Guanxin Yan, Yongqin Hao. High-Beam-Quality High-Power Vertical-Cavity Surface-Emitting Laser[J]. Chinese Journal of Lasers, 2024, 51(8): 0801001
- Chinese Journal of Lasers
- Vol. 51, Issue 8, 0801001 (2024)
Fig. 1. VCSEL light field intensity distribution. (a) Aperture of 15 μm; (b) aperture of 300 μm
Fig. 2. Schematics of VCSEL structures. (a) Traditional structure; (b) multi-ring cavity structure
Fig. 3. Light field distributions of multi-ring cavity VCSELs with different
Fig. 4. VCSEL preparation process
Fig. 5. Near-field test results of multi-ring cavity VCSELs with different
Fig. 6. Far-field distribution and spectrum of novel structure VCSEL. (a) Far-field distribution; (b) spectrum
Fig. 7. Beam radius versus beam propagation distance
Fig. 8. P-I curves of VCSELs with different structures
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