Magnetically controllable random laser in ferromagnetic nematic liquid crystals

Magnetically controllable random laser in ferromagnetic nematic liquid crystals

This paper first reports random laser action in dye-doped ferromagnetic nematic liquid crystals, which act as a randomly distributed cavity. The random laser intensity of the ferromagnetic nematic liquid crystals can be controlled by a weak magnetic field (∼1 mT). Moreover, the magnetic switching of...

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Veröffentlicht in:Optics express 2019-08, Vol.27 (17), p.24426-24433
Hauptverfasser: Naruta, Takuya, Akita, Takuya, Uchida, Yoshiaki, Lisjak, Darja, Mertelj, Alenka, Nishiyama, Norikazu
Format: Artikel
Sprache:eng
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Zusammenfassung:This paper first reports random laser action in dye-doped ferromagnetic nematic liquid crystals, which act as a randomly distributed cavity. The random laser intensity of the ferromagnetic nematic liquid crystals can be controlled by a weak magnetic field (∼1 mT). Moreover, the magnetic switching of random laser is attributed to the direction and polarization dependent emission of light in the ferromagnetic nematic liquid crystals in an external magnetic field.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.27.024426