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Journal article

Design of high-transmission multiband multilayer filters for Raman spectroscopy

From

National Academy of Sciences of Belarus, Minsk 2200721

Department of Physics and Institute for Optical Sciences, 60 St. George Street, Toronto, Ontario M5S 1A72

Aviatsionnaya Street 19/6, Moscow, 1231823

Based on analysis of light propagation in multiple cavity aperiodic structures, a filter with three narrow passbands with high transmission is designed. The design is implemented for use in express early-stage oral cancer screening by means of Raman spectroscopy. A combination of SiO2/Nb2O5 is used in a vacuum deposition process to ensure high refractive index contrast and durability of materials.

The approach enables the development of simple and affordable Raman testers for multiple medical, forensic, and environmental applications.

Language: Undetermined
Publisher: Society of Photo-Optical Instrumentation Engineers
Year: 2012
Pages: 061704-061704
ISSN: 19342608
Types: Journal article
DOI: 10.1117/1.JNP.6.061704

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