Highly segmented large-area hybrid photodiodes with bialkali photocathodes and enclosed VLSI readout electronics

We report on the principles, design, fabrication, and operation of a highly segmented, large-area hybrid photodiode, which is being developed in the framework of the LHCb RICH project. The device consists of a cylindrical, 127 mm diameter vacuum envelope capped with a spherical borosilicate UV-glass...

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Detalles Bibliográficos
Autores principales: Braem, André, Chesi, Enrico Guido, Filthaut, Frank, Go, A, Joram, C, Weilhammer, Peter, Wicht, P, Dulinski, W, Séguinot, Jacques, Wenzel, H, Ypsilantis, Thomas
Lenguaje:eng
Publicado: 1999
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/426219
Descripción
Sumario:We report on the principles, design, fabrication, and operation of a highly segmented, large-area hybrid photodiode, which is being developed in the framework of the LHCb RICH project. The device consists of a cylindrical, 127 mm diameter vacuum envelope capped with a spherical borosilicate UV-glass entrance window, with an active-to-total-area fraction of 81A fountain-focusing electron optics is used to demagnify the image onto a 50 mm diameter silicon sensor, containing 2048 pads of size 1*1 mm/sup 2/. (10 refs).

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