Showing 2,401 - 2,420 results of 4,366 for search '"optics"', query time: 0.05s Refine Results
  1. 2401

    Controlled Growth of ZnSe Nanocrystals by Tuning Reactivity and Amount of Zinc Precursor by Lai-Jun Zhang, Fa-Yun Chen, Ji-Zao Tong, Guang-Da Chen, Hai-Jin Huang, Xing-Can Shen

    Published 2013-01-01
    “…Result indicates that the growth and optical property of the resulting ZnSe nanocrystals are strongly dependent on the alkyl chain length and the amount of the zinc carboxylates and both shorter alkyl chain length, and more amount of zinc carboxylate will lead to faster growth of ZnSe nanocrystals. …”
    Get full text
    Article
  2. 2402

    Nitrogen Incorporation in TiO2: Does It Make a Visible Light Photo-Active Material? by B. Viswanathan, K. R. Krishanmurthy

    Published 2012-01-01
    “…The purpose of this presentation is to examine the state and location of nitrogen introduced in TiO2 lattice and how far the shift of optical response to visible radiation can be beneficial for the observed photo-catalysis. …”
    Get full text
    Article
  3. 2403

    Preparation of SiO2-Capped Sr2MgSi2O7:Eu,Dy Nanoparticles with Laser Ablation in Liquid by Mika Ishizaki, Takao Katagiri, Takao Sasagawa, Yoshitaka Kitamoto, Osamu Odawara, Hiroyuki Wada

    Published 2012-01-01
    “…The effect of SiO2 capping on the optical properties of nanoparticles was investigated. …”
    Get full text
    Article
  4. 2404

    Theoretical Investigation of Terahertz Spoof Surface-Plasmon-Polariton Devices Based on Ring Resonators by Can Liu, Shenghao Gu, Mingming Sun, Ya Liu, Ying Zhang, Jiaguang Han

    Published 2025-01-01
    “…Terahertz is one of the most promising technologies for high-speed communication and large-scale data transmission. As a classical optical component, ring resonators are extensively utilized in the design of band-pass and frequency-selective devices across various wavebands, owing to their unique characteristics, including optical comb generation, compactness, and low manufacturing cost. …”
    Get full text
    Article
  5. 2405

    Effect of Ar/CH4 Mixture Ratio on Properties of Ag/C:H Nanocomposite Prepared by DC Sputtering by E. Mohsen Soltani, Z. Ghorannevis, M. Shirazi

    Published 2013-01-01
    “…Effect of Ar/CH4 gas mixture ratios was investigated on optical and structural properties of Ag/C:H films by FTIR spectroscopy analysis, X-Ray diffractometry (XRD), scanning electron microscopy (SEM), and atomic force microscopy (AFM), respectively. …”
    Get full text
    Article
  6. 2406

    A Novel Flip-Filtered Orthagonal Frequency Division Multiplexing-Based Visible Light Communication System: Peak-to-Average-Power Ratio Assessment and System Performance Improvement by Hayder S. R. Hujijo, Muhammad Ilyas

    Published 2025-01-01
    “…Then, the proposed scheme is assessed with HS-free Flip-OFDM, asymmetrically clipped optical (ACO)-OFDM, and direct-current bias optical (DCO)-OFDM. …”
    Get full text
    Article
  7. 2407

    A Multicast-Traffic-Oriented Energy-Saving Algorithm with a Hybrid Sleep Mode for EPONs by Lincong Zhang, Lei Guo, Yejun Liu, Kefeng Wei, Weigang Hou

    Published 2016-01-01
    “…High energy consumption in Ethernet Passive Optical Networks (EPONs) has caused intense research on energy-saving methods in recent years. …”
    Get full text
    Article
  8. 2408

    СONSTRUCTION AND THE ALGORITHM OPERATION OF THE LASER COMBINED FIRE DETECTOR by A. I. Kitsak, A. P. Lushchyk, D. L. Esipovich, V. N. Konon, I. V. Kavalchyk, O. A. Protasevich, I. B. Tretyak

    Published 2017-02-01
    “…The point optical smoke detector is currently the most effective means of fire detection at the early stage of its occurrence. …”
    Get full text
    Article
  9. 2409

