Improvement of Efficiency in 976 nm Fiber Amplifier by Spectral Filtering in Yb-Doped Fiber with Absorbing Rods Embedded in the Cladding

Improvement of Efficiency in 976 nm Fiber Amplifier by Spectral Filtering in Yb-Doped Fiber with Absorbing Rods Embedded in the Cladding

A novel Yb-doped fiber design for improved lasing near 976 nm based on spectral filtering of the amplified spontaneous emission near 1030 nm was realized and investigated. A very sharp short-pass filter was implemented by adding appropriately chosen high-index absorbing rods into the silica cladding...

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Bibliographic Details
Main Authors: Svetlana S. Aleshkina, Danila A. Davydov, Vladimir V. Velmiskin, Mikhail V. Yashkov, Andrey A. Umnikov, Sergey V. Alyshev, Liudmila D. Iskhakova, Mikhail M. Bubnov, Denis S. Lipatov, Mikhail E. Likhachev
Format: Article
Language:English
Published: MDPI AG 2024-01-01
Series:Photonics
Subjects:
spectral filtering
Yb-doped fiber amplifier
fiber optimization
976 nm fiber laser
Online Access:https://www.mdpi.com/2304-6732/11/1/89

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