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| VOLUME 120 (2024) | ISSUE 6 | PAGE 457 |
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Optically controlled fine-tuning phase shift cell based on thin-film Ge2Sb2Te5 for light beam phase modulation
A. V. Kiselev, A. A. Nevzorov, A. A. Burtsev, V. A. Mikhalevsky, N. N. Eliseev, V. V. Ionin, A. A. Lotin
National Research Centre "Kurchatov Institute", 140700 Shatura, Russia
Abstract
Presented the experimental study of free-space optical control of the optical beam phase shift caused by the formation of a layered structure in an elementary controllable cell made of phase-change material Ge2Sb2Te5 subjected to the controlling effect of pulsed laser radiation. The phase change of the signal optical beam passing through the controlled cell from phase-change material relative to the control beam in the Jamin interferometer is demonstrated. |