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The Novosibirsk free electron laser facility.

Authors :: Shevchenko, O. A.
Vinokurov, N. A.
Arbuzov, V. S.
Chernov, K. N.
Deichuly, O. I.
Dementyev, E. N.
Dovzhenko, B. A.
Getmanov, Ya. V.
Gorbachev, Ya. I.
Knyazev, B. A.
Kondakov, A. A.
Kozak, V. R.
Kozyrev, E. V.
Krutikhin, S. A.
Kubarev, V. V.
Kulipanov, G. N.
Kuper, E. A.
Kuptsov, I. V.
Kurkin, G. Ya.
Medvedev, L. E.
Source :: AIP Conference Proceedings; 2020, Vol. 2299 Issue 1, p1-8, 8p
Publication Year :: 2020
Abstract: The Novosibirsk FEL facility includes three FELs operating in the terahertz, far-, and mid- infrared spectral ranges. It has rather long history, but its potential has not been fully revealed so far. The first FEL of this facility has been operating for users of terahertz radiation since 2004. It remains the world's most powerful sources of coherent narrow- band radiation in its wavelength range (90 – 340 µm). The second FEL was commissioned in 2009. Now it operates in the range of 35 – 80 µm, but we plan to replace its undulator soon with a new one, and its short wavelength boundary will be shifted down to 15 µm. The third FEL was commissioned in 2015 to cover the wavelength range of 5 – 20 µm. Its undulator comprises three separate sections. Such lattice is suited very well to demonstrate the new off-mirror way of radiation outcoupling in an FEL oscillator (so called electron outcoupling), which we also plan for near future. We also intend to improve the accelerator injection system. As a result, the average electron beam current and consequently the radiation power of all the three FELs will increase. In this paper, we present an overview of the facility and discuss our recent achievements and future plans. [ABSTRACT FROM AUTHOR]