An image sensor of 1,000,000 fps, 300,000 pixels, and 144 consecutive frames

Flow instability induced by spiked bodies

“…An earlier version, based on the commercially available monochrome high-speed camera HPV-1 built by Shimadzu, had already been applied in another preliminary set of tests which achieved the first MHz-range timeresolved color schlieren visualization of shock wave phenomena [10]. The main difference between the new prototype and the older one described in [5] is the considerably higher resolution (300 000 pixels as opposed to 80 000) and the larger number of frames (144 vs. 100) [3], [4]. Both instruments have in common an In-Situ Storage Image Sensor (ISIS) CCD chip [3], [4], [10] which allows one to achieve frame rates in the MHz range without sacrificing image resolution.…”

“…The main difference between the new prototype and the older one described in [5] is the considerably higher resolution (300 000 pixels as opposed to 80 000) and the larger number of frames (144 vs. 100) [3], [4]. Both instruments have in common an In-Situ Storage Image Sensor (ISIS) CCD chip [3], [4], [10] which allows one to achieve frame rates in the MHz range without sacrificing image resolution. The latter aspect is the main difference between these cameras and other commercially available high-speed video systems except for the (monochrome) Shimadzu HPV-1, which is also based on the ISIS sensor technology.…”

“…Thus the requirement for a continuation of the investigation was to find a camera that could take highresolution color images at higher frame rates. This eventually became possible by using a newly developed high-speed color video system, which could record 144 frames at full-frame resolution with frame rates up to 1 000 000 fps [3], [4].…”

An ultrahigh-speed color video camera operating at 1,000,000 fps with 288 frame memories

“…After the termination of the image-capturing operation, the image signals for 144 frames in the linear CCD storages are read out from the 300,000-pixel ultrahighspeed CCD. The main characteristics of the 300,000-pixel ultrahigh-speed CCD are listed in Table 1 4,5) . The frame rate, which depends on the transfer rate of the linear CCD storage, is up to 1,000,000 fps.…”

“…We previously developed an ultrahigh-speed color video camera 2, 3) with a 300,000-pixel ultrahigh-speed CCD 4,5) . The ultrahigh-speed CCD provides ultrahigh-speed operations and excellent sensitivity.…”