597 research outputs found

    An Electro - Optical Test System for Optimising Operating Conditions of CCD sensors for LSST

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    We describe the commissioning of a system which has been built to investigate optimal operation of CCDs for the LSST telescope. The test system is designed for low vibration, high stability operation and is capable of illuminating a detector in flat-field, projected spot, projected pattern and Fe-55 configurations. We compare and describe some considerations when choosing a gain calibration method for CCDs which exhibit the brighter-fatter effect. An optimisation study on a prototype device of gain and full well with varying back substrate bias and gate clock levels is presented

    Measurement of the two gamma decays of neutral K-mesons

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    SIGLEAvailable from British Library Document Supply Centre- DSC:D71710/87 / BLDSC - British Library Document Supply CentreGBUnited Kingdo