Modeling of a microchannel plate working in pulsed mode

Aurelia Secroun; Alain Mens; Jacques Segre; Franck Assous; Emmanuel Piault; Jean-Claude Rebuffie

doi:10.1117/12.273379

28 May 1997 Modeling of a microchannel plate working in pulsed mode

Aurelia Secroun, Alain Mens, Jacques Segre, Franck Assous, Emmanuel Piault, Jean-Claude Rebuffie

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273379
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

MicroChannel Plates (MCPs) are used in high speed cinematography systems such as MCP framing cameras and streak camera readouts. In order to know the dynamic range or the signal to noise ratio that are available in these devices, a good knowledge of the performances of the MCP is essential. The point of interest of our simulation is the working mode of the microchannel plate--that is light pulsed mode--, in which the signal level is relatively high and its duration can be shorter than the time needed to replenish the wall of the channel, when other papers mainly studied night vision applications with weak continuous and nearly single electron input signal. Also our method allows the simulation of saturation phenomena due to the large number of electrons involved, whereas the discrete models previously used for simulating pulsed mode might not be properly adapted. Here are presented the choices made in modeling the microchannel, more specifically as for the physics laws, the secondary emission parameters and the 3D- geometry. In a last part first results are shown.

Citation Download Citation

Aurelia Secroun, Alain Mens, Jacques Segre, Franck Assous, Emmanuel Piault, and Jean-Claude Rebuffie "Modeling of a microchannel plate working in pulsed mode", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273379

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