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RIS citation export for TUPRB038: Characteristics of Polarized Coherent Radiation in Thz Region From a Crossed-Undulator

AU  - Saito, H.
AU  - Hama, H.
AU  - Hinode, F.
AU  - Kanomata, K.
AU  - Kashiwagi, S.
AU  - Miura, S.
AU  - Morita, N.M.
AU  - Muto, T.
AU  - Nagasawa, I.
AU  - Nanbu, K.
AU  - Ninomiya, S.
AU  - Takahashi, K.
AU  - Yamada, H.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - Characteristics of Polarized Coherent Radiation in Thz Region From a Crossed-Undulator
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - A variable polarized THz light source using a crossed-undulator configuration has been developed at Research Center for Electron Photon Science (ELPH), Tohoku University. It consists of two planar undulators of which deflecting planes cross at right angles and a phase shifter for phase adjustment. Polarization of the crossed-undulator has observation angle dependence due to that of radiation wavelength and optical path length difference between two radiations. That limits an angular range maintaining the identical polarization state. Assuming undulator parameters for our experiment (a fundamental frequency 1.9 THz and a number of periods seven) degree of circular polarization larger than 0.9 can be obtained only in the range of 2.2 mrad, i. e. 13% of the radiation angular spread.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 1769
EP  - 1771
KW  - undulator
KW  - radiation
KW  - polarization
KW  - experiment
KW  - electron
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-TUPRB038
UR  - http://jacow.org/ipac2019/papers/tuprb038.pdf
ER  -