TY - JOUR KW - pfc AU - V. Damiao AU - Danielle Manuzak AU - William Bickel AU - Dana Anderson BT - Applied Optics DA - 2001-05 DO - 10.1364/AO.40.003365 PY - 2001 EP - 3365 T2 - Applied Optics TI - Two-beam Coupling Modules for Photorefractive Optical Circuits VL - 40 SN - 0003-6935 ER -