Lasing at 1.3 μ upon flash photolysis of 2-2-2 tri-fluoroethyliodide, CF
3CH
2I, has been observed on the
2 
-
2 
magnetic dipole allowed transition of atomic iodine. Using an 800-J flash, a maximum peak power output of approximately 108 W for 10-μs duration at half-maximum intensity was obtained with a pressure of 17 torr CF
3CH
2I.