@article{JETPL.117.658, title = {On the Possibility of Converting Linearly Polarized Attosecond Pulses of High Harmonics into Circularly Polarized Pulses with an Increase in the Energy in an Optically Modulated Neon-Like Active Medium of an X-Ray Plasma Laser}, author = {Khairulin, I. R. and Antonov, V. A. and Ryabikin, M. Yu.}, journal = {JETP Lett.}, volume = {117}, issue = {9}, pages = {652}, year = {2023}, doi = {10.1134/S0021364023600921}, url = {http://jetpletters.ru/ps/dx/10.31857/S1234567823090045}, note = {[Pisma v ZhETF 117, 658 (2023)]} }