collaborators

5 papers

eess.IV2022

Image denoising in acoustic field microscopy

Shubham Kumar Gupta, Azeem Ahmad, Prakhar Kumar +2

Scanning acoustic microscopy (SAM) has been employed since microscopic images are widely used for biomedical or materials research. Acoustic imaging is an important and well-establ…

physics.app-ph2022

Wave propagation in anisotropic crystal using point contact excitation and detection method

Varun Bhardwaj, Kaushik Shukla, Frank Melandsø +1

Lithium Niobate (LiNbO) is a piezoelectric crystal with a high electromechanical coupling coefficient. The development and miniaturization of acousto-electronics, and acousto-o…

physics.app-ph2022

Multiple damage detection in piezoelectric ceramic sensor using point contact excitation and detection method

Sayantani Bhattacharya, Nitin Yadav, Azeem Ahmad +2

Lead Zirconate Titanate [(ZrxTi1-x)O3 ]is used to make ultrasound transducers, sensors, and actuators due to its large piezoelectric coefficient. Several surfaces and subsurface mi…

physics.class-ph2022

Surface acoustic waves inside polystyrene microparticles through photoacoustic microscopy

Abhishek Ranjan, Anowarul Habib, Azeem Ahmad +2

We demonstrate surface acoustic waves inside polystyrene microspheres of different sizes experimentally through photoacoustic microscopy and validate the experimental result with s…

physics.app-ph2019

Investigation of high frequency transducers and coded signals suitable for cartilage volume imaging

Abhishek Ranjan, Chengxiang peng, Anowarul Habib +2

Cartilage degeneration in joints causing pain and various types of knee problems is a serious problem-affecting people in all ages. Degenerated articular cartilage is also known as…