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  1. 961
  2. 962

    LDPC-Coded Generalized Frequency Division Multiplexing for Intensity-Modulated Direct-Detection Optical Systems by Dong Guo, Wei Zhang, Feng Tian, Jianyang Shi, Kaihui Wang, Miao Kong, Junwen Zhang, Kai Lv, Deng'ao Li, Xiaolong Pan, Xiangjun Xin

    Published 2019-01-01
    “…In this paper, a low-density parity check (LDPC) coded GFDM with high-level modulation scheme is proposed for more flexible and advanced multicarrier modulation in intensity-modulated/direct-detection (IM/DD) optical systems. Then, we experimentally demonstrate an LDPC-coded GFDM with 16-quadrature amplitude modulation (16QAM) system transmitted over 20-km standard single-mode fiber at different symbol rates to verify the applicability of the proposed scheme. …”
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    Article
  3. 963

    Impact of Carotid Endarterectomy on Choroidal Thickness and Volume in Enhanced Depth Optical Coherence Tomography Imaging by Elżbieta Krytkowska, Monika Masiuk, Miłosz P. Kawa, Aleksandra Grabowicz, Paweł Rynio, Arkadiusz Kazimierczak, Krzysztof Safranow, Piotr Gutowski, Anna Machalińska

    Published 2020-01-01
    “…Carotid endarterectomy (CEA) is considered an effective therapeutic method for improving ocular circulation. The choroid is a predominantly vascular tissue; thus, systemic and local vascular alterations may influence its morphology and function. …”
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    Article
  4. 964

    Land Use and Land Cover Classification with Deep Learning-Based Fusion of SAR and Optical Data by Ayesha Irfan, Yu Li, Xinhua E, Guangmin Sun

    Published 2025-04-01
    “…Compared to state-of-the-art baselines, our proposed methods show a significant improvement in classification accuracy, demonstrating that multimodal fusion mitigates single-sensor limitations (e.g., optical cloud obstruction and SAR speckle noise). …”
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    Article
  5. 965
  6. 966

    Impact of Lipid Parameters on Visual Acuity Change in Non-Arteritic Anterior Ischemic Optic Neuropathy by Kemchoknatee P, Arjkongharn N, Pongpirul K

    Published 2024-12-01
    “…Parinee Kemchoknatee,1 Niracha Arjkongharn,1 Krit Pongpirul2 1Department of Ophthalmology, Rajavithi Hospital, Bangkok, Thailand; 2Faculty of Medicine, Chulalongkorn University, Bangkok, ThailandCorrespondence: Parinee Kemchoknatee, Department of Ophthalmology, Rajavithi Hospital, 2, Phayathai Road, Bangkok, 10400, Thailand, Email parinee.eye52@gmail.comPurpose: To assess the potential influence of serum biochemical factors, specifically lipid profile parameters, on visual outcomes in patients with non-arteritic anterior ischemic optic neuropathy (NAION).Patients and Methods: All patients diagnosed with NAION at Rajavithi Hospital between 1 January 2011 and 31 December 2020 were retrospectively reviewed. …”
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  7. 967

    A comparative analysis of biometric parameters of optic nerves obtained by ultrasonic sensors of varied frequencies by V. V. Neroev, T. N. Kiseleva, M. S. Zaytsev, A. V. Baeva, E. K. Eliseeva, A. I. Ushakov

    Published 2023-12-01
    “…Purpose: a comparative analysis of biometric parameters of the optic nerve obtained by different diagnostic ultrasound sensors.Material and methods. …”
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    Article
  8. 968

    Molecular mechanisms after optic nerve injury: Neurorepair strategies from a transcriptomic perspective by Xiaxue Chen, Muyang Wei, Guangyu Li

    Published 2026-03-01
    “…Furthermore, computational models and systems biology methods could help predict molecular pathways interactions, providing valuable guidance for clinical research on optic nerve regeneration and repair.…”
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    Article
  9. 969

    Microdisk Resonator With Negative Thermal Optical Coefficient Polymer for Refractive Index Sensing With Thermal Stability by Tao Ma, Jinhui Yuan, Feng Li, Lei Sun, Zhe Kang, Binbin Yan, Qiang Wu, Xinzhu Sang, Kuiru Wang, Heng Liu, Fang Wang, Bo Wu, Chongxiu Yu, Gerald Farrell

    Published 2018-01-01
    “…In this paper, we propose a microdisk resonator with negative thermal optical coefficient (TOC) polymer for refractive index (RI) sensing with thermal stability. …”
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    Article
  10. 970

    A joint learning approach for automated diagnosis of keratinocyte carcinoma using optical attenuation coefficients by Lei Zhang, Xiaoran Li, Wen Chen, Yuanjie Gu, Hao Wu, Zhong Lu, Biqin Dong

    Published 2025-04-01
    “…Here, we propose an automated diagnostic method using the optical attenuation coefficient (OAC) and a joint learning strategy to classify AK, BCC, and normal skin. …”
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    Article
  11. 971

