Zhengdong Fan, Hangyu Peng, Jun Zhang, Jingbo Wang, Jiye Zhang, Lijun Wang. 650 nm semiconductor laser based on external cavity spectral combination[J]. Infrared and Laser Engineering, 2023, 52(11): 20230198

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- Infrared and Laser Engineering
- Vol. 52, Issue 11, 20230198 (2023)

Fig. 1. Schematic diagram of spectral beam combining structure

Fig. 2. Laser characteristics before spectrum combining. (a) Free lasing spectrum before wavelength locking; (b) Optical field distribution before wavelength locking

Fig. 3. Laser characteristics after spectral combination. (a) Laser spectrum after spectral combination; (b) Light field distribution after spectrum combining

Fig. 4. Power curve and E-O conversion efficiency curve of free running and spectral combining

Fig. 5. Linear fitting of beam diameter

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