Flash x-ray cineradiography with long persistent intensifying screens

Eun Soo Lee; Han Bok Yang; Yong Sung Jeon; Jong Won Park; So Young Song

doi:10.1117/12.273397

28 May 1997 Flash x-ray cineradiography with long persistent intensifying screens

Eun Soo Lee, Han Bok Yang, Yong Sung Jeon, Jong Won Park, So Young Song

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273397
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

In high speed x-ray cineradiography, recording individual image frames separately is as important as generating successive flash x-ray pulses. Some researchers resolved the problem by employing multiple pairs of source-camera configuration. In this arrangement each pair of source and camera produces one separate image. So fast decaying image intensifying screens must be used to avoid the overlaps of the images exposed by different sources. Fast decaying screens, however, are not either easily available commercially, nor manufacturable at laboratory. This study proposes a cineradiographic technique which utilizes a conventional long decaying high speed image intensifying screen. The images exposed successively on the screen by multiple flash x-ray sources are sequentially recorded by multiple single frame MCP cameras. The first frame is singly exposed, the second doubly, and so on. The multi-exposed images are reconstructed to a singly exposed one by subtracting the images in the previous frame which contains one less image. Static test results with two-channel configuration revealed that the maximum frame rate of 10⁵ fps could be attainable for shadow radiography.

Citation Download Citation

Eun Soo Lee, Han Bok Yang, Yong Sung Jeon, Jong Won Park, and So Young Song "Flash x-ray cineradiography with long persistent intensifying screens", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273397

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KEYWORDS

X-rays

Cameras

Microchannel plates

X-ray imaging

Radiography

Image intensifiers

Image quality

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