1. The National Institute of Engineering Department of Physics, , Mysuru - 570008, India
2. University of Mysore Department of Studies in Physics, , Manasagangothri, Mysuru 570 006, India
3. Department of Physics , Government First Grade College, Chikkaballapur-562101, Karnataka, India
4. Mynaric Lasercom GmbH , Dornierstasse 19, 82205, Gilching, Germany
5. Department of Physics , Government First Grade College, Devanahalli-562110, Karnataka, India