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Chu CH, Tang MT, Chang SL. Effective increase in beam emittance by phase-space expansion using asymmetric Bragg diffraction. Opt Express. 2015;23(17):21719-29doi: 10.1364/OE.23.021719.
Chu, C. H., Tang, M. T., & Chang, S. L. (2015). Effective increase in beam emittance by phase-space expansion using asymmetric Bragg diffraction. Optics express, 23(17), 21719-29. https://doi.org/10.1364/OE.23.021719
Chu, Chia-Hung, et al. "Effective increase in beam emittance by phase-space expansion using asymmetric Bragg diffraction." Optics express vol. 23,17 (2015): 21719-29. doi: https://doi.org/10.1364/OE.23.021719
Chu CH, Tang MT, Chang SL. Effective increase in beam emittance by phase-space expansion using asymmetric Bragg diffraction. Opt Express. 2015 Aug 24;23(17):21719-29. doi: 10.1364/OE.23.021719. PMID: 26368150.
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Opt Express. 2015 Aug 24;23(17):21719-29. doi: 10.1364/OE.23.021719.

Effective increase in beam emittance by phase-space expansion using asymmetric Bragg diffraction.

Optics express

Chia-Hung Chu, Mau-Tsu Tang, Shih-Lin Chang

PMID: 26368150 DOI: 10.1364/OE.23.021719

Abstract

We propose an innovative method to extend the utilization of the phase space downstream of a synchrotron light source for X-ray transmission microscopy. Based on the dynamical theory of X-ray diffraction, asymmetrically cut perfect crystals are applied to reshape the position-angle-wavelength space of the light source, by which the usable phase space of the source can be magnified by over one hundred times, thereby "phase-space-matching" the source with the objective lens of the microscope. The method's validity is confirmed using SHADOW code simulations, and aberration through an optical lens such as a Fresnel zone plate is examined via matrix optics for nano-resolution X-ray images.

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