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Direct Generation of Subnanosecond Ince–Gaussian Modes in Microchip Laser
2015
IEEE Photonics Journal
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In this paper, a new method is used to direct generate Ince-Gaussian (IG) modes from a pulsed solid-state microchip laser. By moving a circular aperture horizontally, the gain size in the laser medium is adjusted, and different IG laser modes are obtained successively. The output laser possesses a stable pulse duration of 500-600 ps; at the same time, the repetition frequency varies between 7 and 16 kHz. To our knowledge, this is the first time that IG modes are obtained in the subnanosecond
doi:10.1109/jphot.2015.2396905
fatcat:sc5nkbldsrds3g5sc3jmtkruey