Home

儂乕儉

People

儊儞僶乕

Reseach

尋媶撪梕

Publications

尋媶惉壥

Join us

尋媶幒徯夘

Access

尋媶幒傊偺摴埬撪

Link

儕儞僋

Publication List

  1. Yukine Tsuru, Yuichi Kozawa, Yuuki Uesugi, and Sshunichi Sato
    Laser nanoprocessing via enhanced longitudinal electric field of a radially polarized beam
         Optics Letters, 49(6), 1405 (2024), 10.1364/OL.517382
    Press release (https://www.tohoku.ac.jp/japanese/2024/03/press20240312-01-laser.html)
  2. Daisuke Kume, Yuchi Kozawa, Ryosuke Kawakami, Hirokazu Ishii, Yuki Watakabe, Yuuki Uesugi, Takeshi Imamura, Tomomi Nemoto, and Shunichi Sato
    Graded arc beam in light needle microscopy for axially resolved, rapid volumetric imaging without nonlinear processes
         Optics Express, 32(5), 7289 (2024), 10.1364/OE.516437
  3. Wakako Ishikawa and Shunichi Sato
    Mechanical C–C, C–O and O–O bond formation between methanol molecules by laser driven shock wave
     AIP Advances, 14(2), 025322 (2024), 10.1063/5.0185586
    Kudos: Laser-driven shock wave combines molecules producing new molecules. (growkudos.com)
  4. Mitsutoshi Ataka, Kohei Otomo, Ryosuke Enoki, Hirokazu Ishii, Motosuke Tsutsumi, Yuichi Kozawa, Shunichi Sato, and Tomomi Nemoto
     Multibeam continuous axial scanning two-photon microscopy for in vivo volumetric imaging in mouse brain
         Biomedical Optics Express, 15(2), 1089 (2024),     10.1364/BOE.514826
    Selected as a Editors' Pick
  5. Naohiro Kadoguchi, Yuuki Uesugi, Makoto Nagasako, Testuro Kobayashi, Yuichi Kozawa, Shunichi Sato
    Nanoprocessing of self-suspended monolayer graphene and defect formation by femtosecond-laser irradiation
         Nano Letters, 23(11), 4893 (2023), 10.1021/acs.nanolett.3c00594
     Press release (https://www.tohoku.ac.jp/japanese/2023/05/press20230519-02-graphene.html)
  6. Yuuki Uesugi, Taito Miwa, Naohiro Kadoguchi, Yuichi Kozawa, Shunichi Sato
         Multi beam ultrafast laser processing of free standing nanofilms
         Applied Physics A, 129, 101 (2023), 10.1007/s00339-022-06361-8
  7. Ching-Pu Chang, Kohei Otomo, Yuichi Kozawa, Hirokazu Ishii, Miwako Yamasaki, Masahiko Watanabe, Shunichi Sato, Ryosuke Enoki, Tomomi Nemoto
    Single-scan volumetric imaging throughout thick tissue specimens by one-touch installable light-needle creating device 
    Scientific Reports, 12, 10468 (2022), 10.1038/s41598-022-14647-3
  8. Yuuki Uesugi, Yuichi Kozawa, and Shunichi Sato
    Properties of electron lenses produced by ponderomotive potential with Bessel and Laguerre–Gaussian beams
         Journal of Optics, 24(5), 054013 (2022),     10.1088/2040-8986/ac6524
    Press release (https://www.tohoku.ac.jp/en/press/electron_lens_formed_by_light.html)
  9. Yuichi Kozawa, Tomoya Nakamura, Yuuki Uesugi and Shunichi Sato
     Wavefront engineered light needle microscopy for axially resolved rapid volumetric imaging
         Biomedical Optics Express, 13(3), 1702-1717 (2022),     10.1364/BOE.449329
    Press release (https://www.tohoku.ac.jp/en/press/engineered_light_wave_enable_rapid_recording_3d_microscope_images.html)
  10. Takahiro Nakamura, Yuki Yamazaki, and Shunichi Sato
    Synthesis of noble metals and their alloy nanoparticles by laser-induced nucleation in a highly intense laser field
    KONA Powder and Particle Journal, 39, 110 (2022), 10.14356/kona.2022002
  11. Yuuki Uesugi, Yuichi Kozawa, and Shunichi Sato
    Electron round lenses with negative spherical aberration by a tightly focused cylindrically polarized light beam
     Physical Review Applied, 16(1), L011002 (2021), 10.1103/PhysRevApplied.16.L011002
  12. Yuuki Uesugi, Yuichi Kozawa, and Shunichi Sato
     Nanoprocessing of free-standing thin films by ultrafast laser ablation
    Proc. SPIE, 11674, 116740O (2021)    ,     10.1117/12.2587393
  13. Minhajul Islam, M. S. I. Sarker, Takahiro Nakamura, M. K. R. Khan, F. A. Khan, M. A. Islam, M. M. Rahman, and Shunichi Sato
     Structural, electronic and magnetic properties of L10 ordered CoPt nanoparticles: an experimental and DFT study
