TY - GEN AU - Eric Gunnar Johnson C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1979-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1009 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1979 TI - Laser beam profile measurements using spatial sampling, fourier optics, and holography: ER -