TY - JOUR AU - O. Pfister AU - J. Wells AU - L. Hollberg AU - L. Zink AU - D. Van Baak AU - M. Levenson AU - W. Bosenberg BT - Optics Letters DA - Jan-01-1997 DO - 10.1364/OL.22.001211 PY - 1997 EP - 1211 T2 - Optics Letters TI - Continuous-wave frequency tripling and quadrupling by simultaneous three-wave mixings in periodically poled crystals: application to a two-step 1.19\textendash10.71-\textmum frequency bridge UR - http://www.opticsinfobase.org/abstract.cfm?URI=ol-22-16-1211 VL - 22 SN - 0146-9592 ER -