TY - GEN AU - John Lehman C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 1999-12-01 DO - https://doi.org/10.6028/NIST.SP.250-53 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 1999 TI - Calibration service for spectral responsivity of laser and optical-fiber power meters at wavelengths between 0.4 υm and 1.8 υm ER -