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Publications & Research

My contributions to the scientific community spanning optical science, machine learning, and interdisciplinary research.

Closed-form universal dwell-time optimization for computer-controlled optical surfacing (CUDO)
Tianyi Wang, Lei Huang, Xiaolong Ke, Yingnan Ma, Yiming Zhang, Ryan Luu, Vipender Negi, Corey Austin, Heejoo Choi, Hyukmo Kang, Daewook Kim, Mourad Idir · Optics Express (2025)
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Unified closed-form framework for dwell time optimization in precision optical figuring
Tianyi Wang, Lei Huang, Xiaolong Ke, Yingnan Ma, Ryan Luu, Vipender Negi, Lei Huang, Corey Austin, Daewook Kim, Mourad Idir · Proc. SPIE 13728-52, Advances in Optical Fabrication, Testing, and Metrology (2025)
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Optimizing dwell time matrix computations: a GPU-accelerated approach for CCOS
Ryan Luu, Tianyi Wang, Vipender Negi, Heejoo Choi, Xiangyu Guo, Xiaolong Ke, Lei Huang, Corey Austin, Mourad Idir, Daewook Kim · Proc. SPIE 13624-86, Astronomical Applications (2025)
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Parallel dwell time optimization in zonal optics fabrication for large mirror polishing
Vipender S. Negi, Ryan Luu, Tianyi Wang, Hyukmo Kang, Xiangyu Guo, Corey Austin, Xiaolong Ke, Heejoo Choi, Lei Huang, Mourad Idir, Daewook Kim · Proc. SPIE 13624-50, Astronomical Applications (2025)
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Polishing thin cordierite substrates using diamond particles and cerium oxide for high-precision optical applications
Vipender S. Negi, Hyukmo Kang, Ryan Luu, Xiangyu Guo, Tianyi Wang, Corey Austin, Xiaolong Ke, Heejoo Choi, Lei Huang, Mourad Idir, Daewook Kim · Proc. SPIE 13624-51, Astronomical Applications (2025)
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Progress towards alignment of Multi-Order Diffractive Engineered (MODE) lens segments using the Kinematically-Engaged Yoke System (KEYS) for optical performance testing
Marcos A. Esparza, Ryan Luu, Heejoo Choi, Tom D. Milster, Daniel Apai, Daewook Kim · Proc. SPIE 12221, Optical Manufacturing and Testing XIV (2022)
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Autonomous closed-loop control for multi-segmented optic aligning and assembly
Heejoo Choi, Marcos A. Esparza, Ryan Luu, Tom Milster, Daniel Apai, Daewook Kim · Proc. SPIE 12221, Optical Manufacturing and Testing XIV (2022)
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Multilateralism Shifts: A Study of Japanese Foreign Policy
Ryan Luu, Joshua Schlachet, Nathaniel Smith · W.A Franke Honors College Thesis Repository (2021)
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