Optical Power Limiter for Charged-Coupled Devices Protection Based on Dye-Doped Nematic Liquid Crystals
Bartłomiej Wojciech Klus,
Michał Kwaśny,
Mirosław Andrzej Karpierz
et al.
Abstract:This paper develops an optical power limiter (OPL) utilizing dye-doped nematic liquid crystals (NLCs) in a twisted nematic configuration designed to protect charged-coupled devices from intense light damage. The device harnesses the intrinsic optical properties of NLCs, enhanced by dye doping, to control light transmission without external electric fields. Placed between two crossed polarizers, the NLC cell exploits both reorientational and thermal nonlinearities to reduce the activation thresholds and enhance… Show more
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