Terahertz wire-grid polarizers with micrometer-pitch Al gratings

Itsunari Yamada, Keisuke Takano, Masanori Hangyo, +2

Optics Letters

Thz PhotonicsElectrical EngineeringTerahertz DevicesEngineeringPolarization Transmittance +11

Spirulina-Templated Metal Microcoils with Controlled Helical Structures for THz Electromagnetic Responses

Kaori Kamata, Zhenzi Piao, Soichiro Suzuki, +12

Scientific Reports

Fabrication of Terahertz Planar Metamaterials Using a Super-Fine Ink-Jet Printer

Keisuke Takano, Taku Kawabata, Cho-Fan Hsieh, +7

Applied Physics Express

Materials ScienceSilver Paste InkTerahertz DevicesElectrical EngineeringTerahertz Technology +13

Wire-grid polarizer sheet in the terahertz region fabricated by nanoimprint technology

Keisuke Takano, Hiroshi Yokoyama, Akira Ichii, +2

Optics Letters

Re-Examination of Vth Window and Reliability in HfO2 FeFET Based on the Direct Extraction of Spontaneous Polarization and Trap Charge during Memory Operation

Reika Ichihara, Kunifumi Suzuki, Haruka Kusai, +9

Memory OperationElectrical EngineeringVth WindowEngineeringTrap Charge +10

Significant Volume Expansion as a Precursor to Ablation and Micropattern Formation in Phase Change Material Induced by Intense Terahertz Pulses

Kotaro Makino, Kosaku Kato, Keisuke Takano, +5

Scientific Reports

Trapping waves with terahertz metamaterial absorber based on isotropic Mie resonators

Riad Yahiaoui, Kenichiro Hanai, Keisuke Takano, +4

Optics Letters

Materials SciencePlasmonicsPeriodic Hexagonal NetworkEngineeringTerahertz Metamaterial Absorber +12

Terahertz wave generation from spontaneously formed nanostructures in silver nanoparticle ink

Kosaku Kato, Keisuke Takano, Yuzuru Tadokoro, +1

Optics Letters

Thz PhotonicsTerahertz TechnologyOptical MaterialsEngineeringFemtosecond Laser Pulses +19

Application of Partial Least Square on Quantitative Analysis of L-, D-, and DL-Tartaric Acid by Terahertz Absorption Spectra

Rika Nishikiori, Mariko Yamaguchi, Keisuke Takano, +8

Chemical and Pharmaceutical Bulletin

Partial Least SquareEngineeringDl-tartaric Acid MixtureNatural SciencesSpectroscopy +12

Three-dimensional bulk metamaterials operating in the terahertz range

Fumiaki Miyamaru, Shiro Kuboda, Kazuo Taima, +3

Applied Physics Letters

Thz PhotonicsEngineeringMetamaterialsTerahertz RangeTerahertz Photonics +14