TY - RPRT TI - System for measuring optical waveguide intensity profiles AU - Larson, Lee E AU - Larson, Donald R AU - Phelan, Robert J PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 88-3092 DO - 10.6028/NBS.IR.88-3092 ER -