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Light Makes Our Life Shine

Our group is dedicated to understanding the interaction between light and matter at the nano- and micro-scales, and to discovering new light-related phenomena.

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Based on these novel light phenomena, our mission is to develop new photonic materials and the next generation of optoelectronics, contributing to fields such as energy, security, sensing, bio-medical devices, and imaging systems.

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Specifically, our research ranges from the level of photonic materials (e.g., nanophotonics and metasurfaces) to optical devices and systems (e.g., energy-saving systems and bio-inspired imaging systems).

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We envision a future society enriched with safety and prosperity, driven by advancements in light-related technologies.

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Feline eye-inspired artificial vision system

Inspired by the feline eye, this study presents a monocular vision system that enhances photosensitivity and reduces excess light. It improves focus in various lighting conditions and detects camouflaged objects, demonstrating the potential of biomimicry in optical technology.

Main: 연구

Welcome to Lee's research group in Pusan National University

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Main: 환영 인사

News

  • 2024-09-19: Our paper entitled "Feline eye–inspired artificial vision for enhanced camouflage breaking under diverse light conditions" has been published in Science Advances as Cover Article (IF:11.7, JCR < 10%).

  • 2024-09-16: Our paper entitled "Nanowire-based artificial photoreceptors with multi-hyperuniformity inspired by chicken retina" has been published in Optics Express.

  • 2024-08-30: Our paper entitled "Angular selective broadband radiative cooling based on Berreman mode" has been published in Optics Express.

  • 2024-07-17: Our paper entitled "Anti-distortion bioinspired camera with an inhomogeneous photo-pixel array" has been published in Nature Communications (IF:16.6, JCR < 7%).

  • 2024-05-29: Our paper entitled "Avian eye–inspired perovskite artificial vision system for foveated and multispectral imaging" has been published in Science Robotics (IF:25, JCR < 2%).

  • 2024-05-17: 10년의 장기연구를 지원하는 '한우물파기 기초연구' 과제에 우리 연구실이 최종 선정되었습니다! (Link)

  • 2024-05-14: Mi Jin, Jeong Jin, Min Ju, and Ik Hoon have been selected as the BK21 PNU Fellowship!

  • 2024-04-25: Mi Jin Hong, Min Seo Park, Jung Mi Im, and Dong Kyun Ryu have been selected for the ‘Ministry of Science and ICT Support Project for Women Graduate Students’ Engineering Research Team’. This has been featured in PNU Focus [Click]!

  • 2024-04-20: Our paper entitled "Enhanced Color-Preserving Radiative Coolers for Versatile Architectural Applications" has been published in Advanced Optical Materials (IF: 9.0, JCR < 10%).

  • 2024-04-19: Our paper entitled "Deep learning-assisted inverse design of nanoparticle-embedded radiative coolers" has been published in Optics Express.

  • 2024-04-15: Our paper entitled "Bio-inspired tunable optics and photonics: bridging the gap between nature and technology" has been published in International Journal of Optomechatronics.

  • 2024-03-06: Our paper entitled "Fully bioresorbable hybrid opto-electronic neural implant system for simultaneous electrophysiological recording and optogenetic stimulation" has been published in Nature Communications (IF:16.6, JCR < 7%).

  • 2024-02-23: Min Seong Kim, Min Ju Kim, Su Bo Lee, and Ik Hoon Jeong graduated from MS and BS courses!

  • 2024-02-08: Min Seo and Min Ju made our 'APOL' logo!

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  • 2024-01-13: Check out APOL members' journey at CES 2024! [Link]

  • 2024-01-02: Our paper entitled "Nanomaterial-Based Artificial Vision Systems: From Bioinspired Electronic Eyes to In-Sensor Processing Devices" has been published in ACS Nano (IF:17.1, JCR 7%).

  • 2023-12-20: Our paper entitled "Flexible and Wearable Encryption Primitive Based on Optical Physically Unclonable Functions" has been published in IEEE Journal of Selected Topics in Quantum Electronics.

  • 2023-10-10: Gyu Tae Park has joined our group!

  • 2023-08-04: Our paper entitled "Parabolic Mirror-Assisted Thermoelectric and Radiative Cooling System for Maximizing Power Generation Utilizing Solar and Outer Space Thermodynamic Resources" has been published in Advanced Materials Interfaces.

  • 2023-07-24: Our paper entitled "Scalable, Patternable Glass-Infiltrated Ceramic Radiative Coolers for Energy-Saving Architectural Applications" has been published in Advanced Science (IF:15.1, JCR 7%).

