Search Results - "Shin, WooJin"

Fabrication of Micro Fresnel Zone Plate Lens on a Mode-Expanded Hybrid Optical Fiber Using a Femtosecond Laser Ablation System by Jun Ki Kim, Jun Ki Kim, Jongki Kim, Jongki Kim, Kyunghwan Oh, Kyunghwan Oh, Ik-Bu Sohn, Ik-Bu Sohn, Woojin Shin, Woojin Shin, Hae Young Choi, Hae Young Choi, Byeongha Lee, Byeongha Lee

“…We present a compact all-fiber zone plate lens directly ablated on the surface of a mode-expanded hybrid fiber end by using a high precision femtosecond laser…”
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Effects of Antisolvent Treatment on Copper(I) Thiocyanate Hole Transport Layer in n-i-p Perovskite Solar Cells by Jung, Sehyun, Choi, Seungsun, Shin, Woojin, Oh, Hyesung, Kim, Nahyun, Kim, Sunghun, Kim, Namkook, Kim, Kyuhyun, Lee, Hyunbok

“…Copper(I) thiocyanate (CuSCN) is considered an efficient HTL of low cost and with high stability in perovskite solar cells (PSCs). However, the diethyl sulfide…”
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Cubital tunnel syndrome associated with previous ganglion cyst excision in the elbow: a case report by Shin, Woojin, Kang, Taebyeong, Han, Jeongwoon

“…Cubital tunnel syndrome refers to compression neuropathy caused by pressure on the ulnar nerve pathway around the elbow. A 63-year-old male patient visited the…”
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Effects of stirring temperature of P3HT:PCBM solution on device performance of organic photovoltaics by Kim, Wonsik, Choi, Seungsun, Shin, Woojin, Oh, Jaewon, Ryu, Mee-Yi, Lee, Hyunbok

“…In organic photovoltaics (OPVs), bulk heterojunction (BHJ) is an efficient strategy to enhance their power conversion efficiency (PCE) by increasing the…”
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Two-step preparation of methylammonium lead triiodide perovskite film via electrospray deposition of methylammonium iodide solution for solar cell applications by Kim, Nahyun, Ahn, Jaewon, Ko, Moonseok, Choi, Seungsun, Kim, Wonsik, Shin, Woojin, Jung, Sehyun, Oh, Hyesung, Hwang, Muntae, Ryu, Mee-Yi, Lee, Hyunbok

“…Solution-processable perovskite solar cells (PSCs) have the potential to revolutionize solar cell technology by enabling low power generation costs via…”
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Ultracompact Intrinsic Micro Air-Cavity Fiber Mach-Zehnder Interferometer by Minkyu Park, Minkyu Park, Sejin Lee, Sejin Lee, Woosung Ha, Woosung Ha, Dae-Kyu Kim, Dae-Kyu Kim, Woojin Shin, Woojin Shin, Ik-Bu Sohn, Ik-Bu Sohn, Kyunghwan Oh, Kyunghwan Oh

“…A compact intrinsic fiber Mach-Zehnder interferometer (MZI) is proposed and experimentally demonstrated by incorporating a micro air-cavity ablated by…”
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Large energy, all-fiberized Q-switched pulse laser using a GNRs/PVA saturable absorber by Koo, Joonhoi, Lee, Junsu, Shin, Woojin, Lee, Ju Han

“…We experimentally demonstrate the use of gold nanorods (GNRs)/PVA composite-deposited side-polished fiber as an efficient saturable absorber for use in an…”
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Enhancement in Power Conversion Efficiency of Perovskite Solar Cells by Reduced Non-Radiative Recombination Using a Brij C10-Mixed PEDOT:PSS Hole Transport Layer by Jung, Sehyun, Choi, Seungsun, Shin, Woojin, Oh, Hyesung, Oh, Jaewon, Ryu, Mee-Yi, Kim, Wonsik, Park, Soohyung, Lee, Hyunbok

“…Interface properties between charge transport and perovskite light-absorbing layers have a significant impact on the power conversion efficiency (PCE) of…”
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Antisolvent treatment of reproducible MAPbI3 perovskite solar cells in ambient atmosphere by Oh, Jaewon, Shin, Woojin, Lee, Hyunbok, Ryu, Mee-Yi

