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Overcoming repetition rate limitations in liquid crystal laser systems

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Original languageEnglish
Pages (from-to)26544-26555
JournalOptics Express
Issue number20
Publication statusPublished - 26 Sep 2018


Liquid crystal lasers have advantageous features including continuous wavelength tuning at low cost. Although many potential applications have been highlighted, use of these lasers is not widespread, partially due to performance limitations. This paper presents a method of overcoming repetition rate limitations. A rapidly spinning stage is used to allow operation of a LC laser at 10 kHz: two orders of magnitude greater than possible with a static cell. Average power outputs of up to 3.5 mW are achieved along with an improvement in emission stability. Lastly, a mechanical wavelength-switching method is demonstrated. The spinning cell approach will enable research into the use of liquid crystal lasers in fluorescence imaging and display applications.

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