Laser physics EAL 501 Lecture 3. Energy units 1 eV= 1.6x10 -19 (C) x 1 V= 1.6x10 -19 J E =hc/ λ 1/λ=E/hc=1J/(6.6x10 -34 x10 8 x100) 1 cm -1 =1.5 x10 -23.
