Fig. 11: Generation of wavelength- and OAM-tunable pulsed VBs. | Light: Science & Applications

Fig. 11: Generation of wavelength- and OAM-tunable pulsed VBs.

From: Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities

Fig. 11

Generation methods of a room-temperature diode-pumped Er,Yb:glass microchip nanosecond laser182 (a), picosecond-level VBs in a self-mode-locked Nd:YVO4 laser187 (b), and femtosecond VBs in an SESAM mode-locking laser193 (c). a ©(2019) IEEE. Reprinted, with permission, from ref. 182. b Reprinted with permission from ref. 187, OSA Publishing. c From ref. 193. Reproduced by permission of IOP Publishing

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