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Demonstration of passively cooled high-power Yb fiber amplifier

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Date

2018

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Abstract

This work investigates the feasibility of passive cooling in high-power Yb amplifiers. Experimentally, an all-glass airclad step-index (ACSI) amplifier is diode-pumped with 400W and provides 200W power levels. With only natural convection to extract heat, core temperatures are estimated near 130°C with no degradation of performance relative to cooled architectures. Further, advanced analysis techniques allow for core temperature determination using thermal interferometry without the need for complicated stabilization or calibration.

Description

Keywords

amplifier, convection, fiber, heat, high-power, interferometry, passive, thermal, Yb

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733744717

Collections

DevOps Pure Testing

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Type

Conference contribution

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DOI

10.1117/12.2290243

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