“…Thus, we prepared solid laser samples in the form of disks, 25 mm in diameter and 2 mm thick, of materials PM567/ P(MMA:TFMA 70:30), PM567/P(MMA:TEGDMA 90:10), and PM567/P(MMA:PETA 95:5), which had worked reasonably well at low-repetition rate pumping, and pumped them longitudinally with the green line of a copper-vapor laser at an average power of up to 800 mW and repetition rate of up to 1 kHz. 62 Samples of Rh6G dissolved in copolymer P(HEMA:MMA 1:1) were also prepared to be used as reference. The highest efficiency (37%) was obtained when the dye was dissolved in P(MMA:PETA 95:5).…”