Dosimeter for measurement of UVA exposures | Zendy

Alfio V. Parisi | Zendy; Michael G. Kimlin | Zendy

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Dosimeter for measurement of UVA exposures

Author(s) -

Alfio V. Parisi,

Michael G. Kimlin

Publication year - 2004

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.555966

Subject(s) - dosimeter , absorbance , wavelength , materials science , phenothiazine , calibration curve , optics , optoelectronics , calibration , visible spectrum , chemistry , detection limit , physics , radiation , medicine , chromatography , quantum mechanics , pharmacology

A prototype UVA dosimeter that is responsive to the UVA wavelengths only has been developed for measurement of personal exposures. The chemical phenothiazine, cast in thin film form and which is responsive to both the UVA (320- 400 nm) and UVB (280-320 nm) part of the spectrum was used and filtered with mylar. This combined system responded to the UVA wavelengths only and underwent a change in optical absorbance as a result of UVA exposure. The wavelength of 370 nm was employed for quantifying the change in optical absorbance of the combined mylar/phenothiazine dosimeter and a calibration curve determined for measuring the UVA exposures. UVA exposures to approximately 50 J cm-2 may be measured prior to saturation of the response.

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