Chinese Optics Letters, Volume. 13, Issue Suppl., S22602(2015)
Production of a broadband femtosecond optical vortex by use of a continuous spiral phase plate
Fig. 1. (a) Schematic of experiment setup and (b) 3D structure of the SPP.
Fig. 2. Spectrum of the femtosecond laser oscillator and main amplifier laser before compression.
Fig. 3. Intensity distribution of the optical vortex under the aperture with a diameter of 20 mm.
Fig. 4. Intensity distribution of the optical field by setting a cylindrical lens before the CCD.
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Yujing Han, Jinguang Wang, Jinglong Ma, Guoqian Liao, Yutong Li, Liming Chen, Jie Zhang, "Production of a broadband femtosecond optical vortex by use of a continuous spiral phase plate," Chin. Opt. Lett. 13, S22602 (2015)
Category: Physical Optics
Received: Mar. 30, 2015
Accepted: May. 10, 2015
Published Online: Aug. 8, 2018
The Author Email: Liming Chen (lmchen@iphy.ac.cn)