Ultrasonic Waveguide Sensors for Measurements in Process Industries. - Krishnan Balasubramaniam; Nishanth Raja; Suresh Periyannan (IEEE SENSORS, 2018)

Phase Shift Based Level Sensing using two guided Wave Mode T (0, 1) and F(1, 1) on a thin Waveguide. - Nishanth Raja; Krishnan Balasubramanian (IEEE SENSORS, 2020)

Experimental Study on Dispersion Effects of F (1, 1) Wave Mode on Thin Waveguide When Embedded with Fluid. - Nishanth Raja; Krishnan Balasubramaniam (Sensors, 2021)