Shibu Joseph, S T(Photosciences and Photonics, Chemical Sciences and Technology Division, Regional Research Laboratory(CSIR), Thiruvanathapuram, 2007-01)
Ratheesh Kumar, V K(Photosciences and Photonics, Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology(CSIR), Thiruvanathapuram, 2010-12)
Shinto Varghese(Photosciences and Photonics Section, Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology(CSIR), Thiruvananthapuram., 2010)