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Conferences > LS > 2021 > JW7A > JW7A.43

Optical Cooling of a Large Core Diameter Yb:SiO2 Fiber to 18K Below Ambient Temperature

Brian Topper, Mostafa Peysokhan, Alexander R. Albrecht, Angel S. Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, and Arash Mafi

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Abstract

We present record cooling of Yb:silica by 18.4(3)K in vacuum and 3.57(7)K in air in an optical fiber. The success is attributed to increased Yb concentration and decreased thermal load from a smaller cladding thickness.

© 2021 The Author(s)

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