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PNJ generated by microfabricated dielectric cylinders using PBW
PNJ generated by microfabricated dielectric cylinders using PBW
K. Kosumsupamala, K. Tobe , A. Tsuji, D. Seya, H. Seki, N. Puttaraksa, T. Matsui and H. Nishikawa, "Photonic nanojets generated by microfabricated dielectric cylinders using proton beam writing", Appl. Phys. Lett. 123(14), 141102 (2023).
Featured online on AIP Publishing showcase in Kudos
3D-printed SIM for optical sectioning
3D-printed SIM for optical sectioning
T. Matsui and D. Fujiwara, "Optical sectioning robotic microscopy for everyone: the structured illumination microscope with the OpenFlexure stages", Opt. Express 30(13), pp. 23208-23216 (2022).
GitHub repository of the .stl files for 3D printing
Maker Meeting for Maker Faire Kyoto (4/2022)
a short video @ OpenFlexureCon 2022 (7/2022)
Reflection-less frequency-selective microwave metamaterial absorber
Reflection-less frequency-selective microwave metamaterial absorber
T. Matsui, S. Taniguchi, K. Yoshida, and H. Murata, "Reflection-less frequency-selective microwave metamaterial absorber", OSA Continuum 4(8), pp. 2351-2363 (2021).
Index-tunable THz active metamaterials
Index-tunable THz active metamaterials
Y. Watanabe & T. Matsui, “Index-tunable terahertz metamaterials based on double-layered closed-ring resonator arrays”, J. of Photonics for Energy, 8(3), 032211 (2018).
Efficient optical modulation of THz transmission
Efficient optical modulation of THz transmission
T. Matsui et al., , “Mechanism of Optical Terahertz-Transmission Modulation in Organic/Inorganic Semiconductor Interface and Its Application to Active Metamaterials”, Opt. Lett. 38, pp.4632-4635 (2013).
T. Matsui et al., “Efficient optical terahertz-transmission modulation in solution-processable organic semiconductor thin films on silicon substrate”, Jpn. J. Appl. Phys. 55, 3S2, pp.03DC12-1-4 (2016).
collaboration with ILE, Osaka Univ.
Freestanding Polymer SRRs
Freestanding Polymer SRRs
PIC-FDTD analysis of e-beam-induced THz radiation
PIC-FDTD analysis of e-beam-induced THz radiation
A. Okajima & T. Matsui, “Electron-beam induced terahertz radiation from graded metallic grating”, Opt. Express 22, pp.17490-17496 (2014).
T. Matsui, "A Brief Review on Metamaterial-Based Vacuum Electronics for Terahertz and Microwave Science and Technology", J. Infrared Milli Terahz Waves 38, pp.1140-1161 (2017).
Direct imaging of tunable PNJs from a self-assembled LC microdroplet
Direct imaging of tunable PNJs from a self-assembled LC microdroplet
Construction of cost-efficient LSCM system
Construction of cost-efficient LSCM system
T. Matsui and K. Tsukuda, "Direct imaging of tunable photonic nanojets from a self-assembled liquid crystal microdroplet", Opt. Lett. 42(22), pp. 4663-4666 (2017).
Featured online on Advances in Engineering
DSWs in NDLC metamaterials
DSWs in NDLC metamaterials
T. Matsui, “Dyakonov surface waves in nanoparticle-dispersed liquid crystal metamaterials”, Appl. Phys. Express 8, pp.072601-1-4 (2015).
tunable microwave & THz metamaterials utilizing pi-conjugated polymer actuators
tunable microwave & THz metamaterials utilizing pi-conjugated polymer actuators
T. Matsui et al., , “Electroactive Tuning of Double-Layered Metamaterials Based on π-Conjugated Polymer Actuators”, Adv. Opt. Mater. 4, pp.135-140 (2016).
collaboration with NLPC, ANU
EIT analogue in magnetoelastic metamaterials
EIT analogue in magnetoelastic metamaterials
T. Matsui et al., “Electromagnetic tuning of resonant transmission in magnetoelastic metamaterials”, Appl. Phys. Lett. 104, pp.161117-1-4 (2014).
collaboration with NLPC, ANU
ADE-FDTD analysis of lasing dynamics in CLC
ADE-FDTD analysis of lasing dynamics in CLC
T. Matsui & M. Kitaguchi, “Finite-Difference Time-Domain Analysis of Laser Action in Cholesteric Photonic Liquid Crystal”, Appl. Phys. Express 3, pp.061701-1-3 (2010).
松井龍之介 「コレステリック液晶レーザーの数値シミュレーション ーレージング・ダイナミクスのADE-FDTD解析 ー」，液晶, 16, pp.16-23 (2012).
THz EOT in aperiodic hole array
THz EOT in aperiodic hole array
T. Matsui et al., “Transmission resonances through aperiodic arrays of subwavelength apertures”, Nature 446, pp.517-521, (2007).
A. Agrawal et al., “Terahertz transmission properties of quasiperiodic and aperiodic aperture arrays”, J. Opt. Soc. Am. B 24, pp.2545-2555 (2007).
A. Agrawal et al., “Aperiodic Aperture Arrays as Terahertz Plasmonic Metamaterials”, SPIE Newsroom (2007).
THz EOT in heavily-doped pi-conjugated polymer film perforated with a periodic hole array
THz EOT in heavily-doped pi-conjugated polymer film perforated with a periodic hole array
T. Matsui et al., “Resonantly enhanced transmission through a periodic array of subwavelength apertures in heavily doped conducting polymer films”, Appl. Phys. Lett. 88, p.071101-1-3, (2006).
Z. V. Vardeny et al., “Tunable plasmonic crystals of heavily-doped conducting polymers promise novel devices”, SPIE Newsroom (2006)
Lasing in photopolymerized CLC film
Lasing in photopolymerized CLC film
T. Matsui et al., “Flexible mirroless laser based on a free-standing film of photopolymerized cholesteric liquid crystal”, Appl. Phys. Lett. 81, pp.3741-3743 (2002).
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