Comparison of Characteristics of Waveguide Refractometric Sensors

The operation of three types of waveguide refractometric sensors—interferometric Mach–Zehnder, interferometric two-mode, and grating waveguide—has been analyzed. The design features of these sensors with division into functional blocks have been considered. The overall dimensions of sensors based on...

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Bibliographic Details
Published in:Optics and spectroscopy 2019-12, Vol.127 (6), p.1128-1132
Main Authors: Nalivaiko, V. I., Ponomareva, M. A.
Format: Article
Language:English
Subjects:
High-Precision Optical Measurements and Metrology
Interferometry
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Sensors
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Summary:The operation of three types of waveguide refractometric sensors—interferometric Mach–Zehnder, interferometric two-mode, and grating waveguide—has been analyzed. The design features of these sensors with division into functional blocks have been considered. The overall dimensions of sensors based on chalcogenide glasses have been calculated to obtain the same detection limit for the gas analyzed medium.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X19120154