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Slicing the Universe CCDs for MUSE Roland Reiss a, Sebastian Deiries a, Jean Louis Lizon a, Manfred Meyer a, Javier Reyes a, Roland Bacon b, François Hénault.

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Presentation on theme: "Slicing the Universe CCDs for MUSE Roland Reiss a, Sebastian Deiries a, Jean Louis Lizon a, Manfred Meyer a, Javier Reyes a, Roland Bacon b, François Hénault."— Presentation transcript:

1 Slicing the Universe CCDs for MUSE Roland Reiss a, Sebastian Deiries a, Jean Louis Lizon a, Manfred Meyer a, Javier Reyes a, Roland Bacon b, François Hénault b, Magali Loupias b (a) European Southern Observatory (http://www.eso.org) Karl-Schwarzschild-Str. 2 D-85748 Garching by Munich, Germany (b) CRAL - Observatoire de Lyon, 9 avenue Charles André, 69230 Saint-Genis-Laval, Francehttp://www.eso.org

2 SDW 2005, TaorminaReiss et al., Slicing the Universe2 Slicing the Universe CCDs for MUSE MUSE (Multi Unit Spectral Explorer) is built by a consortium of European institutes (ESO, Göttingen, Leiden, Lyon, Toulouse, Zürich). 2 nd generation instrument for the VLT. Integral field spectrometer for the Nasmyth focus. 24 Integral Field Units (IFU). 24 cryostats with one 4k x 4k CCD attached to IFUs.

3 SDW 2005, TaorminaReiss et al., Slicing the Universe3 Compact CCD Head Low Frequency Pulse Tube Cooler. Standard head for future ESO instruments.

4 SDW 2005, TaorminaReiss et al., Slicing the Universe4 New General detector Controler (NGC) Cascode CCD Buffer Stage 2x gain of single buffer Differential output NGC configuration One board per detector

5 SDW 2005, TaorminaReiss et al., Slicing the Universe5 Detector Requirements ItemValueRemarks Detector format4096 x 4096 or 2x 2048 x 4096 Pixel size15 x 15 µm^2 QE 465 – 570 nm85% min; 90% goal QE 610 – 800 nm85% min; 90% goal QE 800 – 930 nm60% min; 70% goal Fringing< 10 %Peak-to-peak of avg. sensitivity Fringe stability< 1%Within 24 hours Flat field stability< 1%Per night Charge diffusion< 0.1 pixelFWHM equivalent gaussion convolution Surface flatness< 20 µm pp


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