Banshi Dhar GuptaDr. B.D. Gupta is a Professor in the Physics Department at the Indian Institute of Technology in New Delhi, India. He earned his PhD in 1979 at the Indian Institute of Technology Delhi and since then has developed expertise in a wide range of sensor opics. His current research interests include fiber optic sensors, surface plasmon resonance based sensors, metal nanoparticle-based sensors and more. Read More Read Less