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Figure 11
(a) The two-dimensional profile of the undulator radiation observed by the color CCD camera. (b) A single-shot two-dimensional spectroscopic image of undulator radiation when the undulator gap was 1.5 mm. Horizontal and vertical pixel positions correspond to the wavelength and vertical divergence angle of the radiation, respectively. The bright line forming an arc represents the undulator radiation. The dotted curve shows the angle dependence of the radiation wavelength. The top and bottom of the radiation image was cut by an iris with a diameter of 9 mm. CCD pixel values are represented by the color bar.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 6| November 2019| Pages 1902-1910
https://doi.org/10.1107/S1600577519013031
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