TY - GEN AU - Danielson, B. AU - Beers, Y. C2 - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 00:01:00 LA - en PB - Technical Note (NIST TN), National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - Laser Attenuators for the Production of Low Power Beams in the Visible and 1.06 Micron Regions ER -