We report on an analyzer for elliptically polarized Lyman-α radiation (λ=121.6 nm) which has a high transmission (14%) and can be used in ultrahigh vacuum. The analyzer consists of a pile of four MgF2 plates and a MgF2 quarter-wave plate for Lyman-α light. We discuss examples for the application of this device by measurements of polarized Lyman-α light emitted after ion-atom and ion-surface collisions.
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Winter et al. (1987) studied this question.
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