Arturo Barcelo-Chong, Brian Estrada-Portillo, Arturo Canales-Benavides, Servando Lopez-Aguayo. Asymmetric Mathieu beams[J]. Chinese Optics Letters, 2018, 16(12): 122601
- Chinese Optics Letters
- Vol. 16, Issue 12, 122601 (2018)
Fig. 1. Intensity of AM beams for the case of a fourth-order q = 1 β π / 4 π / 2 2 π / 3 q = 2 β π / 4 π / 2 2 π / 3
Fig. 2. Phase distribution of AM beams, where (a), (c), and (e) are fourth order with ellipticity parameter q = 1 β π / 4 π / 2 2 π / 3 q = 2 β π / 4 π / 2 2 π / 3
Fig. 3. Intensity of AM beams. (a) q = 0.01 q = 2 q = 5 q = 15 α = 0 α = 0.1 α = 0.5 α = 1
Fig. 4. Intensity of asymmetric Gaussian–Mathieu beams with the following parameters: (a) q = 0.01 q = 2 q = 5 q = 15 α = 0 α = 0.1 α = 0.5 α = 1
Fig. 5. Experimental setup. From left to right: He–Ne laser at 633 nm, 12 mW; BE, beam expander, 10×; SLM, spatial light modulator, LC2002; L1 and L2, lenses; D, diaphragm; CCD, Thorlabs CCD.
Fig. 6. Experimental fourth-order AM beam obtained with parameters (a) α = 1 α = 1.67 α = 5 α = 1.14 α = 1.19 α = 1.25 5 mm × 3 mm x – z
Fig. 7. Power of asymmetric Gaussian–Mathieu beams as a function of the α q
Fig. 8. OAM of asymmetric Gaussian–Mathieu beams as a function of the α q
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