Search Results - "Nagano, Koji"

Mitigation of radiation-pressure-induced angular instability of a Fabry–Perot cavity consisting of suspended mirrors by Nagano, Koji, Enomoto, Yutaro, Nakano, Masayuki, Furusawa, Akira, Kawamura, Seiji

“…To observe radiation pressure noise in optical cavities consisting of suspended mirrors, high laser power is necessary. However, because the radiation pressure…”
Get full text

A case of tubulointerstitial nephritis and uveitis syndrome following drug‐induced acute interstitial nephritis by Kitamura, Yukiko, Kuraoka, Shohei, Nagano, Koji, Tamura, Hiroshi

“…Distinguishing between late‐onset TINU syndrome and drug‐induced AIN remains difficult given that patients with TINU syndrome may develop uveitis long after…”
Get full text

Melting and breaking characteristics of strands of high‐strength and high‐corrosion‐resistant OPGW due to DC arc discharge simulating high‐energy lightning strike by Iwata, Mikimasa, Ohtaka, Toshiya, Goda, Yutaka, Yamagami, Susumu, Kato, Atsushi, Nagano, Koji

“…Metal strands of composite fiber‐optic ground wire (OPGW) are sometimes melted and broken by high‐energy lightning strikes. Direct current (DC) arc tests…”
Get full text

Optimization of Design Parameters for Gravitational Wave Detector DECIGO Including Fundamental Noises by Kawasaki, Yuki, Shimizu, Ryuma, Ishikawa, Tomohiro, Nagano, Koji, Iwaguchi, Shoki, Watanabe, Izumi, Wu, Bin, Yokoyama, Shuichiro, Kawamura, Seiji

“…The DECi-hertz Interferometer Gravitational-Wave Observatory (DECIGO) is a space gravitational wave (GW) detector. DECIGO was originally designed to be…”
Get full text

Improvement of the Target Sensitivity in DECIGO by Optimizing Its Parameters for Quantum Noise Including the Effect of Diffraction Loss by Ishikawa, Tomohiro, Iwaguchi, Shoki, Michimura, Yuta, Ando, Masaki, Yamada, Rika, Watanabe, Izumi, Nagano, Koji, Akutsu, Tomotada, Komori, Kentaro, Musha, Mitsuru, Naito, Takeo, Morimoto, Taigen, Kawamura, Seiji

“…The DECi-hertz Interferometer Gravitational-wave Observatory (DECIGO) is the future Japanese, outer space gravitational wave detector. We previously set the…”
Get full text

Optimization of Quantum Noise in Space Gravitational-Wave Antenna DECIGO with Optical-Spring Quantum Locking Considering Mixture of Vacuum Fluctuations in Homodyne Detection by Tsuji, Kenji, Ishikawa, Tomohiro, Komori, Kentaro, Nagano, Koji, Enomoto, Yutaro, Michimura, Yuta, Umemura, Kurumi, Shimizu, Ryuma, Wu, Bin, Iwaguchi, Shoki, Kawasaki, Yuki, Furusawa, Akira, Kawamura, Seiji

“…Quantum locking using optical spring and homodyne detection has been devised to reduce the quantum noise that limits the sensitivity of the DECIGO, a…”
Get full text

Quantum Noise in a Fabry-Perot Interferometer Including the Influence of Diffraction Loss of Light by Iwaguchi, Shoki, Ishikawa, Tomohiro, Ando, Masaki, Michimura, Yuta, Komori, Kentaro, Nagano, Koji, Akutsu, Tomotada, Musha, Mitsuru, Yamada, Rika, Watanabe, Izumi, Naito, Takeo, Morimoto, Taigen, Kawamura, Seiji

“…The DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is designed to detect gravitational waves at frequencies between 0.1 and 10 Hz. In this…”
Get full text

The current status of contribution activities in Japan for LISA by Izumi, Kiwamu, Sago, Norichika, Akutsu, Tomotada, Ando, Masaki, Fujita, Ryuichi, Fukunabe, Kenji, Kita, Naoki, Kobayashi, Masato, Komori, Kentaro, Michimura, Yuta, Musha, Mitsuru, Nagano, Koji, Nakano, Hiroyuki, Okasaka, Hiroki, Seto, Naoki, Shoda, Ayaka, Tagoshi, Hideyuki, Takano, Satoru, Takeda, Hiroki, Tanaka, Takahiro, Yamada, Kei

