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Published byHester Nichols Modified over 6 years ago
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2003 TA1-SD Thin Films activities TFG service +
(André, Claude, Robert 08/2003) Mirrors: • CMS-HF: Prototyping + QA of ~100 m2 of reflective foils delivered by FEP • LHCb-RICH2: Simulation and test depositions of mirror coatings Refurbishment of 1m deposition plant installation in (Cesar) CsI Photocathodes: (Emile, Herbert and Xavier) • ALICE-HMPID: Coating of 4 full size PCs + 7 tests VUV scanner: Optimisation and exploitation • COMPASS: Coating of 6 PCs HPDs: • 10-Inch: First 10-inch HPD produced with bialkali photocathode • 5-Inch: Development of a new ceramic body with Indium seal at the entrance window • PET HPD: First ceramic prototype HPD produced for medical applications
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TA1-SD mirrors 2003 LHCb - RICH2: CMS - HF:
Substrate Cr adherence layer Al reflective layer low n layer high n layer Enhanced reflectance with 1 or 2 pairs of dielectric layers on Aluminium reflector LHCb - RICH2: 6mm glass substrate 1 pair Low n: SiO2 High n: HfO2 Spherical and flat mirrors CMS - HF: 150m polyester substrate 2 pairs Low n: SiO2 High n: Nb2O5 ~6 reflections inside tube PM Bundle of fibres
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TA1-SD CsI photocathodes 2003 (Emile, Herbert)
Commissioning and exploitation of VUV scanner Reference CsI PM PC Tests: • Substrate samples • Heat-treatment • Exposure to air and recovery • Resistivity measurements
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TA1-SD CsI photocathodes 2003 (Emile, Herbert)
Tests on heat-treatment and exposure to air
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TA1-SD Thin Films programme 2004
(André, Claude, Miranda 60%?) Continuation of TFG service + Completion and commissioning of the 1m deposition plant Production of 100 mirrors for LHCb-RICH2 Production of ~50 CsI large area photocathode modules Support for HPD activities Refurbishment of mechanical workshop Study of a possible anti-reflective coating on the quartz window of LHCb-RICH2
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