    Development and Integration of a CO Detection System Based on Wavelength Modulation Spectroscopy Using Near-Infrared DFB Laser by Bin Li, Shuo-Cheng Zhang, Yao-Dan Chi

    Published 2018-01-01
    “…The CO absorption line at 1563.06 nm was scanned with a tunable distributed feedback (DFB) laser, and two InGaAs photodiodes were applied to perform optic-electric conversion. Without using commercial instruments, essential electrical circuits were self-developed and integrated, including laser temperature controller, laser current driver, signal generator, and digital lock-in amplifier. …”
    Get full text
    Article
  10. 2410

    Bilateral Dome-Shaped Macula with Serous Macular Detachment in a Child by Zafer Cebeci, Nur Kir

    Published 2015-01-01
    “…Dome-shaped macula is a structural disorder and optical coherence tomography (OCT) helps us to confirm macular convexity. …”
    Get full text
    Article
  11. 2411

    MODELLING AND OPTIMIZATION OF PORTABLE SUPERVISION THE DEVICE OF BY MEANS OF ANALYSIS OF RIGIDITY OF ITS DESIGN IN THE ENVIRONMENT OF Pro/ENGINEER SAPR by R. V. Feodortsau, A. V. Fufaev, A. A. Bolotin

    Published 2015-03-01
    “…Own frequency fluctuations of a product by orthogonal axes and the corresponding points of the maximal tension concentration in optical and mechanical components under the influence of their gravity are determined.…”
    Get full text
    Article
  12. 2412
  13. 2413
  14. 2414

    Little Red Dots: Rapidly Growing Black Holes Reddened by Extended Dusty Flows by Zhengrong Li, Kohei Inayoshi, Kejian Chen, Kohei Ichikawa, Luis C. Ho

    Published 2025-01-01
    “…Their unique V-shaped spectral feature, characterized by a red optical continuum and a UV excess in the rest frame, challenges us to discern the relative contributions of the galaxy and AGN. …”
    Get full text
    Article
  15. 2415

    Heterogeneous integration of amorphous silicon carbide on thin film lithium niobate by Zizheng Li, Naresh Sharma, Bruno Lopez-Rodriguez, Roald van der Kolk, Thomas Scholte, Hugo Voncken, Jasper van der Boom, Simon Gröblacher, Iman Esmaeil Zadeh

    Published 2025-01-01
    “…In the past decade, lithium niobate (LiNbO3 or LN) photonics, thanks to its heat-free and fast electro-optical modulation, second-order non-linearities, and low-loss, has been extensively investigated. …”
    Get full text
    Article
  16. 2416

    Ab Initio Study of Optoelectronic and Magnetic Properties of Ternary Chromium Chalcogenides by Marc Ong, Mahmoud Hammouri, Radi A. Jishi

    Published 2018-01-01
    “…Electronic band structure calculations indicate that these compounds are either metallic or semiconductors with relatively low bandgap energies. The large optical absorption coefficients, predicted by our calculations, suggest that some of these compounds may be useful as light harvesters in solar cells or as infrared detectors.…”
    Get full text
    Article
  17. 2417

    Calciphylaxis: Temporal Artery Calcification Preceding Widespread Skin Lesions and Penile Necrosis by Manzoor A. Shah, Michael W. Roppolo

    Published 2012-01-01
    “…While on peritoneal dialysis, he developed anterior ischemic optic neuropathy, had no improvement on high dose steroids, and temporal artery biopsy showed marked calcification without any evidence of vasculitis. …”
    Get full text
    Article
  18. 2418

    History of the development of telecommunications infrastructure in Japan by Yoshio Arai

    Published 2020-02-01
    “…The domestic telegraph networks had been steadily expanded from the large metropolises to local cities from the end of the 19th century to the early 20th century. Even the recent optical fiber networks maintain a similar configuration. …”
    Get full text
    Article
  19. 2419
  20. 2420

    Integrated photonic programmable random matrix generator with minimal active components by Kevin Zelaya, Mostafa Honari-Latifpour, Mohammad-Ali Miri

    Published 2025-02-01
    “…We show that using only two random phase layers is sufficient for producing output optical signals with a white-noise profile, even for highly sparse input optical signals. …”
    Get full text
    Article