At University of Hyogo (since 2004) & HIT (1996-2003)

Hard x-ray microscopy

Development of a new X-ray soft focusing lens for hard X-ray beamlines：KAKENHI
- Y. Kagoshima, H. Takano and S. Takeda, "Constant-pitch microprism-array optical device for beam condensers in hard x-ray synchrotron radiation beamlines", J. Appl. Phys. 113, 214314 (2013).
- Y. Kagoshima, H. Takano and S. Takeda, "Inclined-incidence quasi-Fresnel lens for prefocusing of synchrotron radiation x-ray beams", Appl. Phys. Lett. 101, 163102 (2012) (4 pages).
Development of a new X-ray Lens (Multilayer Laue Lens)：JST Sentan
- T. Koyama, H. Takano, S. Konishi, T. Tsuji, H. Takenaka, S. Ichimaru, T. Ohchi and Y. Kagoshima (corresponding author)
  "Circular multilayer zone plate for high-energy x-ray nano-imaging", Rev. Sci. Instrum. 83 (2012) 013705 (4 pages).
- T. Koyama, H. Takenaka, S. Ichimaru, T. Ohchi, T. Tsuji, H. Takano and Y. Kagoshima, "Development of Multilayer Laue Lenses; (1) Linear Type", AIP Conf. Proc. 1365 (2011) 24-27.
- T. Koyama, T. Tsuji, H. Takano, Y. Kagoshima, S. Ichimaru, T. Ohchi and H. Takenaka, "Development of Multilayer Laue Lenses; (2) Circular Type", AIP Conf. Proc. 1365 (2011) 100-103.
- T. Koyama, T. Tsuji, H. Takano, Y. Kagoshima, S. Ichimaru, T. Ohchi and H. Takenaka, "Performance test of Mo/Si and MoSi2/Si multilayer Laue lenses", Journal of Physics: Conference Series 186 (2009) 012066.
- H. Takenaka, S. Ichimaru, T. Ohchi, T. Koyama, T. Tsuji, H. Takano and Y. Kagoshima, "Mo/Si and MoSi2/Si nanostructures for multilayer Laue lens", Journal of Physics: Conference Series 186 (2009) 012074.
- T. Koyama, S. Ichimaru, T. Tsuji, H. Takano, Y. Kagoshima, T. Ohchi and H. Takenaka, "Optical properties of MoSi2/Si multilayer Laue lens as nanometer X-ray focusing device", Applied Physics Express 1 (2008) 117003.
Micro-interferometry and phase nanotomography
- T. Koyama, H. Takano, Y. Tsusaka and Y. Kagoshima, "Tomographic quantitative phase measurement by hard X-ray micro-interferometer with 250 nm spatial resolution", Spectrochimica Acta Part B 62 (2007) 603-607.
- T. Koyama, T. Tsuji, K. Yoshida, H. Takano, Y. Tsusaka and Y. Kagoshima, "Hard X-ray nano-interferometer and its application to high-spatial-resolution phase tomography", Jpn. J. Appl. Phys. 45 (2006) pp.L1159-L1161.
- T. Koyama, Y. Kagoshima, I. Wada, A. Saikubo, K. Shimose, K. Hayashi, Y. Tsusaka and J. Matsui, "High-Spatial-Resolution Phase Measurement by Micro-Interferometry Using a Hard X-Ray Imaging Microscope", Jpn. J. Appl. Phys. 43 (2004) L421-L423.
Scanning microscope
- Y. Kagoshima, H. Takano, T. Koyama, Y. Tsusaka and A. Saikubo,"Tandem-Phase Zone-Plate Optics for High-Energy X-ray Focusing", Jpn. J. Appl. Phys. 50 (2011) 022503.
- Y. Kagoshima, K. Shimose, T. Koyama, I. Wada, A. Saikubo, K. Hayashi, Y. Tsusaka and J. Matsui, "Scanning Differential-Phase-Contrast Hard X-Ray Microscopy with Wedge Absorber Detector", Jpn. J. Appl. Phys. 43 (2004) pp.L1449-L1451.
- Y. Kagoshima, K. Takai, T. Ibuki, Y. Yokoyama, T. Hashida, K. Yokoyama, S. Takeda, M. Urakawa, N. Miyamoto, Y. Tsusaka and J. Matsui, "Scanning hard X-ray microscope with tantalum phase zone plate at the Hyogo-BL (BL24XU) of SPring-8", Nucl. Instrum & Methods. A 467-468 (2001) 872-876.
- Y. Kagoshima, K. Takai, T. Ibuki, K. Yokoyama, S. Takeda, M. Urakawa, Y. Tsusaka and J. Matsui, "Focusing Properties of Tantalum Phase Zone Plate and Its Application to Hard X-Ray Microscope", in X-Ray Microscopy: Proceedings of the Sixth International Conference, ed. by W. Meyer-Ilse, T. Warwick and D. Attwood (American Institute of Physics, 2000) pp.668-671.
Microdiffraction studies using a zone-plate-produced microbeam
- M. Kotera, T. Nishino, T. Taura, M. Saito, A. Nakai, T. Koyama and Y. Kagoshima, "Interfacial structure analysis of polymer laminate using SPring-8 X-ray microbeam", Composite Interfaces 14 (2007) pp. 63-72.
- S. Kimura, Y. Kagoshima, K. Kobayashi, K. Izumi, Y. Sakata, S. Sudo, Y. Yokoyama, T. Niimi, Y. Tsusaka and J. Matsui, "Measurement of strain distribution in InGaAsP selective-area growth layers using a micro-area x-ray diffraction method with a sub-mm spatial resolution", Jpn. J. Appl. Phys. 41 (2002) L1013-L1015.
Imaging microscope
- Y. Kagoshima, Y. Yokoyama, T. Niimi, T. Koyama, Y. Tsusaka, J. Matsui and K. Takai, "Hard X-ray phase-contrast microscope for observing transparent specimens", J. Phys IV France 104 (2003) 49-52.
- Y. Kagoshima, T. Ibuki, Y. Yokoyama, K. Takai, Y. Tsusaka and J. Matsui, "230 nm resolution 10 keV X-ray imaging transmission microscope with parallel beam illumination", Jpn. J. Appl. Phys. 41 (2002) 412-413.
- Y. Kagoshima, Y. Yokoyama, T. Ibuki, T. Niimi, Y. Tsusaka, K. Takai and J. Matsui, "High-resolution hard X-ray phase-contrast microscopy with a large-diameter and high-numerical-aperture zone plate", Copyright ? International Union of Crystallography, J. Synchrotron Rad. 9, 132-135 (2002).
- Y. Kagoshima, T. Ibuki, Y. Yokoyama, Y. Tsusaka, J. Matsui, K. Takai and M. Aino, "10 keV X-ray phase-contrast microscopy for observing transparent specimens", Jpn. J. Appl. Phys. 40 (2001) L1190-L1192.
- Y. Kagoshima, T. Ibuki, K. Takai, Y. Yokoyama, N. Miyamoto, Y. Tsusaka and J. Matsui, "500-nm-Resolution 10 keV X-Ray Imaging Transmission Microscope with Tantalum Phase Zone Plates", Jpn. J. Appl. Phys. 39 (2000) L433-L435.

