Dr.P.K.Palanisamy is a former Emeritus Professor of UGC, Chairman, Faculty of Science and Humanities and Head of the Department of Physics, Anna University with 40 years of experience in teaching engineering students. He received his M.Sc. degree in Physics from Madras University and Ph.D. in the field of Laser Technology from Anna University. He joined Technical Education in 1974 and Anna University in 1979. He has published more than 100 research papers in reputed international journals and attended many national and international conferences. He was the Principal Investigator for many projects funded by UGC, DST, AICTE and Govt. of Tamilnadu. He has guided 11 students for their Ph.D. in the field of Applied Optics. His research interests include Holography, Nonlinear Optics, Optical Instrumentation, Laser Optics and Nanophotonics. He has authored many books which are prescribed as text/reference books in many prestigious universities. He is a member of SPIE, Optical society of India, Indian Laser Association and ISTE.