“…Abstract LISA is a space gravitational-wave mission that will open the unexplored gravitational-wave frequency window at around millihertz, shedding light on…”
Get full text

Practice of Nagano Method Acupuncture Treatment by Nagano, Koji

Get full text

Automatic detection of proximity AE doublets for relative location of subsurface fracture reservoir by Nagano, Koji, Ehara, Daisuke

“…This paper describes the automatic detection of proximity acoustic emission (AE) doublets. Proximity AE doublets are microseismic data in which a second event…”
Get full text

Axion Dark Matter Search with Interferometric Gravitational Wave Detectors by Nagano, Koji, Fujita, Tomohiro, Michimura, Yuta, Obata, Ippei

“…Axion dark matter differentiates the phase velocities of the circular-polarized photons. In this Letter, a scheme to measure the phase difference by using a…”
Get full text

Quantum-enhanced optical phase-insensitive heterodyne detection beyond 3-dB noise penalty of image band by Anai, Keitaro, Enomoto, Yutaro, Omura, Hiroto, Nagano, Koji, Izumi, Kiwamu, Endo, Mamoru, Takeda, Shuntaro

“…Optical phase-insensitive heterodyne (beat-note) detection, which measures the relative phase of two beams at different frequencies through their interference,…”
Get full text

A pediatric case of an intravesical fungus ball after diabetic ketoacidosis by Yamamoto, Akiko, Komatsu, Nagisa, Nagano, Koji, Kawano, Tomoyasu, Hamada, Shinsuke

Get full text

A detection method of differences of polarization angles between three-component signals by Nagano, Koji

“…I describe a new method of detecting differences of polarization angles, azimuth and elevation angle, between two three‐component signals. The differences of…”
Get full text

Optimization of quantum noise by completing the square of multiple interferometer outputs in quantum locking for gravitational wave detectors by Yamada, Rika, Enomoto, Yutaro, Nishizawa, Atsushi, Nagano, Koji, Kuroyanagi, Sachiko, Kokeyama, Keiko, Komori, Kentaro, Michimura, Yuta, Naito, Takeo, Watanabe, Izumi, Morimoto, Taigen, Ando, Masaki, Furusawa, Akira, Kawamura, Seiji

“…•Quantum locking is an effective noise-reduction method.•This method could be employed by the space gravitational wave antenna DECIGO.•We invented a new method…”
Get full text

Ongoing impacts of childhood-onset glomerular diseases during young adulthood by Furuie, Keishiro, Kuraoka, Shohei, Ban, Hideki, Hidaka, Yuko, Nagata, Hiroko, Tamura, Hiroshi, Nagano, Koji, Kawano, Tomoyasu, Furuse, Akio, Nakazato, Hitoshi, Nakamura, Kimitoshi

“…Background Childhood-onset glomerular disease often requires ongoing treatment and follow-up into adulthood. However, few studies have analyzed the associated…”
Get full text

Reduction of quantum noise using the quantum locking with an optical spring for gravitational wave detectors by Yamada, Rika, Enomoto, Yutaro, Watanabe, Izumi, Nagano, Koji, Michimura, Yuta, Nishizawa, Atsushi, Komori, Kentaro, Naito, Takeo, Morimoto, Taigen, Iwaguchi, Shoki, Ishikawa, Tomohiro, Ando, Masaki, Furusawa, Akira, Kawamura, Seiji

“…•The quantum locking scheme is a promising method to reduce quantum noise.•We simulated an optical spring effect in the quantum locking scheme.•The simulation…”
Get full text

New method to measure the angular antispring effect in a Fabry–Perot cavity with remote excitation using radiation pressure by Nagano, Koji, Enomoto, Yutaro, Nakano, Masayuki, Furusawa, Akira, Kawamura, Seiji

“…In experiments with Fabry–Perot cavities consisting of suspended mirrors, an angular antispring effect on the mirror of the cavity is caused by radiation…”
Get full text

An assessment of spent nuclear fuel storage demands under uncertainty by Nagano, Koji

“…This paper attempts to draw quantitative prospects of spent nuclear fuel (SNF) management in Japan, with emphasis on uncertainty of storage needs for SNF up to…”
Get full text

Multimedia Processing Pricing Strategy in GPU-Accelerated Cloud Computing by Li, He, Ota, Kaoru, Dong, Mianxiong, Vasilakos, Athanasios V., Nagano, Koji

“…Graphics processing unit (GPU) accelerated processing performs significant efficiency in many multimedia applications. With the development of GPU cloud…”
Get full text