Steve,
You are correct. An easy, general rule-of-thumb is that lasers from
5 mW to 500 mW generally fall in the class 3b category.
David O. Vick, M.S., CIH
ORNL NIR Program Manager
Laser Safety Officer
Oak Ridge National Laboratory Tel: (423)-576-6056
P.O. Box 2008 Fax: (423)-574-4946
Bldg-1505 MS-6035 email: idv@ornl.gov
Oak Ridge, TN 37831-2008