Development of Advanced Terahertz Optics Using Liquid Crystals

Aniela Dunn,Zhaopeng Zhang,Michael D. Horbury,Eleanor Nuttall,Yingjun Han,Mohammed Salih,Lianhe Li,Ehab Saleh,Russell Harris, Nart Daghestani,Diego Pardo,Brian Ellison,Andrew Burnett,Helen Gleeson,Alexander Valavanis

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ)（2021）

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摘要

Liquid crystal devices manufactured with a commercially available material (E7) have been characterized with THz time-domain spectroscopy up to 4.5 THz. These LCDs were used to modulate the power output of a 3.4-THz quantum-cascade laser, attenuating the THz power through the device by up to 40% dependent both on the liquid crystal layer thickness and bias voltage applied.

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关键词

terahertz time-domain spectroscopy,LCD,power output,quantum cascade laser,liquid crystal layer thickness,bias voltage,terahertz optics,liquid crystal devices,E7,frequency 4.5 THz

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