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Demonstrating a Rewritable Digital Laser

Sandile Ngcobo, Igor Litvin, Liesl Burger, and Andrew Forbes

Open Access Open Access

Abstract

We have demonstrated a digital laser comprising an intra-cavity spatial light modulator as a digitally addressed rewritable mirror. The output mode of the laser is selected by a gray-scale image, without any laser realignment or specialized optics. We have demonstrated the power of the digital laser by playing a movie inside of it and observing a real-time change in the output beam shape. Customized laser modes may now be selected on-the-fly with a commercially available device and no specialized optics.

© 2013 Optical Society of America

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