  • 2023-07-18: Min Seo Park has joined our group!

  • 2023-07-05: Jung Mi Im has joined our group!

  • 2023-06-30: Heejun Nam has won 'Best poster award' in IEIE 2023!

  • 2023-06-20: Dong Gyun Ryu has joined our group!

  • 2023-06-19: Min Seong Kim, Hee Jun Nam, Jeong Jin Kim, and Mi Jin Hong have been selected as the BK21 PNU Fellowship!

  • 2023-03-01: Han Gyeol Kim has joined our group!

  • 2023-03-01: Our paper entitled "Polarization-mediated multi-state infrared system for fine temperature regulation" has been published in APL Photonics as Featured article!

  • 2023-02-24: Mi Jin Hong, Jeong Jin Kim, and Heejun Nam graduated from their undergraduate programs!

  • 2023-02-20: Min Seong Kim has won 'Outstanding Research Paper Award' in BK21 EE!

  • 2023-02-15: Our paper entitled "Cuttlefish eye–inspired artificial vision for high-quality imaging under uneven illumination conditions" has been published in Science Robotics (IF:27.541, JCR 2%).

  • 2023-02-01: Our paper entitled "Zebra-inspired stretchable, biodegradable radiation modulator for all-day sustainable energy harvester" has been published in Science Advances (IF:14.980, JCR 9%).

  • 2023-01-12: Our paper entitled "Visually Hidden, Self-Assembled Porous Polymers for Optical Physically Unclonable Functions" has been published in ACS Applied Materials & Interfaces.

  • 2022-09-08: Our paper entitled "Compact zooming optical systems for panoramic and telescopic applications based on curved image sensor" has been published in Journal of Optical Microsystems.

  • 2022-07-19: Our paper entitled "An amphibious artificial vision with a panoramic visual field" has been featured on the July cover of Nature Electronics!

  • 2022-07-12: Our paper entitled "An amphibious artificial vision with a panoramic visual field" has been published in Nature Electronics (IF:33.255, JCR 1%).

  • 2022-07-07: Chang Hwan Kim has joined our group!

  • 2022-06-09: Our paper entitled "Heat-shedding with photonic structures: radiative cooling and its potential" has been published in Journal of Materials Chemistry C.

  • 2022-06-06: Our paper entitled "Self‐Cooling Gallium‐Based Transformative Electronics with a Radiative Cooler for Reliable Stiffness Tuning in Outdoor Use" has been published in Advanced Science (IF:16.806, JCR 6%).

  • 2022-05-31: June Tae Kim and Heejun Nam have joined our group!

  • 2022-05-12: Min Seong Kim has been selected as the BK21 PNU Fellowship!

  • 2022-04-27: Mi Jin Hong has joined our group!

  • 2022-03-26: Our paper entitled "Gires–Tournois Immunoassay Platform for Label-Free Bright-Field Imaging and Facile Quantification of Bioparticles" has been published in Advanced Materials (IF:30.849, JCR 3%).

  • 2022-03-02: Our paper entitled "Spatially-segmented colored radiative cooler with angle-robustness" has been published in IEEE Photonics Journals.

  • 2022-01-21: Jeong Jin Kim has joined our group!

  • 2022-01-11: Our paper entitled "Revisiting silk: a lens-free optical physical unclonable function" has been published in Nature Communications (IF: 14.919, JCR 5%)

  • 2022-01-10: Our paper entitled "Single-material, near-infrared selective absorber based on refractive index-tunable Tamm plasmon structure" has been published in Advanced Optical Materials (IF: 9.926, JCR 7%)

  • 2021-12-24: Su Bo Lee has joined our group!

  • 2021-12-23: Our paper entitled "Determining the effectiveness of radiative cooler-integrated solar cells" has been published in Advanced Energy Materials (IF: 29.368, JCR 3%)

  • 2021-11-04: Jun Soo Kim and Min Ju Kim have joined our group!

  • 2021-11-02: Ik Hoon Jeong has joined our group!

  • 2021-11-01: Min Seong Kim has joined our group!

  • 2021-09-23: Sang-Wook Park has joined our group!​
  • 2021-09-15: Our paper entitled "Ultra-thin and near-unity selective emitter for efficient cooling" has been published in Optics Express. 
  • 2021-09-01: Prof. Lee lab opens at PNU ​
  • 2021-08-22: Group website is online
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