    Normative values of optic nerve sheath diameter in Southwestern Nigeria using magnetic resonance imaging by Ikechukwu Emmanuel Onwunta, Aminu Muzammil, Ikenna Caleb Onyemauwa, Stephen Chukwuebuka Ugwuobu, Abdullahi Alfa, Benjamin Ikemefuna Ude, Ignatius Ajogu Nwigboji, Ifeanyi Daniel Obatu, Ebube Lilian Agbo

    Published 2025-07-01
    “…Abstract Background Normative values of optic nerve sheath diameter (ONSD) are essential for establishing baseline measurements to differentiate normal from pathological states. …”
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    Article
  12. 972

    Experimental and Numerical Study of Slug-Flow Velocity Inside Microchannels Through In Situ Optical Monitoring by Samuele Moscato, Emanuela Cutuli, Massimo Camarda, Maide Bucolo

    Published 2025-05-01
    “…In this study, we present an on-chip experimental method for estimating the slug-flow velocity in microchannels through in situ optical monitoring. …”
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  13. 973

    Interrelation of ophthalmic pathology with the condition of the musculoskeletal system of visually impaired schoolchildren by T. S. Egorova, T. S. Smirnova

    Published 2018-10-01
    “…Purpose: to study the state of the musculoskeletal system of visually impaired schoolchildren using a topographic system TODP and analyze the prevalence of spine conditions for different ophthalmic pathologies. Material and methods. 188 visually impaired high school students and 60 students with high visual acuity (the control group) were tested using computer optic topography COMOT and the TODP topographic system. …”
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    Article
  14. 974

    Ultra-Widefield Retinal Optical Coherence Tomography (OCT) and Angio-OCT Using an Add-On Lens by Bartosz L. Sikorski

    Published 2025-07-01
    “…<b>Material and Methods:</b> This study included OCT and angio-OCT measurements performed with a REVO FC 130 (Optopol Technology, Poland) with an add-on widefield lens in a case series of 215 patients with retinal pathologies and 39 healthy subjects. …”
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  15. 975

    Research on Metal Mesh Coupling Mirrors Utilizing Metasurfaces for Optically Pumped Gas THz Lasers by Lijie Geng, Zhenxiang Fu, Shuaifei Song, Chenglong Bi, Wenyan Zhang, Ruiliang Zhang, Kun Yang, Yanchen Qu

    Published 2025-06-01
    “…Taking the THz laser with the 118.8 µm of CH<sub>3</sub>OH optically pumped by the 9.6 µm CO<sub>2</sub> laser line for instance, two kinds of metal mesh were devised as input and output couplers of the resonator, and the transmittance and reflectance of the metal meshes are verified by the finite-difference time-domain (FDTD) method. …”
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    Article
  16. 976

    An animal model study of simplified optical navigation system-assisted percutaneous lumbar transforaminal puncture by B. N. Wenxiu Chai, Yuqing Chen, Li Sheng, Yong Huang

    Published 2025-08-01
    “…Methods A simplified optical navigation system based on an optical tracker and 3D Slicer software was developed. …”
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    Article
  17. 977

    Multitemporal observation of Karla reservoir in Thessaly Greece utilizing SAR and optical remotely sensing imagery by Triantafyllos FALARAS, Maria KOILAKOU, Leonidas TSOUKALAS

    Published 2020-12-01
    “…For SAR imagery an image segmentation method with a dynamic threshold operator based on mean values is utilized, while for optical imagery the Normalized Difference Water Index (NDWI) is applied. …”
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    Article
  18. 978

    All-optical convolutional neural network based on phase change materials in silicon photonics platform by Samaneh Amiri, Mehdi Miri

    Published 2025-07-01
    “…The individual optical elements, network layers and the overall convolution network are simulated using finite-difference time-domain method, coupled mode theory and Python programming, respectively. …”
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    Article
  19. 979

    Realizing real-time optical molecular imaging in peripheral nerve tissue via Rhodamine B by Jinzheng Wei, Jinzheng Wei, Xinyu Guo, Xinyu Guo, Yixi Wang, Yunmeng Zhang, Yunmeng Zhang, Wei Zhao, Shufeng Han, Chao Liu, Chao Liu, Xiaofeng Yang, Xiaofeng Yang, Wenkai Liang

    Published 2024-11-01
    “…This study aimed to realize real-time OMI of PNs via Rhodamine B.MethodsPhosphate buffered saline (PBS), normal saline (NS), 5% glucose solution (GS), and fetal bovine serum (FBS) were selected for measuring the fluorescence spectra of Rhodamine B solutions prepared in each formulation. …”
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  20. 980

    The Relevance of Optical Coherence Tomography Angiography in Screening and Monitoring Hypertensive Patients with Carotid Artery Stenosis by Irina Cristina Barca, Vasile Potop, Stefan Sorin Arama

    Published 2025-05-01
    “…<b>Methods</b>: We conducted a study on hypertensive patients with ICAS using six OCTA parameters in the analysis of the retinal vasculature and carotid Doppler US velocities of three carotid arteries and the vertebral artery (VA). …”
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