Based on the President's Executive Memorandum No. D-2 and the Purdue University Laser Safety Guidelines, individuals are officially authorized to use Class 3B and Class 4 lasers on their respective ...

are required for all Class 3B and Class 4 lasers and laser systems (including imbedded lasers if hazards are accessible), and must be approved by the Laser Safety Officer (LSO). The SOPs must be ...