     Materials Chemistry and Physic    s, 269, 124727 (2021), 10.1016/j.matchemphys.2021.124727
  14. Yuichi Kozawa and Shunichi Sato
     Small focal spot formation by vector beams
    in     Progress in Optics, vol. 66, T. D. Visser, ed. (Elsevier, 2021), Chap. 2,     10.1016/bs.po.2021.01.001
  15. Kazushi Yamaguchi, Kohei Otomo, Yuichi Kozawa, Motosuke Tsutsumi, Tomoko Inose, Kenji Hirai, Shunichi Sato, Tomomi Nemoto, and Hiroshi Uji-i
     Adaptive optical two-photon microscopy for surface-profiled living biological specimens
     ACS Omega, 6(1), 438-447 (2021), 10.1021/acsomega.0c04888
  16. Yuichi Kozawa, Masaki Sato, Yuuki Uesugi, and Shunichi Sato
    Laser microprocessing of metal surfaces using a tightly focused radially polarized beam
     Optics     Letters, 45(22), 6234-6237 (2020), 10.1364/OL.405852
  17. Yuuki Uesugi, Ryota Fukushima, Yuichi Kozawa, and Shunichi Sato
    Ultrafast laser ablation of 10-nm self-supporting membranes by two-beam interference processing
    Optics Express,     28(18), 26200-26206 (2020), 10.1364/OE.400941
  18. Wakako Ishikawa and Shunichi Sato
    Mechanical C−C bond formation by laser driven shock wave
     ChemPhysChem,     20(18), 2104-2111 (2020), 10.1002/cphc.202000563
  19. Yuichi Kozawa, Ryota Sakashita, Yuuki Uesugi, and Shunichi Sato
    Imaging with a longitudinal electric field in     confocal laser scanning microscopy to enhance spatial resolution
     Optics Express, 28(12), 18418-18430 (2020), 10.1364/OE.396778
  20. Teppei Nishi, Shunsuke Sato, Ayako Ohshima, Takahiro Nakamura, Shunichi Sato and Takeshi Morikawa
    Formation of C2 organic molecules from CO2 and H2O by femtosecond laser-induced chemical  reactions in water
    Japanese Journal of Applied Physics    , 59(5), 057001 (2020),     10.35848/1347-4065/ab87de
  21. Yuuki Uesugi, Yuichi Kozawa, and Shunichi Sato
    Direct generation of the lowest-order vortex beam using a spot defect mirror in the ultraviolet region
    Optics Letters, 45(7), 2115-2118 (2020),     10.1364/OL.389174
  22. A. Khoroshun, A. Ryazantsev, O. Ryazantsev, S. Sato, Y. Kozawa, J. Masajada, A. Popiołek-Masajada, M. Szatkowski, A. Chernykh and A. Bekshaev
    Formation of an optical field with regular singular-skeleton structure by the double-phase-ramp converter
    Journal of Optics, 22(2), 025603 (2020), 10.1088/2040-8986/ab61c9
  23. Md Samiul Islam Sarker, Takahiro Nakamura, Satoshi Kameoka, Yuichiro Hayasaka, Shu Yin and Shunichi Sato
    Enhanced catalytic activity of inhomogeneous Rh based solid-solution alloy nanoparticles
    RSC Advances, 9(66), 38882-38890 (2019), 10.1039/c9ra06167c
  24. Md. Samiul Islam Sarker, Takahiro Nakamura, Ali Hossain, Yuichi Kozawa and Shunichi Sato
    Nonlinear optical properties of Rh–Pd and Rh–Pt solid-solution alloy nanoparticles prepared by a laser-induced nucleation method in aqueous solution
    OSA Continuum, 2(10), 2891-2900 (2019), 10.1364/OSAC.2.002891
  25. Yuichi Kozawa and Shunichi Sato
    Light needle microscopy with spatially transposed detection for axially resolved volumetric imaging
    Scientific Reports, 9, 11687 (2019),     10.1038/s41598-019-48265-3
  26. Yuuki Uesugi, Ryota Fukushima, Koh Saito, and Shunichi Sato
    Creating electron phase holograms using femtosecond laser interference processing
    Optics Express, 27(15), 20958-20964 (2019), 10.1364/OE.27.020958
  27. Anna Khoroshun, Oleksii Chernykh, Halyna Tatarchenko, Shunichi Sato, Yuichi Kozawa, Agnieszka Popiolek-Masajada, Mateusz Szatkowski, and Weronika Lamperska
    Chain of optical vortices synthesized by a Gaussian beam and the double-phase-ramp converter
    OSA Continuum, 2(2), 320-331 (2019), 10.1364/OSAC.2.000320
  28. Mio Yoshida, Yuichi Kozawa, and Shunichi Sato
    Subtraction imaging by the combination of higher order vector beams for enhanced spatial resolution
    Optics Letters, 44(4), 883-886 (2019), 10.1364/OL.44.000883
  29. Tomoya Nakamura, Shunsuke Igarashi, Yuichi Kozawa, Masahiro Yamaguchi
