Design of a very high frame rate camera based on an asynchronous CCD driving method

LI Bin-Kang; YANG Shao-Hua; GUO Ming-An; WANG Kui-Lu; XIA Jing-Tao; LUO Tong-Ding

doi:10.1088/1674-1137/35/6/012

Chinese Physics C> 2011, Vol. 35> Issue(6) : 572-575 DOI: 10.1088/1674-1137/35/6/012

Design of a very high frame rate camera based on an asynchronous CCD driving method

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A very high frame rate camera is designed based on an innovative CCD driving method. The CCD driving method is mainly implemented on frame transfer CCDs. Asynchronous drive timing sequences are applied in the image and storage section of the CCDs. Several rows of the charge in the image section are binned onto the same row in the storage section, and there are the same number of images to be stored in the storage section before they are read out. Based on the new driving method, the frame transfer CCDs can work at a very high frame rate in acquiring burst images though the reading speed remains at a lower level. A very high frame rate camera is designed in this paper. The innovative CCD driving method is mainly of concern. An e2v's CCD60 is adopted in the camera system, whose full size resolution is 128 × 128, and the up most frame rate is 1000 Hz in the conventional CCD driving method. By using the presented method, the CCD60 based imager is capable of operating at up to 40000 frames per second (fps) at a recognizable resolution of 128 × 32. Comparing cameras using traditional binning and region of interest technologies, the frame rate is normally less than 5000 fps while the resolution is only 32 × 32 left.

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LI Bin-Kang, YANG Shao-Hua, GUO Ming-An, WANG Kui-Lu, XIA Jing-Tao and LUO Tong-Ding. Design of a very high frame rate camera based on an asynchronous CCD driving method[J]. Chinese Physics C, 2011, 35(6): 572-575. doi: 10.1088/1674-1137/35/6/012

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Received: 2010-09-27
Revised: 2010-11-08

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沈阳化工大学材料科学与工程学院沈阳 110142

Design of a very high frame rate camera based on an asynchronous CCD driving method

Received Date: 2010-09-27
Accepted Date: 2010-11-08
Available Online: 2011-06-05

Abstract: A very high frame rate camera is designed based on an innovative CCD driving method. The CCD driving method is mainly implemented on frame transfer CCDs. Asynchronous drive timing sequences are applied in the image and storage section of the CCDs. Several rows of the charge in the image section are binned onto the same row in the storage section, and there are the same number of images to be stored in the storage section before they are read out. Based on the new driving method, the frame transfer CCDs can work at a very high frame rate in acquiring burst images though the reading speed remains at a lower level. A very high frame rate camera is designed in this paper. The innovative CCD driving method is mainly of concern. An e2v's CCD60 is adopted in the camera system, whose full size resolution is 128 × 128, and the up most frame rate is 1000 Hz in the conventional CCD driving method. By using the presented method, the CCD60 based imager is capable of operating at up to 40000 frames per second (fps) at a recognizable resolution of 128 × 32. Comparing cameras using traditional binning and region of interest technologies, the frame rate is normally less than 5000 fps while the resolution is only 32 × 32 left.