Van de Graaf-based 13.5 nm inverse-Compton light source

John M. J. Madey; Luis R. Elias; Eric B. Szarmes

doi:10.1117/1.JMM.11.2.021120

28 June 2012 Van de Graaf-based 13.5 nm inverse-Compton light source

John M. J. Madey, Luis R. Elias, Eric B. Szarmes

Journal of Micro/Nanolithography, MEMS, and MOEMS, Vol. 11, Issue 2, 021120 (June 2012). https://doi.org/10.1117/1.JMM.11.2.021120

Abstract

We review the factors governing the performance of inverse-Compton light sources in the extreme-ultraviolet (EUV) region. While the use of an optical storage cavity and the minimization of the laser pump focal spot area remain critical to the optimization of power and brightness in the EUV, the appearance of a strong space charge forces at the low electron energies required for operation in the EUV sets an independent lower limit to the focal spot area, and therefore an upper limit to source power and brightness. These limitations are at least partially compensated by the very high average electron currents realizable at these lower electron energies. Based on these considerations, we describe the design and estimated performance of an EUV inverse-Compton scattering light source optimized for average power output and brightness consistent with the limits imposed by the capabilities of existing materials, laser pumps, and radio frequency power sources.

Citation Download Citation

John M. J. Madey, Luis R. Elias, and Eric B. Szarmes "Van de Graaf-based 13.5 nm inverse-Compton light source," Journal of Micro/Nanolithography, MEMS, and MOEMS 11(2), 021120 (28 June 2012). https://doi.org/10.1117/1.JMM.11.2.021120

Published: 28 June 2012

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