Search Results - "TAKEHARA, Kohsei"

von Kármán vortex street within an impacting drop by Thoraval, Marie-Jean, Takehara, Kohsei, Etoh, Takeharu Goji, Popinet, Stéphane, Ray, Pascal, Josserand, Christophe, Zaleski, Stéphane, Thoroddsen, Sigurdur T

“…The splashing of a drop impacting onto a liquid pool produces a range of different sized microdroplets. At high impact velocities, the most significant source…”
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Toward the Ultimate-High-Speed Image Sensor: From 10 ns to 50 ps by Nguyen, Anh Quang, Dao, Vu Truong Son, Shimonomura, Kazuhiro, Takehara, Kohsei, Etoh, Takeharu Goji

“…The paper summarizes the evolution of the Backside-Illuminated Multi-Collection-Gate (BSI MCG) image sensors from the proposed fundamental structure to the…”
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Light-In-Flight Imaging by a Silicon Image Sensor: Toward the Theoretical Highest Frame Rate by Etoh, Takeharu Goji, Okinaka, Tomoo, Takano, Yasuhide, Takehara, Kohsei, Nakano, Hitoshi, Shimonomura, Kazuhiro, Ando, Taeko, Ngo, Nguyen, Kamakura, Yoshinari, Dao, Vu Truon Son, Nguyen, Anh Quang, Charbon, Edoardo, Zhang, Chao, De Moor, Piet, Goetschalckx, Paul, Haspeslagh, Luc

“…Light in flight was captured by a single shot of a newly developed backside-illuminated multi-collection-gate image sensor at a frame interval of 10 ns without…”
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Toward the Super Temporal Resolution Image Sensor with a Germanium Photodiode for Visible Light by Ngo, Nguyen Hoai, Nguyen, Anh Quang, Bufler, Fabian M., Kamakura, Yoshinari, Mutoh, Hideki, Shimura, Takayoshi, Hosoi, Takuji, Watanabe, Heiji, Matagne, Philippe, Shimonomura, Kazuhiro, Takehara, Kohsei, Charbon, Edoardo, Etoh, Takeharu Goji

“…The theoretical temporal resolution limit tT of a silicon photodiode (Si PD) is 11.1 ps. We call “super temporal resolution” the temporal resolution that is…”
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A Pixel Design of a Branching Ultra-Highspeed Image Sensor by Ngo, Nguyen Hoai, Shimonomura, Kazuhiro, Ando, Taeko, Shimura, Takayoshi, Watanabe, Heiji, Takehara, Kohsei, Nguyen, Anh Quang, Charbon, Edoardo, Etoh, Takeharu Goji

“…A burst image sensor named Hanabi, meaning fireworks in Japanese, includes a branching CCD and multiple CMOS readout circuits. The sensor is…”
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An Image Signal Accumulation Multi-Collection-Gate Image Sensor Operating at 25 Mfps with 32 × 32 Pixels and 1220 In-Pixel Frame Memory by Dao, Vu Truong Son, Ngo, Nguyen, Nguyen, Anh Quang, Morimoto, Kazuhiro, Shimonomura, Kazuhiro, Goetschalckx, Paul, Haspeslagh, Luc, De Moor, Piet, Takehara, Kohsei, Etoh, Takeharu Goji

“…The paper presents an ultra-high-speed image sensor for motion pictures of reproducible events emitting very weak light. The sensor is backside-illuminated…”
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Toward 100 Mega-frames per second: design of an ultimate ultra-high-speed image sensor by Dao, Vu Truong Son, Etoh, Takeharu Goji, Tanaka, Masatoshi, Nguyen, Hoang Dung, Cuong, Vo Le, Takehara, Kohsei, Akino, Toshiro, Nishi, Kenji, Aoki, Hitoshi, Nakai, Junichi

“…Our experience in the design of an ultra-high speed image sensor targeting the theoretical maximum frame rate is summarized. The imager is the backside…”
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High-speed thermal imaging of yttria-stabilized zirconia droplet impinging on substrate in plasma spraying by Shinoda, Kentaro, Murakami, Hideyuki, Kuroda, Seiji, Oki, Sachio, Takehara, Kohsei, Etoh, Takeharu Goji

