Device for photon energy measurement and method thereof

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit

Reexamination Certificate

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C250S2140VT, C250S2140RC

Reexamination Certificate

active

07638745

ABSTRACT:
A device and method are presented for use in measuring photon energy. The device comprises at least one pixel unit (10) including a Photocathode (12) that emits electrons in response to absorbed photons; an Anode (14); and a control unit (19) operable for controlling an electric current from the Photocathode (12) to the Anode (14) so as to selectively prevent electrons' arrival to the Anode (14) to thereby scan a spectrum of photon energies incident on the Photocathode (12).

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R. Kadyshevitch and R. Naaman, “Electron Transmission Through Thin Organized Organic Films”,Surface and Interface Analysis, vol. 25 pp. 71-75, 1997.

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