TY - RPRT TI - A Multichannel Averaging Phasemeter for Picometer Precision Laser Metrology AU - Halverson, Peter G. AU - Johnson, Donald R. AU - Kuhnert, Andreas AU - Shaklan, Stuart B. AU - Sero, Robert PY - 1999 UR - https://ntrs.nasa.gov/citations/20000057307 ID - 20000057307 ER -