“…The authors have developed an in situ monitoring system that captures the impacting phenomena of plasma-sprayed particles at 1 × 10 6 frames ∕ s . The system…”
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Imaging with an ultra-high-speed video camera operating at 20 Mfps for 300 kpixels by NGUYEN, Hoang Dung, OKINAKA, Tomoo, TAKANO, Yasuhide, TAKEHARA, Kohsei, DAO, Vu Truong Son, ETOH, Takeharu Goji

“…An image sensor with 300 kpixels operating at 20 Mfps is developed. Pixels on odd-number and even-number columns can be independently operated. The highest…”
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In Situ Visualization of Impacting Phenomena of Plasma-Sprayed Zirconia: From Single Splat to Coating Formation by Shinoda, Kentaro, Murakami, Hideyuki, Kuroda, Seiji, Takehara, Kohsei, Oki, Sachio

“…The authors have developed an in situ monitoring system for particle impacts under atmospheric dc plasma spraying conditions. This system utilized a high-speed…”
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Time-resolved visualization of shock–vortex systems emitted from an open shock tube by Kleine, Harald, Vo Le, Cuong, Takehara, Kohsei, Etoh, T. Goji

“…When a shock wave leaves an open-ended shock tube, it generates a vortex ring that subsequently detaches from the shock tube and follows the expanding shock…”
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Drafting behaviors in fish induced by a local pressure drop around a hydrofoil model by Eguchi, Go, Takagi, Tsutomu, Torisawa, Shinsuke, Takehara, Kohsei

“…•Fish drafting with a structure is induced by a suction force caused by low pressure.•Pressure drop near the hydrofoil counteracts the anterior–posterior force…”
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Phototriggering system for an ultrahigh-speed video microscopy by Karimov, Pavel, Vo Le, Cuong, Takehara, Kohsei, Yokoi, Sayoko, Etoh, Takeharu Goji, Saitoh, Yoshiharu

“…A phototrigger system is developed as a part of a video microscope mounting an ultrahigh-speed video camera capable of image capturing at frame rates as high…”
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Particle Tracking Techniques for Electrokinetic Microchannel Flows by Devasenathipathy, Shankar, Santiago, Juan G, Takehara, Kohsei

“…We have applied particle tracking techniques to obtain spatially resolved velocity measurements in electrokinetic flow devices. Both micrometer-resolution…”
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In Situ Visualization of Impacting Phenomena of Plasma-Sprayed Zirconia : From Single Splat to Coating Formation: Selected and Expanded Papers from the 2008 International Thermal Spray Conference by SHINODA, Kentaro, MURAKAMI, Hideyuki, KURODA, Seiji, TAKEHARA, Kohsei, OKI, Sachio

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A 16 Mfps 165kpixel backside-illuminated CCD by Etoh, T G, Nguyen, D H, Dao, S V T, Vo, C L, Tanaka, M, Takehara, K, Okinaka, T, van Kuijk, H, Klaassens, W, Bosiers, J, Lesser, M, Ouellette, D, Maruyama, H, Hayashida, T, Arai, T

“…In 2002, we reported a CCD image sensor with 260x312 pixels capable of capturing 103 consecutive images at 1,000,000 frames per second (1Mfps). We named the…”
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Application-specific arithmetic circuit design for a particle tracking application by Kambe, T., Takehara, K., Tsukiyama, S.

“…The main bottleneck in system LSI performance is, in many cases, the processing overhead that occurs when arithmetic calculations are performed multiple times…”
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Bubble Chandeliers by Thoroddsen, Sigurdur T, Thoraval, Marie-Jean, Takehara, Kohsei, Etoh, Takeharu Goji

“…When a drop impacts at very low velocity onto a pool surface it is cushioned by a thin layer of air, which can be stretched into a hemispheric shape. We use…”
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Bubble Rings Entrapment by Thoraval, Marie-Jean, Thoroddsen, Sigurdur T, Takehara, Kohsei, Etoh, Takeharu Goji

“…We show how micro-bubble rings are entrapped under a drop impacting onto a pool surface. This fluid dynamics video is submitted to the APS DFD Gallery of Fluid…”
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Von K\'arm\'an Vortex Street within an Impacting Drop by Thoraval, Marie-Jean, Takehara, Kohsei, Etoh, Takeharu Goji, Popinet, Stephane, Ray, Pascal, Josserand, Christophe, Zaleski, Stephane, Thoroddsen, Sigurdur

“…Phys. Rev. Lett. 108, 264506 (2012) The splashing of a drop impacting onto a liquid pool produces a range of different sized micro-droplets. At high impact…”
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