TY - JOUR AU - Pfister, O AU - Murtz, M AU - Wells, J. AU - Hollberg, Leo AU - Murray, J C2 - Optics Letters DA - 1996-01-01 00:01:00 LA - en M1 - 21 PB - Optics Letters PY - 1996 TI - Division by 3 of optical frequencies by use of difference-frequency generation in noncritically phase-matched RbTiOAsO4 ER -