Search Results - "Takayanagi, Jun"

High-resolution time-of-flight terahertz tomography using a femtosecond fiber laser by Takayanagi, Jun, Jinno, Hiroki, Ichino, Shingo, Suizu, Koji, Yamashita, Masatsugu, Ouchi, Toshihiko, Kasai, Shintaro, Ohtake, Hideyuki, Uchida, Hirohisa, Nishizawa, Norihiko, Kawase, Kodo

“…High-resolution tomographic imaging is demonstrated using a reflection-type terahertz time-domain spectroscopy. To realize a practical system for general use,…”
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Flatly broadened, wideband and low noise supercontinuum generation in highly nonlinear hybrid fiber by Hori, Takashi, Takayanagi, Jun, Nishizawa, Norihiko, Goto, Toshio

“…We present wideband of 1180-2100 nm, flatly broadened supercontinuum (SC) generation using highly nonlinear hybrid fibers and femtosecond fiber laser. Stable…”
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Carbonization of Silicon Nanoparticles via Ablation Induced by Femtosecond Laser Pulses in Hexane by Yu, Xi, Terakawa, Shusaku, Hayashi, Shunsuke, Asaka, Toru, Itoigawa, Fumihiro, Ono, Shingo, Takayanagi, Jun

“…Silicon carbide (SiC) has been widely used in various technological applications, including power devices, light-receiving devices, and light-emitting devices…”
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Generation and detection of broadband coherent terahertz radiation using 17-fs ultrashort pulse fiber laser by Takayanagi, Jun, Kanamori, So, Suizu, Koji, Yamashita, Masatsugu, Ouchi, Toshihiko, Kasai, Shintaro, Ohtake, Hideyuki, Uchida, Hiromasa, Nishizawa, Norihiko, Kawase, Kodo

“…We describe the generation and detection of broadband terahertz radiation using an all-fiber laser. Optical pulses from a mode-locked fiber laser oscillator…”
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Generation of Widely and Flatly Broadened, Low-Noise and High-Coherence Supercontinuum in All-Fiber System by Takayanagi, Jun, Nishizawa, Norihiko

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Generation of low-noise and high-coherence, ultrabroad and flat supercontinuum using high-power Raman soliton pulse and highly nonlinear fiber by Jun Takayanagi, Nishizawa, N.

“…Broad and flat supercontinuum with plusmn1 dB uniformity at wavelength region of 1370-1890 nm is generated using all-fiber laser system. Obtained…”
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Nondestructive thickness measurement system for multiple layers of paint based on femtosecond fiber laser technologies by Sudo, Masaaki, Takayanagi, Jun, Ohtake, Hideyuki

“…Because optical fiber-based optical systems are generally robust against external interference, they can be used as reliable systems in industrial applications…”
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Achromatic wave plate in THz frequency region based on parallel metal plate waveguides with a pillar array by Nagai, Masaya, Mukai, Noriyuki, Minowa, Yosuke, Ashida, Masaaki, Suzuki, Takehito, Takayanagi, Jun, Ohtake, Hideyuki

“…We demonstrated an achromatic wave plate based on parallel metal plate waveguides in the high THz frequency region. The metal plates have periodic rough…”
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High-Peak-Power Ultrashort Pulse Generation Using All-Fiber Chirped Pulse Amplification System with Small Core Multimode Fiber by Takayanagi, Jun, Nishizawa, Norihiko, Nagai, Hiroyuki, Yoshida, Makoto, Goto, Toshio

“…We present an all-fiber chirped pulse amplification system based on a normally dispersive single mode Er-doped fiber and a multimode fiber of 25 µm core…”
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Generation and Detection of THz Pulses With a Bandwidth Extending Beyond 4 THz Using a Subpicosecond Yb-Doped Fiber Laser System by Nagai, Masaya, Matsubara, Eiichi, Ashida, Masaaki, Takayanagi, Jun, Ohtake, Hideyuki

“…We experimentally demonstrate the generation and detection of broadband THz pulses with a bandwidth extending beyond 4 THz by using a 1.04- μm Yb-doped fiber…”
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Nondestructive analysis of structure and components of tablet coated with film by the usage of terahertz time-domain reflection spectroscopy by Takeuchi, Issei, Shimakura, Kemmaro, Ohtake, Hideyuki, Takayanagi, Jun, Tomoda, Keishiro, Nakajima, Takehisa, Terada, Hiroshi, Makino, Kimiko

“…Nondestructive analysis of tablet is of great importance from the aspect of productivity and safety. In terahertz (THz) region, however, the analysis of core…”
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1.0-1.7- \mu m Wavelength-Tunable Ultrashort-Pulse Generation Using Femtosecond Yb-Doped Fiber Laser and Photonic Crystal Fiber by Takayanagi, J., Sugiura, T., Yoshida, M., Nishizawa, N.

“…A widely wavelength-tunable ultrashort-pulse fiber-laser source has been demonstrated using a high-power mode-locked ytterbium (Yb)-doped fiber laser and a…”
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Generation of high-power femtosecond pulse and octave-spanning ultrabroad supercontinuum using all-fiber system by Takayanagi, J., Nishizawa, N., Nagai, H., Yoshida, M., Goto, T.

“…We present the all-fiber system for amplification of high peak power femtosecond pulses. The 260-fs pulses are generated in the passively mode-locked Er-doped…”
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Generation of pedestal-free 22-fs ultrashort pulse using highly nonlinear fiber and reverse-dispersion fiber by Takayanagi, J., Nishizawa, N., Sugiura, T., Yoshida, M., Goto, T.

“…We present an all-fiber system for generating pedestal-free 22-fs ultrashort pulses with a single-peak spectrum. High-power Raman soliton pulses and a normally…”
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1.0-1.7 μm wavelength-tunable ultrashort pulse generation using high-power mode-locked Yb-doped fiber laser and highly-nonlinear photonic crystal fiber by Takayanagi, J., Nishizawa, N., Sugiura, T., Yoshida, M.

“…Widely wavelength-tunable ultrashort pulses are generated using passively modelocked Yb-doped fiber laser and photonic crystal fiber. Soliton and anti-stokes…”
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THz time-domain spectroscopy beyond 4 THz using a sub-picosecond Yb-doped fiber laser system by Nagai, Masaya, Matsubara, Eiichi, Ashida, Masaaki, Takayanagi, Jun, Ohtake, Hideyuki

“…We performed THz pulse generation and detection beyond 4 THz by using a 1.04-μm Yb-doped fiber laser with a pulse duration of 480 fs. Owing to higher-order…”
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Achromatic THz wave plate composed of stacked parallel metal plates with a pillar array by Mukai, Noriyuki, Nagai, Masaya, Minowa, Yosuke, Ashida, Masaaki, Takayanagi, Jun, Ohtake, Hideyuki

“…We propose an achromatic wave plate in the high THz frequency region based on the artificial medium. It is composed of the stacked parallel metal plates with a…”
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Generation of Ultrabroad and flat supercontinuum using high-power Raman soliton pulse and highly nonlinear fiber by Takayanagi, J., Nishizawa, N.

“…Ultrabroad and flat supercontinuum is generated using pedestal-free Raman soliton pulse and normally-dispersive highly-nonlinear fiber. Obtained supercontinuum…”
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Generation of Pedestal Free 22 fs Ultrashort Pulse with Single-Peak Spectrum Using All-Fiber Laser System by Takayanagi, J., Nishizawa, N., Nagai, H., Yoshida, M., Goto, T.

“…Almost pedestal free 22 fs ultrashort pulses with single-peak spectrum around 1.7 µm are generated in all-fiber laser system using highly nonlinear fiber and…”
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