Ziyan Li, Wenxi Pei, Hao Li, Wei Huang, Xuanxi Li, Zefeng Wang, Jinbao Chen. 2.15 μm All-Fiber Gas Raman Laser Source[J]. Acta Optica Sinica, 2023, 43(5): 0514003
- Acta Optica Sinica
- Vol. 43, Issue 5, 0514003 (2023)
Fig. 1. Experimental setup of 2.15 μm all-fiber gas Raman laser. (a) Configuration of system; (b) spectrum of seed laser; (c) transmittance spectrum of long-period fiber grating
Fig. 2. Experimental results. (a) Measured transmission loss spectrum of hollow core fiber; (b) microscopic view of cross-section of hollow-core fiber; (c) enlarged view of Splice 2
Fig. 3. Spectrum results. (a) Spectrum varying with pump power; (b) fine spectrum of pump laser; (c) fine spectrum of Raman laser with central wavelength of 2043.6 nm; (d) fine spectrum of Raman laser with central wavelength of 2147.1 nm
Fig. 4. Raman laser power, residual pump laser power and optical-to-optical conversion efficiency varying with coupled pump power. (a) Raman laser power; (b) residual pump laser power; (c) optical-to-optical conversion efficiency
Fig. 5. Power varying with coupled pump power under different pulse widths. (a) Raman laser; (b) residual pump laser
Fig. 6. Pulse train and pulse profile. (a)-(c) Pulse train; (d)-(f) pulse profile
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