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Optical parametric oscillation in random polycrystalline χ(2) medium

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Abstract

We demonstrate the first OPO based on random phase matching. The OPO was based on ZnSe ceramic pumped by 62-fs, λ=2.35-µm Cr:ZnS laser pulses, had 90-mW pump threshold and produced an ultra-broad spectrum spanning 3-7.5 µm.

© 2018 The Author(s)

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