The 32nd International Display Workshops (IDW '25)

The 32nd International Display Workshops (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima
The International Display Workshops
The 32nd International Display Workshops (IDW '25)

The 32nd International Display Workshops (IDW '25)

Dec 2 - Dec 5, 2025International Convention Center Hiroshima

[LCT4-2(Invited)]Liquid Crystal-Based Linear Polarization Rotation and Restoration

Yi-Xuan Liu1, Pravinraj Selvaraj1, Yun-Jen Tsai1, *Ko-Ting Cheng1(1. National Central University (Taiwan))
https://doi.org/10.36463/idw.2025.0063

Keywords:

twisted nematic liquid crystal,linear polarization,polarization rotation,polarization restoration

Precise polarization control based on twisted-nematic liquid crystals (TNLCs) has been proposed. We introduce a linear polarization restorer based on dynamic linear polarization rotator using a 90°-TNLC cell. By varying the applied voltages for different incident polarization directions, the precise restoration of any incident linearly polarized lights to a specified orientation is achieved.