Wang Lei, Yang Guangye, Ren Jinping, Luo Huanbo, Li Lu. Spectral Compression of Super-Gaussian Pulse by Dual Cosinoidal Phase Modulation[J]. Acta Optica Sinica, 2018, 38(3): 319001
- Acta Optica Sinica
- Vol. 38, Issue 3, 319001 (2018)
Fig. 1. (a) Evolution of spectral intensity with distance; (b) spectral intensity profiles at the entrance and the different propagation distances
Fig. 2. (a) FWHM spectral compression factor; (b) RMS spectral compression factor; (c) Strehl ratio
Fig. 3. Temporal phase profiles at the different propagation distances. (a) Z1; (b) Z2; (c) Z3
Fig. 4. (a) Distribution of the modulation phases ΦC1 and ΦC2; (b) distribution of the dual cosine modulation phase ΦC; (c) distribution of the compensated phase at the propagation distance Z3
Fig. 5. (a) Evolution of spectral intensity with distance after phase correction; (b) spectral intensity profiles at the entrance and different propagation distances after phase correction
Fig. 6. Evolutions of the amplitudes and frequencies of the modulation phases ΦC1 and ΦC2 with distance. (a) Evolutions of the amplitudes a1 and a2; (b) evolutions of the frequencies ν1 and ν2
Fig. 7. Variation of parameter with distance after phase correction. (a) FWHM spectral compression factor; (b) RMS spectral compression factor; (c) Strehl ratio
Fig. 8. Evolution of Strehl ratio with stretching factor and the propagation distance. (a) Without phase correction; (b) with phase correction
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