doi:http://dx.doi.org/10.1016/j.egypro.2018.11.181

Details

Publication Date

Tue Jan 01 2019

Journal Name

Energy Procedia

Volume

157

DOI

http://dx.doi.org/10.1016/j.egypro.2018.11.181

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Studying The Effect of The Type of Substrate on The Structural, Morphology and Optical Properties of TiO2 Thin Films Prepared by RF Magnetron Sputtering

Thin Film

substrates

Optical

Sputtering RF

Seham Hassan

Aliyah A.

Abdul- Hussain

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Publication Date

Tue Feb 28 2023

Journal Name

Iraqi Journal Of Science

Beam Shaping Technique for 5-mm Fiber-coupled Laser Diode Bars with Lens Group

Fiber-coupled

Beam shaping method

Multimode optical fiber

High-power diode laser

bars

stacks

Hind J

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In the last few years, fiber-coupled diode lasers have shown massive applications in many fields of communication and scientific research. Particularly, the pumping of solid-state lasers is a key application for more powerful diode lasers enabling good solutions in various laser micro methods like metal cutting, sintering, structuring as well as drilling. In this work, a simple beam shaping method is demonstrated for coupling a high-power semiconductor laser diode into multi-mode fiber optic using optical lenses. The optical lenses as beam transformation components are utilized to reshape the asymmetrical irradiation of the diode laser bar and to circularize the laser beam. Using this simple method, compact, high-output-power, and high-b

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(1)

Publication Date

Thu Sep 26 2024

Journal Name

Journal Of Optics

Cysteine-cupped CdSe/CdS quantum dots as an opticalbiosensor for early skin cancer detection

CdSe/CdS quantum dot

Cysteine cupped CdSe/CdS

Deformed DNA

DNA

Energy gap

Optical properties

Skin cancer

Thalfaa

Manal Midhat

Fadhel Mohammed

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This study represents an optical biosensor for early skin cancer detection using cysteine-cupped CdSe/CdS Quantum Dots (QDs). The study optimizes QD synthesis, surface, optical functionalization, and bioconjugation to enhance specificity and sensitivity for early skin cancer cell detection. The research provides insights into QD interactions with skin cancer biomarkers, demonstrating high-contrast, precise cellular imaging. Cysteine-capped CdSe/CdS absorption spectra reveal characteristic peaks for undamaged DNA, while spectral shifts indicate structural changes in skin-cancer-damaged DNA. Additionally, fluorescence spectra show sharp peaks for undamaged DNA and notable shifts and intensity variations when interacting with skin cancer. This

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