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</html><thumbnail_url>https://cognitionconferences.com/optics/wp-content/uploads/2026/02/Jitendra-Nath-Roy.png</thumbnail_url><thumbnail_width>500</thumbnail_width><thumbnail_height>600</thumbnail_height><description>Prof J N Roy has done his PhD in Physics from Vidyasagar University and has published more than 180 research papers in peer reviewed journals and conference proceedings. Presently Dr. Roy is full professor in the Departmrnt of Physics and Coordinator of Centre For Organic Spintronics And Optoelectronics Devices (COSOD). He is the co-author many books and book chapter. Dr. Roy received research grant from AICTE, DST, BRNS (Govt of India). He is a Fellow member of Optical Society of India. Prof. Roy has guided 14 PhD students in different topics of Applied Optics, Photonics and Optoelectronics.</description></oembed>
