| 摘要 |
FIELD: electric engineering. ^ SUBSTANCE: invention relates to materials for electric engineering; it can be used for creation of new devices in the area of photonics, quantum electronics and UF-band optics. Based on crystals of lithium and lutetium fluorides activated by trivalent cerium ions laser material contains additionally yttrium and ytterbium fluorides in compliance with chemical formula LiLu1-xYxYbyF4:Ce, where x=0.50.8, y=0-0.05. ^ EFFECT: invention allows reduction of active medium solarisation under influence of pumping radiation on its laser specifications; extension of tuning laser-generation frequency range; increase in concentration of cerium ions in yttrium-ytterbium crystals and area efficiency value of laser energy. ^ 1 tbl, 3 dwg |
