TY - JOUR AU - O Pfister AU - M Murtz AU - J. Wells AU - J Murray AU - Leo Hollberg 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 -