Optics

Volume 7, Issue 1, June 2018

  • The Effect of TiO2 on Optical and Radiation Shielding Properties of BaO B2O3 Glasses

    Heba A. Saudi, Ghada Adel

    Issue: Volume 7, Issue 1, June 2018
    Pages: 1-6
    Received: Dec. 13, 2017
    Accepted: Dec. 25, 2017
    Published: Jan. 16, 2018
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    Abstract: The optical properties of a new family of x TiO2 (65-x) B2O335BaO glasses are investigated. The optical parameters such as average single bond strength, optical electronegativity, optical energy gap, refractive index, optical basicity and third order nonlinear susceptibility are discussed with respect to titanium concentration. Gamma ray transmissi... Show More
  • Hydrothermal Synthesis of Tb2 (WO4)3: Eu3+ Phosphors with Controllable Morphology and Multicolor Tunable Luminescence

    Li Yuan, Jianwang He, Zhulang Qiu

    Issue: Volume 7, Issue 1, June 2018
    Pages: 7-12
    Received: Dec. 06, 2017
    Accepted: Dec. 18, 2017
    Published: Jan. 18, 2018
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    Abstract: Rare earth doped luminescent materials can be used in fluorescent lamps, display devices, biology and many other fields. Especially, phosphors with controllable morphology and multicolor tunable luminescence have many virtues. Thus, the synthesis of suitable phosphors is very important. Among all the synthesis methods, hydrothermal method stands ou... Show More
  • Smart Hospital-Room and Modern Photonics Emerging Clinical Reality Based on Optical Systems

    Basile Spyropoulos

    Issue: Volume 7, Issue 1, June 2018
    Pages: 18-31
    Received: Dec. 09, 2017
    Accepted: Dec. 27, 2017
    Published: Jan. 19, 2018
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    Abstract: Numerous solutions have been proposed for the emerging “Smart Hospital-Room”, however, there is little progress made yet. Interesting approaches include the Amplion Smart (er) Room of the Future, the IBM-UPMC (University of Pittsburgh Medical-Center), the NXT-Health-program of the US-Department of Defense and the EU-Agency for Network and Informati... Show More
  • Analysis on Photo Emission and Absorbing Spectrum on GaN Sample by Finite Difference Time Domain Method

    Phyoe Sandar Win, Kathy Kyaw Min, Hla Myo Tun, Zaw Min Naing, Win Khaing Moe

    Issue: Volume 7, Issue 1, June 2018
    Pages: 32-37
    Received: Jun. 24, 2018
    Accepted: Jul. 05, 2018
    Published: Jul. 31, 2018
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    Abstract: III-Nitride semiconductors are especially capable for both electronics and optical devices. The capability of the III-Nitride semiconductors as light emitters to extent the electromagnetic spectrum from deep ultraviolet light, throughout the whole visible region, and into the infrared part of the spectrum, is a significant characteristic, making th... Show More
  • Photoluminescence and Lifetime Measurement for the Excitation and Temperature Dependence of Carrier Relaxation in III-V Semiconductors

    Kathy Kyaw Min, Phyoe Sandar Win, Hla Myo Tun, Zaw Min Naing, Win Khaing Moe

    Issue: Volume 7, Issue 1, June 2018
    Pages: 38-42
    Received: Jun. 24, 2018
    Accepted: Jul. 06, 2018
    Published: Aug. 02, 2018
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    Abstract: Researches in the field of III-V semiconductor photonic devices have initiate applications in a number of disciplines including lighting, optical communications and biomedical engineering. One of the limiting factors for getting better the photonic devices is the carrier relaxation time. This is the time obligatory for energetic carriers to cool to... Show More
  • Solving Nonlinear Evolution Equations by (G'/G)-Expansion Method

    Attia Rani, Munazza Saeed, Muhammad Ashraf, Rakshanda Zaman, Qazi Mahmood-Ul-Hassan, Kamran Ayub, Muhammad Yaqub Khan, Madiha Afzal

    Issue: Volume 7, Issue 1, June 2018
    Pages: 43-53
    Received: Jun. 24, 2018
    Accepted: Jul. 13, 2018
    Published: Aug. 08, 2018
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    Abstract: Nonlinear mathematical models and their solutions attain much attention in soliton theory. In this paper, main focus is to find travelling wave solutions of foam drainage equation and NLEE of fourth order. (G'/G)-expansion method is applied on these nonlinear differential equations. Wave transformation is used to convert nonlinear partial different... Show More
  • Group Theory Analyses of Fano Resonance Spectra in the System of C3v and C4v Metallic Multinanoparticles-Thin Film

    Mengjun Li, Xiaoming Li

    Issue: Volume 7, Issue 1, June 2018
    Pages: 54-60
    Received: Jul. 26, 2018
    Accepted: Aug. 13, 2018
    Published: Sep. 04, 2018
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    Abstract: The original mechanism of Fano resonance spectrum dip resulting from the system of metallic multinanoparticles-thin film belonging to C3v and C4v is deduced in detail using group theory. Based on our previous study, this paper verifies that there is only four LSPP electric dipole moment resonant modes in the system of Cnv mutinanoparticles-thin fil... Show More