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首页> 外文会议>Conference on ground-based and airborne instrumentation for astronomy IV >Improved red sensitivity deep depletion e2v devices for the Gemini North GMOS instrument
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Improved red sensitivity deep depletion e2v devices for the Gemini North GMOS instrument

机译：用于双子座北GMOS仪器的改进的红色灵敏度深度耗尽e2v器件

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The GMOS-N instrument was upgraded with new CCDs in October 2011, improving the instrument sensitivity at both red and blue wavelengths. The deep depletion devices are manufactured by e2v (42-90 with multi-layer 3 coating) and extend the useful wavelength range of GMOS-N to 0.98 microns (compared to 0.94 microns previously). These detectors also exhibit much lower fringing than the original EEV detectors that had been in use since GMOS-N was commissioned in 2002. All other characteristics of the new detectors (readout speed, pixel size and format, detector controller, noise, gain) are similar to the original CCDs. Operating the new detectors in all amps mode (2 per CCD) has effectively improved the readout speed by a factor of 2. The new devices were selected to provide a quick and relatively simply upgrade route while technical issues with the Hamamatsu devices, originally planned for the upgrade, were investigated and resolved. We discuss the rationale for this interim upgrade, the upgrade process and attending issues. The new detectors have been used for science since November 2011. We present commissioning results illustrating the resulting gain in sensitivity over the original detector package. Gemini is still committed to installing Hamamatsu devices, which will further extend the useful wavelength range of GMOS to 1.03 microns, in both North and South GMOS instruments. We discuss the status of the Hamamatsu project and the current planned schedule for these future upgrades.© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
机译：GMOS-N仪器于2011年10月升级为新的CCD，从而提高了红色和蓝色波长的仪器灵敏度。深度耗尽器件由e2v（具有多层3涂层的42-90）制造，并将GMOS-N的有用波长范围扩展到0.98微米（之前为0.94微米）。这些探测器的边缘也比自2002年GMOS-N投入使用以来一直使用的原始EEV探测器低得多。新探测器的所有其他特征（读出速度，像素大小和格式，探测器控制器，噪声，增益）都达到了。与原始CCD相似。在所有安培模式下运行新的探测器（每个CCD 2个）有效地将读取速度提高了2倍。新设备的选择是为了提供一种快速且相对简单的升级途径，而滨松设备的技术问题原本计划用于升级，已被调查并解决。我们讨论了此临时升级的理由，升级过程和相关问题。自2011年11月起，新的探测器就开始用于科学领域。我们提供的调试结果表明，与原始探测器相比，灵敏度得到了提高。 Gemini仍然致力于安装Hamamatsu器件，这将进一步在北部和南部GMOS仪器中将GMOS的有用波长范围扩展到1.03微米。我们将讨论Hamamatsu项目的状态以及这些未来升级的当前计划时间表。©（2012）COPYRIGHT光电仪器工程师协会（SPIE）。摘要的下载仅允许个人使用。

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