Abstract

We present a new approach of generating the several wavelengths required for color holography with coherence lengths in the range of several meters. Our proposed laser system consists of an argon-ion laser, which is equipped with broadband optics. Its main lasing lines include 457, 488, and 514 nm. Sufficient coherence length is achieved by means of an intracavity etalon. We report single-frequency operation at several competing wavelengths and the successful recording of multicolor holograms with the described laser system.

© 2005 Optical Society of America

Programmable color tuning of a multiline laser by means of a twisted nematic liquid crystal display

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