NF S10-121:1999 OPTICS AND OPTICAL INSTRUMENTS. LASERS AND LASER-RELATED EQUIPMENT. TEST METHODS FOR LASER BEAM POWER, ENERGY AND TEMPORAL CHARACTERISTICS. (EUROPEAN STANDARD EN ISO 11554).
2008NF S10-121:2008 Optics and photonics - Lasers and laser-related equipment - Test methods for laser beam power, energy and temporal characteristics.
2006NF S10-121:2006 Optics and photonics - Lasers and laser-related equipment - Test methods for laser beam power, energy and temporal characteristics.
0000 NF S10-121:2003
1999NF S10-121:1999 OPTICS AND OPTICAL INSTRUMENTS. LASERS AND LASER-RELATED EQUIPMENT. TEST METHODS FOR LASER BEAM POWER, ENERGY AND TEMPORAL CHARACTERISTICS. (EUROPEAN STANDARD EN ISO 11554).