Abstract
Compact soft X-ray microscopes, using high harmonics as a light source, were constructed. A phase-reversal zone plate fabricated with polymethyl methacrylate was adopted to improve the focusing efficiency. Microscope images at 13 nm were acquired with sub-100 nm resolution, and the exposure time was reduced by a half, compared to that of the one using a gold Fresnel zone plate. A single-shot microscope image could be obtained using a strong harmonic at 22 nm generated in the two-color laser field consisting of the fundamental and the second harmonic of a femtosecond laser.
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Lee, K.H. et al. (2011). Highly efficient soft X-ray microscope using a PMMA phase-reversal zone plate. In: Lee, J., Nam, C.H., Janulewicz, K.A. (eds) X-Ray Lasers 2010. Springer Proceedings in Physics, vol 136. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-1186-0_38
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DOI: https://doi.org/10.1007/978-94-007-1186-0_38
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-1185-3
Online ISBN: 978-94-007-1186-0
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