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- Title
All-fiber high-power monolithic femtosecond laser at 1.59 µm with 63-fs pulse width.
- Authors
Hekmat, M. J.; Omoomi, M.; Gholami, A.; Yazdabadi, A. Bagheri; Abdollahi, M.; Hamidnejad, E.; Ebrahimi, A.; Normohamadi, H.
- Abstract
In this research, by adopting an alternative novel approach to ultra-short giant pulse generation which basically originated from difficulties with traditional employed methods, an optimized Er/Yb co-doped double-clad fiber amplifier is applied to boost output average power of single-mode output pulses to a high level of 2-W at 1.59-µm central wavelength. Output pulses of approximately 63-fs pulse width at 52-MHz repetition rate are obtained in an all-fiber monolithic laser configuration. The idea of employing parabolic pulse amplification for stretching output pulses together with high-power pulse amplification using Er/Yb co-doped active fibers for compressing and boosting output average power plays crucial role in obtaining desired results. The proposed configuration enjoys massive advantages over previously reported literature which make it well-suited for high-power precision applications such as medical surgery. Detailed dynamics of pulse stretching and compressing in active fibers with different GVD parameters are numerically and experimentally investigated.
- Subjects
FEMTOSECOND lasers; PULSE width modulation; PULSE generators; WAVELENGTHS; FIBER lasers; OPTICAL fiber amplifiers
- Publication
Applied Physics B: Lasers & Optics, 2018, Vol 124, Issue 1, p1
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-017-6874-9