Journal of Lasers, Optics & Photonics

ISSN: 2469-410X

Open Access

Article in Press

Volume 8, Issue 3 (2021)

    Mini Review Pages: 1 - 3

    Optical Properties of MgO Thin Films Deposited on GeO2 and SiO2 Substrates

    Micheline Bejjani, Aicha Beya Far and Farid Flitti

    In this study, optical properties of magnesium oxide (MgO) thin film deposited on germania (GeO2) and silica (SiO2) were studied as a function of wavelength in the range 0.3-1.1µm using matlab. Refractive indices, extinction coefficients, and absorption coefficients were investigated. The transmittance spectra of MgO thin films of different thicknesses deposited on the different substrates were also examined. The films were found to show high transmittance and low absorbance in the visible and near infrared region. However, the absorbance of the film was found to be high in the ultraviolet. The effects of interference on transmission spectra were also considered. The results give good reason for the applications of MgO thin films in optoelectronic devices.

    Volume 8, Issue 4 (2021)

      Review Article Pages: 1 - 1

      The Effectiveness of High Intensity Laser Therapy (HILT) in the Treatment of Lateral Elbow Tendinopathy: A Systematic Review

      Dimitrios Stasinopoulos1,2*, Konstantinos Giannakou3 and Dimitrios Lamnisos3

      The aim of the present systematic review was to determine the effectiveness of High Intensity Laser Therapy (HILT) in the management of Lateral Elbow Tendinopathy (LET) and to provide recommendations based on this evidence. Methods: Randomized controlled trials (RCTs) identified by a search strategy in six databases were used in combination with reference checking. RCTs that included HILT, patients with LET, and at least one of the clinically relevant outcome measures were selected. A qualitative analysis of the selected studies was conducted using the Furlan system. Results: Three primary studies met eligibility criteria. All studies had a low risk of bias. There is no evidence for the effectiveness of HILT compared to bandage for the management of LET in the short-term. There is moderate evidence that HILT is more effective than LLLT for the management of LET in the short-term. Conclusion: HILT is a dose-response modality, and the optimal treatment dose has obviously not yet has been discovered. Further research with well-designed RCTs is required to provide meaningful evidence on the effectiveness (absolute and relative) of HILT for the management of LET. 

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Citations: 155

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