Xiaonan HU, Xinyuan FANG. Detection of fractional orbital angular momentum based on coordinate transformation[J]. Optical Instruments, 2023, 45(6): 52
- Optical Instruments
- Vol. 45, Issue 6, 52 (2023)
Fig. 1. Fractional OAM modes recognition concept map
Fig. 2. Sector conversion diagram of LG（l = 2）beam
Fig. 3. Logarithmic conversion diagram of LG（l = −2、3）coherent beams
Fig. 4. Logarithmic conversion diagram of LG（l =−2、3）beam under reverse design
Fig. 5. Coordinate transformation diagram under reverse design
Fig. 6. The intensity curve of the facula after the fractional OAM mode with two different mode intervals passes through the system
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