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13 March 2024 Improvement of THz phase sensing system by using LC phase shifter under magnetic field application
Ryota Ito, Michinori Honma, Toshiaki Nose
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Proceedings Volume 12907, Emerging Liquid Crystal Technologies XIX; 129070A (2024) https://doi.org/10.1117/12.3000793
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Terahertz (THz) waves have attracted significant attention for many years mainly because of their practical applications in imaging. Liquid crystals (LCs) are remarkable materials for THz wave polarization modulation, as external fields with low power consumption can control their birefringence. Previously, we demonstrated a continuous wave THz common path phase shifting interference (PSI) method using the hydrogen-bonded LC phase shifter. In this study, we introduce the magnetic field to enhance the operation speed of the hydrogen-bonded LC phase shifter. We discuss the magnetic field application methods and the operation speed of continuous wave THz common path PSI.
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Ryota Ito, Michinori Honma, and Toshiaki Nose "Improvement of THz phase sensing system by using LC phase shifter under magnetic field application", Proc. SPIE 12907, Emerging Liquid Crystal Technologies XIX, 129070A (13 March 2024); https://doi.org/10.1117/12.3000793
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KEYWORDS
Terahertz radiation
Phase shifts
Liquid crystals
Signal intensity
Biological imaging
Phase measurement
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