We present an interferometric chemical sensor on silicon chip measuring refractive index variations in contacting liquids, optimized at 1310 nm wavelength and TM polarization, and tripling the sensitivity of a 1550 nm TE polarization counterpart.
Improving the Sensitivity of Refractive Index Interferometric Sensors on Silicon Chip
Sama F.;Piretta F.;Bontempi F.;Angeloni D.;Oton C. J.
2024-01-01
Abstract
We present an interferometric chemical sensor on silicon chip measuring refractive index variations in contacting liquids, optimized at 1310 nm wavelength and TM polarization, and tripling the sensitivity of a 1550 nm TE polarization counterpart.File in questo prodotto:
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