Cheng Ma, Jinliang Li, Xiao Chen, Dezheng Dai, Xiaoyuan Yu, Jie Sun, Jia Zhang, Genxiang Chen. High-Resolution Tunable Fiber Laser Based on Echelle Grating[J]. Acta Optica Sinica, 2019, 39(10): 1014001
- Acta Optica Sinica
- Vol. 39, Issue 10, 1014001 (2019)
Fig. 1. Working schematics of echelle grating. (a) Angle distribution; (b) off-axis angle γ
Fig. 2. Light path of cross dispersion based on diffraction grating and echelle grating
Fig. 3. Tunable fiber laser system based on echelle grating. (a) Structural diagram; (b) bulk optics light path
Fig. 4. Hologram uploaded onto DMD
Fig. 5. Typical signal of laser output
Fig. 6. 3 dB width of signal versus modulation pixel number on DMD in closed and open loops
Fig. 7. Wavelength tuning output signal from tunable fiber laser. (a) Coarse tuning; (b) fine tuning
Fig. 8. Wavelength and power stabilities of fiber laser
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