Frequency conversion of mode-locked and Q-switched CO laser radiation with efficiency up to 37% / Yu. M. Andreev, O. V. Budilova, A. A. Ionin [et.al.] // Optics letters. 2015. Vol. 40, № 13. P. 2997-3000. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000532934