Session Index

S10. Metaverse Photonics

Metaverse Photonics III
Saturday, Dec. 3, 2022  10:45-12:00
Presider: Cheng-Huan Chen、Huang-Ming Chen
Room: 2F A206
10:45 - 11:15
Manuscript ID.  0780
Paper No.  2022-SAT-S1003-I001
Invited Speaker:
Yao-Wei Huang
Large-scale RGB-achromatic Metalens for Virtual Reality and Augmented Reality
Yao-Wei Huang, National Yang Ming Chiao Tung University (Taiwan)

It has become possible to manipulate light spectrally and spatially on demand at wavelength scale with the development of metasurfaces in recent years. However, large-scale penetration of achromatic metasurface-based metalens are current challenges. Here, I report our recent developments of dispersion-engineered metasurfaces and centimeter-scale diameter RGB-achromatic metalens by using inverse-design method. We demonstrate virtual reality and augmented reality platforms by using our RGB-achromatic metalens with a fiber scanning near-eye display or a laser-illuminated micro liquid crystal display. Such large-scale meta-optics opens a new paradigm for applications and inspire a vision for a future in which meta-optics will be widely used.

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11:15 - 11:30
Manuscript ID.  0073
Paper No.  2022-SAT-S1003-O001
Chien-Chung Tsai Investigation of Laser Ablation on Si3N4 Film by Using Unsupervised Machine Learning in CMOS-MEMS Process
Chien-Chung Tsai, Chih-Chun Chan, Ming-Jie Syu, Hao-Hsin Gao, Mingshin University of Science and Technology (Taiwan)

This work proposes a brand new approaching for the laser ablation study of Si3N4 film based upon unsupervised learning in CMOS-MEMS process. The study demonstrates the interval time is the dominant role on laser ablation quality. There are four classes for this task by k-means algorithm. While the interval time is larger than 60s, the mean of laser ablation quailty(reb) is more than 82%. The interval time is lower than 40s which reb is less than 71%. The result shows energy 0.318mJ, pulse shots 3 times, and pad position right gets the more reb compared to other conditions.

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11:30 - 11:45
Manuscript ID.  0828
Paper No.  2022-SAT-S1003-O002
Po-Han Chiu An online application for designing diffractive waveguide see-through display with glasses-like form-factor
Po-Han Chiu, National Taipei Univeristy of Technology (Taiwan); Wen-Chang Hung, ASUSTek COMPUTER INC (Taiwan); Yu-Chieh Cheng, National Taipei Univeristy of Technology (Taiwan)

Diffractive waveguide display, which has shown promising results in the field of Metaverse, provides thin and light optical solutions for augmented reality devices. While the design of diffractive combiners, which requires the designer to consider both optically and mechanically, is a challenging task for engineers who barely learn the knowledge of diffractive optics, thus complicating the design process and slowing down the iterative development. Based on the design principle of diffractive optics, we have developed a handy online application to design the layout of diffractive combiners with pupil expansions.

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11:45 - 12:00
Manuscript ID.  0872
Paper No.  2022-SAT-S1003-O003
Tsai-Yi Chen Uniformity Calibration on Color Display
Tsai-Yi Chen, Tsung-Hsun Yang, Yeh-Wei Yu, Ching-Cherng Sun, National Central University (Taiwan)

In metaverse photonics, all the contents might be presented in a micro display for further projection. This work explores the calibration process on the brightness uniformity for the micro-display. Here, the calibration is extensive down to pixel-wise such that all the image contents could be reprojected onto human retina with high quality for metaverse applications.

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