Crosstalk properties of the CMS HCAL hybrid photodiode

P. Cushman, A. H. Heering, N. Pearson, J. Elias, J. Freeman, D. Green, S. Los, A. Ronzhin

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


The requirements of large dynamic range, 40 MHz readout and 4T magnetic field of the CMS Hadronic calorimeter have led to the development of a custom Hybrid PhotoDiode (HPD). In the last 5 years many improvements have been made in cooperation with DEP B.V. Delft Electronische Producten, Roden, Netherlands. and Canberra Canberra Semiconductor N.V., Olen, Belgium. to the basic HPD concept to improve the performance. A 200-μm thick 19-channel PIN diode array with various surface treatments has been developed to ensure fast pulse behavior and low optical and capacitive crosstalk.

Original languageEnglish (US)
Pages (from-to)62-69
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-3
StatePublished - May 21 2003
EventProceedings of the 3rd International Conference on New Development - Beaune, France
Duration: Jun 17 2002Jun 21 2002

Bibliographical note

Funding Information:
This work was supported in part by the US Department of Energy under Grant DOE/DE-FG02-94ER40823.


  • Backscatter
  • Crosstalk
  • HPD


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