Linear polarization Yb3+-doped fiber laser with novel innerclad structures

F. Martinez-Pinon, J.A. Alvarez-Chavez*, D. Jaramillo-Vigueras, L. de la Cruz-May, H.L. Offerhaus

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Results on high radiance Yb3+-doped fiber lasers with novel double innerclad structures (double-D clad and four hole) and polarized output at ≈1090 nm are presented. We have demonstrated >40% of the total output power being polarized, making the fiber laser suitable for LIDAR and second-harmonic generation (SHG) applications. It also showed a 10-nm tuning range with low (less than 10 mW) average power variations. The narrow linewidth source was pumped with a low cost, low brightness laser diode, and exhibited a relatively low slope efficiency, which gives room for improvement by using a 976-nm pump source where Yb3+ has a narrower linewidth and at least five times higher absorption.

Original languageEnglish
Pages (from-to)1340-1343
Number of pages4
JournalLaser physics
Issue number11
Publication statusPublished - 12 Nov 2008


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