Silica aerogel, because of its tunable refractive index (n = 1.008–1.13) and its good optical quality in the visible light range, is considered an excellent Cherenkov radiator for RICH detectors. At INFN Bari unit, hydrophobic aerogel tiles are being optically characterized using an Agilent Cary 4000 spectrophotometer to measure transmittance and reflectance. Moreover, the minimum angle deviation method is being used to measure the refractive index of aerogel tiles with a precision smaller than 0.01%.
Aerogel characterization for RICH applications
Liotino, Rocco
Formal Analysis
;Nicassio, NicolaFormal Analysis
;Volpe, GiacomoWriting – Review & Editing
2026-01-01
Abstract
Silica aerogel, because of its tunable refractive index (n = 1.008–1.13) and its good optical quality in the visible light range, is considered an excellent Cherenkov radiator for RICH detectors. At INFN Bari unit, hydrophobic aerogel tiles are being optically characterized using an Agilent Cary 4000 spectrophotometer to measure transmittance and reflectance. Moreover, the minimum angle deviation method is being used to measure the refractive index of aerogel tiles with a precision smaller than 0.01%.File in questo prodotto:
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