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A Simple, Picojoule Sensitive Ultraviolet Autocorrelator Based on Two-Photon Conductivity in Sapphire

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Abstract

We present a simple autocorrelator for picojoule 226–278 nm pulses from femtosecond-picosecond laser oscillators based on two-photon conductivity in sapphire. The sub-20 W peak power sensitivity is over 10X better than previous UV autocorrelators.

© 2017 Optical Society of America

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