract
A wide range analysis of spectroscopic ozone gas sensor is conducted in order to obtain specific affected wavelength when 616 ppm to 999 ppm of ozone concentration is released into 5 cm gas cell of transmission type. It is observed that by employing different wavelength in ultraviolet region based on spectroscopic ozone detection, obvious differences of transmittance value are obtained for each particular wavelength. Consideration with Twyman-Lothian equation, specific wavelength at 239 nm, 240 nm, 241 nm, 242 nm, 278 nm, 279 nm, 280 nm, 281 nm is proven to achieve wide range of ozone detection when low relative error of concentration is achieved by value of transmittance in range between 0.25 and 0.5. Â
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