activity
20212023
most citedPhotoacoustic Image Quality Improvement from a Single Cell Low Frequency PMUT

7 citations · 8 across the 6 of their papers we have counts for

collaborators

7 papers

physics.ins-det2023★ 1 cited

Boosting Resonant Sensing in Fluids: A Surprising Discovery

Sri Harsha Paladugu, Kaustav Roy, Anuj Ashok +3

Micro-mechanical resonators are widely used in modern sensing technology due to their high quality-factor (Q), enabling sensitive detection of various stimuli. However, the perform…

physics.ins-det2023

PMUT-Powered Photoacoustic Detection: Revolutionizing Microfluidic Concentration Measurements

Kaustav Roy, Akshay Kumar, Vijayendra Shastri +6

This report introduces a novel optofluidic platform based on piezo-MEMS technology, capable of identifying subtle variations in the fluid concentration. The system utilizes piezoel…

physics.ins-det2023

Thin-film PMUTs: A Review of 40 Years of Research

Kaustav Roy, Joshua En-Yuan Lee, Chengkuo Lee

A concise review on the thin-film PMUTs, which has been one of the rather important research topics amongst microultrasound experts is being reported. It has been rigorously survey…

physics.ins-det2022★ 7 cited

Photoacoustic Image Quality Improvement from a Single Cell Low Frequency PMUT

Kaustav Roy, Arijit Paramanik, Souradip Paul +5

Photoacoustic image (PAI) quality improvement using a low frequency piezoelectric micromachined ultrasound transducer (PMUT) having the fundamental resonant frequency 1 MHz is bein…

physics.app-ph2022

Different textured PZT thin films grown on a single SiO2/Ti/Pt stack for piezo MEMS applications

Antony Jeyaseelan A, Vijayendra Shastri, Kaustav Roy +1

For the past two decades piezo MEMS technology are emerging for its low power consumption of ultrasonic sensing and actuation devices for biomedical applications. Still researchers…

physics.app-ph2021

An Experimental Study of the Acoustic Field of a Single-Cell Piezoelectric Micromachined Ultrasound Transducer (PMUT)

Bibhas Nayak, Harshvardhan Gupta, Kaustav Roy +3

Piezoelectric micromachined ultrasound transducers (PMUTs) have gained popularity in the past decade as acoustic transmitters and receivers. As these devices usually operate at res…

physics.app-ph2021

A PMUT Integrated Microfluidic System for Fluid Density Sensing

Kaustav Roy, Kritank Kalyan, Anuj Ashok +4

We demonstrate the design, fabrication and use of a dual electrode PMUT (Piezoelectric Micromachined Ultrasound Transducer) integrated with a microfluidic channel as a fluid densit…