Bhaumik has published over a hundred papers in various professional journals and is a holder of a dozen laser-related U.S. patents. He has been invited to lecture all over the world, at forums including: Summer School on High-Power Gas Lasers, Capri, Italy 1975; International Symposium on Gas-Flow and Chemical Lasers, Belgium 1978; International Symposium on Gas Discharge Lasers, Grenoble, France 1979; Asoke Sarkar Memorial Lecture, Calcutta International Book Fair 2001; Institute of Culture, Calcutta, India 2006; Kolkata Society for Asian Studies, Kolkata, India 2015.