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What is the benefit of cooling the CCD camera?

April 26, 2017benefit camera CCD cooling

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What is the benefit of cooling the CCD camera?

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To reduce the dark noise in the CCD. The dark noise refers to the charges in CCD pixels when there is no electron striking the CCD scintillator. The dark noise is generated by a thermal process. Reducing the dark noise can effectively extend the dynamic range of the CCD camera.