Juyal DP. Design of an R.F. Excited Helium Neon Visible Gas Laser and Study of the Optimal Conditions for Gas Mixtures and Pressures. Def. Sc. J. [Internet]. 2014 Oct. 1 [cited 2025 Jul. 6];22(4):245-8. Available from: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6420