     Non-diffracting linear-shift point-spread function by focus-multiplexed computer-generated hologram
     Optics Letters, 43(24), 5949-5952 (2018), 10.1364/OL.43.005949
  30. Yuichi Kozawa, Yuki Nara, Naoto Jikutani, Yasuhiro Higashi, and Shunichi Sato
    Vector beam generation from vertical cavity surface emitting lasers
    Optics Letters, 43(22), 5659-5662 (2018), 10.1364/OL.43.005659
  31. Teppei Nishi, Yuichiro Hayasaka, Takahiro Nakamura, Takeshi Morikawa, and Shunichi Sato
    Core-shell like Au-Ir nanoparticles with spatially variant electronic state of Au synthesized by femtosecond laser irradiation of solution
    Applied Surface Science, 457, 1044-1049 (2018), 10.1016/j.apsusc.2018.07.046
  32. Teppei Nishi, Yuichiro Hayasaka, Tomiko M. Suzuki, Shunsuke Sato, Noritake Isomura, Naoko Takahashi, Satoru Kosaka, Takahiro Nakamura, Shunichi Sato, and Takeshi Morikawa
    Electrochemical Water Oxidation Catalysed by CoO乚Co2O3乚Co(OH)2 Multiphase Nanoparticles Prepared by Femtosecond Laser Ablation in Water
    ChemistrySelect, 3(17), 4979-4984 (2018), 10.1002/slct.201800943
  33. Shugo Matsusaka, Yuichi Kozawa, and Shunichi Sato
    Micro-hole drilling by tightly focused vector beams
    Optics Letters, 43(7), 1542-1545 (2018) 10.1364/OL.43.001542
  34. Yuichi Kozawa, Daichi Matsunaga, and Shunichi Sato
    Superresolution imaging via superoscillation focusing of a radially polarized beam
    Optica, 5(2), 86-92 (2018), 10.1364/OPTICA.5.000086
  35. Muttaqin, Takahiro Nakamura, Yuta Nishina, Shunichi Sato
    Chemical surface modification of graphene oxide by femtosecond laser pulse irradiation in aqueous suspensions
    Journal of Materials Science, 52(2), 749-759 (2017), 10.1007/s10853-016-0368-8
  36. Y. Uesugi, Y. Hosaka, Y. Honda, A. Kosuge, K. Sakaue, T. Omori, T. Takahashi, J. Urakawa, M. Washio
    Feedback-free optical cavity with self-resonating mechanism
    APL Photonics, 1, 026103 (2016) 10.1063/1.4945353
  37. T. Akagi, S. Araki, Y. Funahashi, Y. Honda, S. Miyoshi, T. Okugi, T. Omori, H. Shimizu, K. Sakaue, T. Takahashi, R. Tanaka, N. Terunuma, Y. Uesugi, J. Urakawa, M. Washio, H. Yoshitama
    Demonstration of the stabilization technique for nonplanar optical resonant cavities utilizing polarization
    Review of Scientific Instruments, 86, 043303 (2015), 10.1063/1.4918653
  38. Takumi Sato, Yuichi Kozawa, Shunichi Sato
    Transverse-mode selective laser operation by unicursal fast-scanning pumping
    Optics Letters, 40(14), 3245-3248 (2015) 10.1364/OL.40.003245
  39. Sunil Vyas, Yuichi Kozawa, Yoko Miyamoto
    Creation of polarization gradients from superposition of counter propagating vector LG beams
    Optics Express, 23(26), 33970-33979 (2015) 10.1364/OE.23.033970
  40. Yuichi Kozawa, Shunichi Sato
    Numerical analysis of resolution enhancement in laser scanning microscopy using a radially polarized beam
    Optics Express, 23(3), 2076-2084 (2015) 10.1364/OE.23.002076
  41. Takahiro Nakamura, Shunichi Sato
    Green and facile synthesis of Pd-Pt alloy nanoparticles by laser irradiation of aqueous solution
    Journal of Nanoscience and Nanotechnology, 15(1), 426-432 (2015) 10.1166/jnn.2015.8846
  42. Md. Samiul Islam Sarker, Takahiro Nakamura, Shunichi Sato
    All-proportional solid-solution Rh–Pd–Pt alloy nanoparticles by femtosecond laser irradiation of aqueous solution with surfactant
    Journal of Nanoparticle Research, 17(6), 259 (2015) 10.1007/s11051-015-3056-8
  43. Ryosuke Kawakami, Kazuaki Sawada, Yuta Kusama, Yi-Cheng Fan, Shinya Kanazawa, Yuichi Kozawa, Shunichi Sato, Hiroyuki Yokoyama, Tomomi Nemoto
    In vivo two-photon imaging of mouse hippocampal neurons in dentate gyrus using a light source based on a high-peak power gain-switched laser diode
    Biomedical Optics Express, 6(3), 891-901 (2015) 10.1364/BOE.6.000891
  44. Muttaqin, Takahiro Nakamura, Shunichi Sato
    Synthesis of gold nanoparticle colloids by highly intense laser irradiation of aqueous solution by flow system
    Applied Physics A, 120(3), 881-888 (2015) 10.1007/s00339-015-9314-x