“…High sensitivity to external environments such as moisture, heat, oxygen, and ultraviolet light is an obstacle that must be overcome for the successful…”
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Cross-sectional and skeletal anatomy of long-tailed gorals (Naemorhedus caudatus) using imaging evaluations by Ahn, Sangjin, Shin, Woojin, Han, Yujin, Bae, Sohwon, Cho, Cheaun, Choi, Sooyoung, Kim, Jong-Taek

“…Accurate diagnosis of diseases in animals is crucial for their treatment, and imaging evaluations such as radiographs, computed tomography (CT), and magnetic…”
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Highly sensitive strain and bending sensor based on in-line fiber Mach–Zehnder interferometer in solid core large mode area photonic crystal fiber by Shin, Woojin, Lee, Yeung Lak, Yu, Bong-Ahn, Noh, Young-Chul, Ahn, Tae Jung

“…We have proposed highly sensitive strain and bending sensor with very low temperature sensitivity based on in-line Mach–Zehnder interferometer (MZI) in solid…”
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Design and Study of Strip-Slot Waveguide Structure for Dispersion Analysis by Ashok, Nandam, Yeung Lak Lee, WooJin Shin

“…We propose a slot waveguide design for dispersion compensation at the wavelength of 1500 nm. The proposed structure is based on coupled strip slot waveguide. A…”
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Bi2Te3 Topological Insulator for Domain-Wall Dark Pulse Generation from Thulium-Doped Fiber Laser by Koo, Joonhoi, Ashok, Nandam, Kim, Dong Hwan, Shin, Woojin

“…We have experimentally demonstrated domain-wall (DW) dark pulses from a thulium-doped fiber laser incorporating a topological insulator saturable absorber…”
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Electronic structure of P3HT film oxidized by ultraviolet–ozone treatment by Shin, Woojin, Kim, Wonsik, Choi, Seungsun, Oh, Jaewon, Ryu, Mee-Yi, Lee, Hyunbok

“…Recently, solution-processable polymeric semiconductors have been applied in various optoelectronic devices. To improve the surface properties of polymeric…”
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Reverse Ridge Silicon Strip Waveguide and Silica Slot Waveguide Structure for the Dispersion at 1550 nm by Nandam, Ashok, Minwan Jung, Yeung Lak Lee, Woojin Shin

“…We have proposed a reverse ridge strip waveguide and a slot waveguide structure for the dispersion compensation at 1550 nm wavelength. The resonance between…”
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Bending and Strain Sensitivities in a Helicoidal Long-Period Fiber Gratings by Jung, Hojoong, Shin, Woojin, Kim, Jun Ki, Park, Seung-Han, Ko, Do-Kyeong, Lee, Jongmin, Oh, Kyunghwan

“…In this letter, we report bending and strain sensitivities of helicoidal long-period fiber gratings fabricated by twisting single-mode fibers during CO 2 laser…”
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UV Sensor Based on Photomechanically Functional Polymer-Coated FBG by Kim, Hyun-Kyoung, Shin, Woojin, Ahn, Tae-Jung

“…A simple ultraviolet (UV) sensor based on a photomechanical responsible material (azobenzene moiety) and a typical fiber Bragg grating (FBG) has been proposed…”
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Micro Fresnel Zone Plate Lens Inscribed on a Hard Polymer Clad Fiber Using Femtosecond Pulsed Laser by Kim, Jongki, Ha, Woosung, Park, Jiyoung, Kim, Jun Ki, Sohn, Ik-Bu, Shin, Woojin, Oh, Kyunghwan

“…We report a novel process to directly inscribe a Fresnel zone plate (FZP) lens on the cleaved facet of a hard clad polymer fiber using a femtosecond pulsed…”
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GeAsSe chalcogenide slot optical waveguide ring resonator for refractive index sensing by Ashok, N., Yeung Lak Lee, WooJin Shin

“…We present a slot optical waveguide ring resonator that can be used as a refractive index sensor. The proposed ring resonator works on the principle of…”
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Spectral characterization of helicoidal long-period fiber gratings in photonic crystal fibers by Shin, Woojin, Lee, Yeung Lak, Yu, Bong-Ahn, Noh, Young-Chul, Oh, Kyunghwan

“…We report a new helicoidal long-period grating by twisting a photonic crystal fiber under CO 2 laser irradiation and experimentally investigated its novel…”
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