Budker INP, Novosibirsk, Russia Novosibirsk Free Electron Laser Unique Source of the Terahertz and Infrared Coherent Radiation Presented by O.A. Shevchenko, BINP SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Budker INP, Novosibirsk, Russia Project participants V.S.Arbuzov, N.A.Vinokurov, P.D.Vobly, V.N.Volkov, Ya.V.Getmanov, I.V.Davidyuk, O.I.Deychuly, E.N.Dementyev, B.A.Dovzhenko, B.A.Knyazev, E.I.Kolobanov, A.A.Kondakov, V.R.Kozak, E.V.Kozyrev, V.V.Kubarev, G.N.Kulipanov, E.A.Kuper, I.V.Kuptsov, G.Ya.Kurkin, S.A.Krutikhin , L.E.Medvedev, S.V.Motygin, V.K.Ovchar, V.N.Osipov, V.M.Petrov, A.M.Pilan, V.M.Popik, V.V.Repkov, T.V.Salikova, I.K.Sedlyarov, S.S.Serednyakov, A.N.Skrinsky, S.V.Tararyshkin, A.G.Tribendis, V.G.Tcheskidov, K.N.Chernov, M.A.Scheglov, O.A. Shevchenko 2/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Budker INP, Novosibirsk, Russia Outline • Brief introduction to the FEL physics • The NovoFEL accelerator design and operation • NovoFEL as three FELs based source of radiation • The third FEL commissioning and first experiments • Nearest and far future plans for the conclusion 3/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
FEL principle of operation + λ 2 K λ ≈ w 1 γ 0 2 2 2 synchronisme condition which is necessary for the energy transfer γ ε d e = x V x 3 dz mc 4/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
FEL principle of operation FEL oscillator Equivalent scheme 0,3 0,2 ( ) ω G 0,1 noise Gain, a.u. 0,0 -0,1 -0,2 -0,3 -3 -2 -1 0 1 2 3 δω/ω ◊ , 1/N w 5/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Energy Recovery Linac 1 – injector, 2 – linac, 3 – bending magnets, 4 – undulator, 5 –dump Accelerator is the most important part of any FEL . ERL is the best choice for high power FEL . 6/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Energy Recovery Linac 1 – injector, 2 – linac, 3 – bending magnets, 4 – undulator, 5 –dump Accelerator is the most important part of any FEL . ERL is the best choice for high power FEL . 7/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Gun Injector 8/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Gun Injector Main linac Dump 9/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Gun Injector Main linac The first THz FEL Dump undulator sections 10/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design Gun The second FEL Injector undulator Main linac The first THz FEL Dump undulator sections 11/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL Accelerator Design The third IR FEL Gun undulator sections The second FEL Injector undulator Main linac The first THz FEL Dump undulator sections 12/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Horizontal tracks 1 st stage FEL 2 nd stage FEL undulator undulator Main linac
3 d stage FEL undulator
Budker INP, Novosibirsk, Russia Siberian Center of Photochemical Research 120 m }S-0 1st 990 680 G 5450+15 kran-balki Zona 1200 2577 2880 Pol sohranit[ 725 1150 1150 625 1100 AM@S0 2000 900 1100 280 2000 2090 AM@S2 SP-111 1300 3000 %%c180 700 L}3 L}4 349 0@R@F@DR @R@F@G1 %%c110 @L@VR@S2 3x725=2175 71 1175 @L@VR@S4 71 SP-111A ЩПР1-3 B 3210 71 @L@VR@S0 1175 100 235 71 1450 1@R@F@DR 0@R@FS@R1 L}5 0@R@F@GS@R 700 @L@VR@S1 825 @R@F@G5 @L@VR@S6 @R@F@G4 2@R@F@DR 800 1250 @R@F@G0 @R@F@G2 @R@F@G3 900 1100 900 1100 2100 OU-5 OU-5 OU-5 stem Control room Beamlines for r) (ground floor) radiation transport r-recuperator and User Stations ron laser (basement level) (ground and first floors) 15/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Layout of Injector, Main Linac and Vertical Beamline (the First ERL) 7 – magnetic mirror 1 – electron gun 8 – undulator 2 – bunching cavity 3 – focusing solenoids 9 – phase shifter 10 – optical cavity 4 – merger 5 – main linac 11 – calorimeter 12 – beam dump 6 – focusing quadrupoles 16/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Electrostatic Gun Power supply: U max = 300 kV I max = 50 mA 17/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
RF Gun Test Setup 575 пс Dr. Vladimir Volkov “New RF gun for Novosibirsk ERL FEL” 05 July, 16:00-17:00, Board 059 Measured beam parameters Energy, KeV 100 ÷ 320 Pulse duration(FWHM), ns ≤ 0.6 Bunch charge, nQ 0.3 ÷ 1.5 Repetition rate, MHz 0.01 ÷ 90 Average current, mA 102 max 18/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Injector 19/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
