TY - RPRT TI - Frequency conversion in compositionally graded PPLN crystals AU - Galutskiy, V V AU - Stroganova, E V AU - Shmargilov, S A AU - Yakovenko, N A PY - 2014 DO - 10.1070/qe2014v044n01abeh015289 UR - https://www.osti.gov/biblio/22373617 ID - 22373617 ER -