Electro-optic-based pressure measurement and transmitter using lithium niobate (LiNbO3) Mach-Zehnder modulator for industrial application

Yadvendra Singh; Sanjeev Kumar Raghuwanshi

doi:10.1117/12.2506860

4 March 2019 Electro-optic-based pressure measurement and transmitter using lithium niobate (LiNbO₃) Mach-Zehnder modulator for industrial application

Yadvendra Singh, Sanjeev Kumar Raghuwanshi

Author Affiliations +

Proceedings Volume 10925, Photonic Instrumentation Engineering VI; 1092516 (2019) https://doi.org/10.1117/12.2506860
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

In the process industries, pressure measurement using bourdon tube is basic measurement technique. In the present work, we proposed a photonic based pressure measurement and transmitting technique of pressure which is capable to transmit the measured flow rate data through optical fiber with the help of Lithium Niobate (LiNbO₃) based Mach-Zehnder Interferometer (MZI). A modified bourdon tube based transducer developed using hall probe sensor. Transducer converts the pressure to the 1-5 Volt and 4-20 mA which is not suitable for inflammable regions of the process plant. For this purpose a measured pressure transmit to the remote location in optical domain. The required mathematical derivation and the principle of operation of the transmitter are shown in the paper.

Citation Download Citation

Yadvendra Singh and Sanjeev Kumar Raghuwanshi "Electro-optic-based pressure measurement and transmitter using lithium niobate (LiNbO₃) Mach-Zehnder modulator for industrial application", Proc. SPIE 10925, Photonic Instrumentation Engineering VI, 1092516 (4 March 2019); https://doi.org/10.1117/12.2506860

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