Dl. Ou et Ab. Seddon, NEAR-INFRARED AND MIDINFRARED SPECTROSCOPY OF SOL-GEL DERIVED ORMOSILS - VINYL AND PHENYL SILICATES, Journal of non-crystalline solids, 210(2-3), 1997, pp. 187-203
The suitability of ormosils as photonic materials was investigated. Vi
nyl and phenyl silicates were synthesised below 100 degrees C. A detai
led assignment of mid-infrared vibrational absorption bands is given.
This allowed assignment of overtone and combination bands in the near-
infrared region and an assessment of residual water contamination, whi
ch is low and can be expelled by evacuation. These ormosils have low i
ntrinsic and extrinsic optical absorption in the visible spectral regi
on and at useful wavelengths in the near-infrared.