Study on transient noise of CCD camera induced by &#947;-ray

Bao-jun Duan; Dong-wei Hei; Gu-zhou Song; Ji-ming Ma; Zhan-hong Zhang; Chang-cai Han; Yan Song; Ming Zhou; Lan Lei

doi:10.1117/12.901769

18 August 2011 Study on transient noise of CCD camera induced by γ-ray

Bao-jun Duan, Dong-wei Hei, Gu-zhou Song, Ji-ming Ma, Zhan-hong Zhang, Chang-cai Han, Yan Song, Ming Zhou, Lan Lei

Proceedings Volume 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications; 81943D (2011) https://doi.org/10.1117/12.901769
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

In this paper, based on the mechanism of CCD camera, an event-based simulation method of γ-ray-induced transient noise was developed, which applying MCNP5 Code based on Monte Carlo methods. On the mono-energy γ-ray sources, the transient noises of two different CCD cameras have been measured at different doses (from 0.001mR to 1mR) and different incidence angles. The ⁶⁰Co and ¹³⁷Cs were used as the mono-energy γ-ray sources, and the Compton Scattering technique were adopted to get lower energy γ-ray sources. In order to get the pure transient noise induced by γ-ray, a method was advanced for extracting the transient noise from the image mixed the background noise. And the transient noise was characterized, including the number of noise clusters, the noise intensity spectrum and the size spectrum of noise clusters. The variation characteristics of noise have been draw from the simulation and experiment, which induced by γ-rays of different dose, or different energy or different incidence angle.

Citation Download Citation

Bao-jun Duan, Dong-wei Hei, Gu-zhou Song, Ji-ming Ma, Zhan-hong Zhang, Chang-cai Han, Yan Song, Ming Zhou, and Lan Lei "Study on transient noise of CCD camera induced by γ-ray", Proc. SPIE 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, 81943D (18 August 2011); https://doi.org/10.1117/12.901769

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