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Kolbe, M., Lushchyk, P., Petereit, B., Elmers, H. J., Schönhense, G., Oelsner, A., Tusche, C., Kirschner, J.

Highly efficient multichannel spin-polarization detection
Physical Review Letters 107, (20),pp 207601/1-5 (2011)
Since the original work by Mott, the low efficiency of electron spin polarimeters, remaining orders of magnitude behind optical polarimeters, has prohibited many fundamental experiments. Here we report a solution to this problem using a novel concept of multichannel spin-polarization analysis that provides a stunning increase in efficiency by 4 orders of magnitude. This improvement was demonstrated in a setup using a hemispherical electron energy analyzer. An imaging setup proved the principal capability of resolving more than 105 data points in parallel.