Hard-vacuum pyroelectric vidicon: suitable materials

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Hard-vacuum pyroelectric vidicon: suitable materials

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Published

A new mode of operation of the pyroelectric Vidicon is reported. This mode does not require a soft vacuum and the tube is operated hard. Requirements for suitable pyroelectric materials are discussed and the results of experiments operating in this mode are presented.

Inspec keywords: pyroelectricity; television camera tubes; infrared imaging

Other keywords: IR imaging; pyroelectric materials; hard vacuum vidicon

Subjects: Electron beam scanned tubes

References

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      • E.H. Putley , R. Watton , W.M. Wreathall , S.D. Savage . Thermal imaging with pyroelectric television tubes. Adv. EEP , 285 - 292
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      • J. Dresner . The high-beam-velocity Vidicon. RCA Rev. , 305 - 324
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      • Watton, R., Jones, G.R., Smith, C.: `Pyroelectric materials for operation in a hard vacuum pyroelectric Vidicon', 6th symposium on photoelectric image devices, Imperial College, , (to be published in Adv. EEP).
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      • R.M. Logan , R. Watton . Analysis of cathode potential stabilisation of the pyroelectric Vidicon. Infrared Phys. , 17 - 28
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