Studies of x-ray optics at the Hyogo Prefectural Beamline (BL24XU) of the SPring-8

Construction and Management of Hyogo Prefectural Beamline
- Y. Tsusaka, K. Yokoyama, K. Takai, S. Takeda, Y. Kagoshima and J. Matsui, "Hyogo beamline at SPring-8: multiple station beamline with the TROIKA concept", Nucl. Instrum & Methods. A 467-468 (2001) 670-673.
- Y. Tsusaka, S. Takeda, K. Takai, K. Yokoyama, Y. Kagoshima, J. Matsui, S. Sato, N. Toda and S. Kimura, "Characterization of diamond single crystals for synchrotron radiation monochromators", Jpn. J. Appl. Phys. 38 (1999) Suppl. 38-1, pp.616-619.
- J. Matsui, Y. Kagoshima and Y. Tsusaka, "Outline of the Hyogo Beamline (BL24XU)", SPring-8 Information 2 (No.2, March 1997) 29-33.
Phase-contasrt hard x-ray imaging
- K. Kobayashi, K. Izumi, H. Kimura, S. Kimura, T. Ibuki, Y. Yokoyama, Y. Tsusaka, Y. Kagoshima and J. Matsui"X-ray phase-contrast imaging with submicron resolution by using extremely asymmetric Bragg diffractions", Appl. Phys. Lett. 78 (2001) pp.132-134.
- K. Takai, T. Ibuki, K. Yokoyama, Y. Tsusaka, Y. Kagoshima, J. Matsui and K. Yamasaki "Phase-contrast x-ray microscopy with a point focus x-ray source", in X-Ray Microscopy: Proceedings of the Sixth International Conference, ed. by W. Meyer-Ilse, T. Warwick and D. Attwood (American Institute of Physics, 2000) pp.416-419.
- Y. Kagoshima, Y. Tsusaka, J. Matsui, K. Yokoyama, K. Takai, S. Takeda, K. Kobayashi, H. Kimura, S. Kimura and K. Izumi, "Real-time phase-contrast x-ray imaging using two-dimensionally expanded synchrotron radiation x-rays at the BL24XU (Hyogo-BL) of the Spring-8", in X-Ray Microscopy: Proceedings of the Sixth International Conference, ed. by W. Meyer-Ilse, T. Warwick and D. Attwood (American Institute of Physics, 2000) pp.41-44.
- Y. Kagoshima, Y. Tsusaka, K. Yokoyama, K. Takai, S. Takeda and J. Matsui, "Phase Contrast X-Ray Imaging Using Both Vertically and Horizontally Expanded Synchrotron Radiation X-Rays with Asymmetric Bragg Reflection", Jpn. J. Appl. Phys. 38 (1999) L470-L472.

At the Photon Factory (1990 ～ 1996)

X-ray microscopy at the Photon Factory

Imaging microscope using zone plate for biological applications
- J. Wang, Y. Kagoshima, T. Miyahara, M. Ando, S. Aoki, E. Anderson, D. Attwood and D. Kern, "A zone plate soft X-ray microscope using monochromatized undulator radiation at the beamline NE1B of the TRISTAN accumulation ring", Rev. Sci. Instrum. 66 (1995) 1401-1403.
Scanning microscope using zone plate for materials science
- Y. Kagoshima, T. Miyahara, M. Ando, J. Wang and S. Aoki, "Magnetic domain-specific microspectroscopy with a scanning X-ray microscope using circularly polarized undulator radiation", J. Appl. Phys. 80 (1996) 3124-3126.

Operation of beamlines for circularly polarized VUV/SX radiation produced by the elliptic multipole wigglers

BL28 covering VUV region
- Y. Kagoshima, S. Muto, T. Miyahara, T. Koide, S. Yamamoto and H. Kitamura, "Construction and performance of BL28 of the Photon Factory for circularly polarized synchrotron radiation", Rev. Sci. Instrum. 63 (1992) 1289-1292.
BL-NE1B covering SX region
- Y. Kagoshima, S. Muto, S. Park, J. Wang, T. Miyahara, S. Yamamoto and H. Kitamura, "Construction and performance of the beamline NE1B for circularly polarized soft X-rays in the TRISTAN accumulation ring", Rev. Sci. Instrum. 66 (1995) 1696-1698.

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