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15:15 - 15:30
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Award Candidate (Paper Competition)
Manuscript ID. 0711
Paper No. 2022-FRI-S1002-O001
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| Chun-Ting Wu
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Polarizer-free and electrically controllable liquid crystal ambient-light modulator
Chun-Ting Wu, Ko-Ting Cheng, National Central University (Taiwan)
We propose two kinds of polarizer-free and electrically controllable liquid crystal (LC) ambient-light modulator with different dynamic tunable ranges, 6.86%-37.5% and 0.27% and 12.37%, in visible wavelength. The key mechanism is the guest-host effect of dichroic dyes and LCs. The former can be a dimmer for AR glasses and the latter a modulator for switching glasses between AR and VR.
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15:30 - 15:45
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Award Candidate (Paper Competition)
Manuscript ID. 0803
Paper No. 2022-FRI-S1002-O002
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| Yang-Kuan Tseng
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Waveguide-based Augmented Reality Devices Design using Hybrid Rigorous Coupled-wave Analysis and Ray-tracing Method
Yang-Kuan Tseng, Tsung-Xian Lee, National Taiwan University of Science and Technology (Taiwan)
We propose a hybrid approach combining the rigorous coupled wave analysis (RCWA) and the Monte Carlo ray-tracing method to design augmented reality (AR) devices. Any situation with both geometric rays and diffracted waves conditions can quickly obtain theoretical results to reduce the cost of trial-and-error and increase research efficiency.
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15:45 - 16:00
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Award Candidate (Paper Competition)
Manuscript ID. 0655
Paper No. 2022-FRI-S1002-O003
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| Yu-Chien Wang
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Analytical solution for the trade-off between the wavelength selectivity and the angular selectivity
Yu-Chien Wang, Yu-Hong Huang, Yeh-Wei Yu, Tsung-Hsun Yang, Ching-Cherng Sun, Chih-Hung Chen, Chih-Yuan Cheng, National Central University (Taiwan)
In this study, the Volume Hologram being an Interference of the Lights emitted from elementary Light Sources (VOHIL) is used to build the numerical model of the volume holographic optical element, which can accurately predict the trade-off between the wavelength selectivity and the angular selectivity. And we also validate each other with the experimental results and the simulation results.
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16:00 - 16:15
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Award Candidate (Paper Competition)
Manuscript ID. 0539
Paper No. 2022-FRI-S1002-O004
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| Guan-Yu Zhu
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Deep Leaning Based Eye Tracking using in Light Field Image Display
Guan-Yu Zhu, Yeh-Wei Yu, Tsung-Hsun Yang, Ching-Cherng Sun, Tzu-Kai Wang, National Central University (Taiwan)
We propose a brand new eye tracking technique that is applied to the light-field based near-eye display. The convolution neural network (CNN) is used to predict the glaze point of eye (x-direction pixel, y-direction pixel). A formula is proposed to calculate the depth of the eye (d_e). By exploiting de, we can produce more precise light field image of MR device. Moreover, the information of the glaze point can provide optional operation method of MR device.
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16:15 - 16:30
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Award Candidate (Paper Competition)
Manuscript ID. 0381
Paper No. 2022-FRI-S1002-O005
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| Cing-Ran syu
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Using PointNet2 to Perform Field Analysis on the Point Cloud
Cing-Ran syu, Yeh-Wei Yu, Tzu-Kai Wang, Ching-Cherng Sun, Tsung-Hsun Yang, National central university (Taiwan)
PointNet2 can classify and semantically segment point cloud. We will use PointNet2 to learn the matrix space for point cloud. Learning how machine learning works and focus on segmentation for object.Finally, divide the object into different parts and mark them.
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16:30 - 16:45
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Award Candidate (Paper Competition)
Manuscript ID. 0513
Paper No. 2022-FRI-S1002-O006
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| Ling-Chia Huang
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High-efficiency NIR metalens via i-line photolithography with photoresist trimming for resolution enhancement
Ling-Chia Huang, Peichen Yu, Yu-Teng Chen, National Yang Ming Chiao Tung University (Taiwan)
We investigate resolution enhancement technology of a near infrared metalens. First, we make a near-infrared light metalens, then using a simple and efficient fabrication by trimming PR method with oxygen plasma. Finally, photoresist trimming for resolution enhancement technology could increase the focusing efficiency from 6.1% to 45.1%, and also push the resolution limit from 350 nm to 260 nm on i-line stepper.
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