RF Gun Installation Layout 20/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Main Linac 21/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
RF Power Supply Frequency, MHz 180.4 Power, MW 2 x 0.6 22/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
New Amplifier for the Bunching Cavity f = 180 MHz, efficiency = 52 % P IN = 1 W, P OUT = 5 kW 8 transistors NXP BLF188XR water cooling 23/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Layout of Horizontal Beamlines (the Second and the Third ERLs) Injector Beam dump 22 May 2012 – the first time the beam reached the dump after four accelerations and four decelerations 12 MeV 22 MeV 90% of beam current comes to the dump, the working repetition rate 3.75 MHz and average current 3.2 mA are obtained 32 MeV Only about 3% of beam current is lost with energy > 12 MeV 42 MeV Less than 1% of beam current is lost at the last track 24/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Magnets and Vacuum Chamber of Bends 25/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Beam trajectory can be adjusted only before this point 26/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Compact 13.5-nm free-electron laser for extreme ultraviolet lithography Y.Socol, G.N.Kulipanov, A.N.Matveenko, O.A.Shevchenko and N.A.Vinokurov, FEL10 RF1 AB AB Booster Injector Dump RF2 40 m With 10-T superconducting magnet it may be used to generate 20-fs periodic x-ray pulses, which are necessary for time-resolved experiments, which use femtoslicing technique at storage rings now. But, the number of useful photons is thousands times more. 27/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
NovoFEL as Radiation Source NovoFEL X-ray FELs The most attractive ranges for FELs are at very short and at very long wavelength, where there are no other lasers 28/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
One of the main FEL advantages is the ability to adjust the wavelength Variation of magnetic field λ = λ = 6 cm 12 cm u u + 2 K 1 λ = λ 1 Electromagnetic Variable gap γ u 2 2 2 undulator undulator K ~ 0…1.5 K ~ 0.4…2.5 E1 ~ 10…13 MeV Variation of beam energy E2 ~ 20…24 MeV E3 ~ 40…46 MeV Variable period Variation of undulator period undulator λ ~ 4 . 8 ... 9 . 6 cm K ~ 0.42…1.79 u 29/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Electromagnetic Undulators 1-st FEL 2-d FEL Period, cm 12 12 Maximum current, кА 2.4 2.4 Maximum K 1.25 1.47 30/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Variable Period Undulator (for the 2-d FEL) The tunability range of the 2-d FEL will be increased from 37 - 80 to 15 - 80 microns 31/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Variable Period Undulator (for the 2-d FEL) 32/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
FEL Optical Cavities 1-st FEL 5.64 MHz ~ 100 ps 2- d FEL 7.52 MHz ~ 50 ps 3- d FEL 3.76 MHz ~ 15 ps 33/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
Optical beamlines and user stations Prof. Boris Knyazev “Novosibirsk free electron laser as a user facility” Wednesday, 06 July, 09:40 34/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
The 1 st stage FEL radiation parameters • Radiation wavelength, microns 90 - 240 • Minimum pulse duration, ps 70 • Repetition rate , MHz 5.6 / 11.2 / 22.4 • Maximum average power, kW 0.5 • Minimum relative linewidth (FWHM) 3 ⋅ 10 -3 • Maximum peak power, MW 1 The obtained radiation parameters are still the world record in terahertz region. 35/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
The Third FEL Design and Commissioning Injector Beam dump FEL radiation Undulator 3 Undulator 2 (power limitation) e - Undulator 1 e - (radiation) (energy modulation) Q1 B2 B1 Q2 ~ 40 m Electron outcoupling scheme may be used here 36/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
The third FEL undulator 37/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
The third stage FEL undulator λ w 6 cm K 0.4 – 2.5 38/50 SFR-2016, 4–7 July 2016, Novosibirsk, Russia
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