Self-sweeping Yb-doped fiber laser generating ultra-long single-frequency pulses

Roman V. Drobyshev; Nikita R Poddubrovskii; Ivan A. Lobach; Sergey I. Kablukov

doi:10.1117/12.2602718

9 October 2021 Self-sweeping Yb-doped fiber laser generating ultra-long single-frequency pulses

Roman V. Drobyshev, Nikita R Poddubrovskii, Ivan A. Lobach, Sergey I. Kablukov

Proceedings Volume 11890, Advanced Lasers, High-Power Lasers, and Applications XII; 118900Z (2021) https://doi.org/10.1117/12.2602718
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

In this work, a self-sweeping Yb-doped fiber laser generating quasi-CW radiation is demonstrated. The laser is based on a ring configuration allowing to form running and standing waves in separate sections of the cavity. The laser generates a sequence of single-frequency (linewidth of ~0.7 MHz) ultra long (~1 ms) rectangular pulses. The laser frequency changes from pulse to pulse by one inter-mode spacing (~10 MHz). The laser signal intensity is quasi-CW signal accompanied by regular bursts generating during frequency change, and the intensity never drops to zero. The features can be useful for long term averaging when measuring weak signals.

Conference Presentation

Citation Download Citation

Roman V. Drobyshev, Nikita R Poddubrovskii, Ivan A. Lobach, and Sergey I. Kablukov "Self-sweeping Yb-doped fiber laser generating ultra-long single-frequency pulses", Proc. SPIE 11890, Advanced Lasers, High-Power Lasers, and Applications XII, 118900Z (9 October 2021); https://doi.org/10.1117/12.2602718

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