Mingxin LV, Yipeng ZHANG, Jianlang HE, Xiaopeng HU, Yong ZHANG. Research Progress of Vortex Beam Laser（Invited）[J]. Acta Photonica Sinica, 2022, 51(1): 0151105
- Acta Photonica Sinica
- Vol. 51, Issue 1, 0151105 (2022)
Fig. 1. Several generalized Poincaré sphere of SU（2）coherent state［18］
Fig. 2. The necessity of producing high purity vortex beam using active methods
Fig. 3. The experimental setup with a tilted etalon for laser output of an LG beam［30］
Fig. 4. The experiment of LG beam laser with a VWP［42］
Fig. 5. The experiment of the vortex-beam OPO［44］
Fig. 6. The experiment of OAM-mode-pumped doubly-resonant OPO［51］
Fig. 7. The experiment of fiber vortex laser with polarization rotation technique［57］
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