Yang Yu, Jiawen Xiao, Xianqing Zang, Yusong Jiao, Chunqing Gao. Orthogonally Polarized Dual-Frequency Er ∶ YAG Laser (Invited)[J]. Acta Optica Sinica (Online), 2025, 2(4): 0406001
- Acta Optica Sinica (Online)
- Vol. 2, Issue 4, 0406001 (2025)
Fig. 1. Schematic of orthogonally polarized dual-frequency Er ∶ YAG laser resonantly pumped by a 1532 nm fiber laser
Fig. 2. Calculated beam radius of laser along optical axis in the resonator
Fig. 3. Calculated transmittance curves for FP1 and FP2 and measured fluorescence spectrum of Er∶YAG
Fig. 4. Output power of Er∶YAG laser at 1645 nm and 1617 nm versus incident pump power
Fig. 5. Output longitudinal mode spectra of Er ∶ YAG laser. (a) P-polarization light at 1617 nm; (b) S-polarization light at 1645 nm; (c) orthogonally polarized dual-frequency light at 1617 nm and 1645 nm
Fig. 6. Measured M2-factors of Er∶YAG laser. (a) 1617 nm light; (b) 1645 nm light
Fig. 7. Measured spectrum of Er∶YAG laser
Fig. 8. Measured fluctuations of the wavelength of Er∶YAG laser. (a) 1617 nm; (b) 1645 nm
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