Analysis for soluble solid contents in pineapples using NIR spectroscopy by Abdul Rahim, Herlina, Seng, Chia Kim, Abdul Rahim, Ruzairi

“…Findings indicate that the best accuracy would be achieved when visible spectrum was excluded, second order Savitzky-Golay derivative with the optimal filter length was used, and the absorbance transformation was avoided…”
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Silver embedded C-TiO2 exhibits improved photocatalytic properties with potential application in waste water treatment by Mohamed Elfatih Hassan, Guanglong Liu, Eltigani Osman Musa Omer, Arafat M. Goja, Sadananda Acharya

“…Embedding of silver on C-TiO2 extends optical absorption edge of C-TiO2 to more visible spectrum and inhibits electron-hole recombination resulting in enhanced photocatalytic activity. …”
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Applying Rotation-Equivariant Deep Learning to Cloud and Road Segmentation in Satellite and Aerial Imagery by Meredith, Alex

“…We propose deep learning models trained on visible-spectrum, long-wave infrared (LWIR), and short-wave infrared (SWIR) imagery for on-orbit cloud detection. …”
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The synthesis of inorganic semiconductor nanocrystalline materials for the purpose of creating hybrid organic/inorganic light-emitting devices by Steckel, Jonathan S. (Jonathan Stephen)

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Prussian blue analogue cobalt tetracyanonickelate hexacyanochromate decorated by CNTs: structural, morphological, optical characterization by Elsayed Elgazzar

“…The films exhibit high transparency more than 70% within the visible spectrum. Besides, the optical band gap $({E}_{g})$ was estimated showing blue shift caused by CNTs support.…”
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Synthesis and Characterization of Rutile TiO₂Nanopowders Doped with Iron Ions by Mirenghi Luciana, Šojić Daniela, Abramović Biljana, Abazović Nadica, Janković Ivana, Bibić Nataša, Čomor Mirjana

“…Doping process moved absorption threshold of TiO₂into visible spectrum range. Photocatalytic activity was also checked. …”
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Image quality improvement for digital still cameras : demosaicking and de- ringing by Wang, Xiaomeng

“…To achieve cost reduction and compact design, digital still color cameras capture the visible spectrum by using a color filter array (CFA) overlaid on a single-sensor such that each pixel samples only one color channel (red, green or blue). …”
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Multiexciton dynamics in highly excited colloidal quantum dots for laser applications by Sushant, Shendre

“…Single material CQDs covering the full visible spectrum merely by size control offer a unique solution for the current laser technology. …”
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Human detection in near-infrared spectrum by Zhao, Ran

“…In daytime, both images in visible spectrum and near-infrared spectrum are collected while in nighttime only near-infrared images are collected. …”
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Visible light emissions during flash sintering of 3YSZ are thermal radiation by Bechteler, C, Kirkpatrick, A, Todd, R

“…In this work, experimental investigation of the emissions during flash sintering of the most widely studied ceramic, 3YSZ, shows that the visible spectrum can be explained completely in terms of black body (thermal) radiation resulting from the Joule heating of the specimen rather than electroluminescence. …”

There’s more to reflectance spectroscopy than lux by Beeby, A, Garner, L, Howell, D, Nicholson, C

“…The spectrometer employs an illuminance of 1250lux, equivalent to 0.5mWcm−2averaged across the visible spectrum. The spectral measurements take less than a second ensuring that the risk of sample photodegradation is minimal. …”

Simple and low-cost preparation of carbon-coated titanium dioxide via hydrothermal method by Mohd Hatta, Mohd Hayrie, Lintang, Hendrik Oktendy, Buang, Nor Aziah, Leny Yuliati, Leny Yuliati

“…On the other hand, the formation of carbon can be suggested from DR UV-visible spectrum and SEM image, which showed the additional of absorption band in the visible region and the successful formation of carbon that grew both on the surface with a unique noodle-like structure and surroundings of the TiO2 with non-uniform bulk structure, respectively.…”

Simple and low-cost preparation of carbon-coated titanium dioxide via hydrothermal method by Leny Yuliati, Leny Yuliati, Lintang, Hendrik Oktendy, Buang, Nor Aziah, Mohd. Hatta, Mohd. Hayrie

“…On the other hand, the formation of carbon can be suggested from DR UV-visible spectrum and SEM image, which showed the additional of absorption band in the visible region and the successful formation of carbon that grew both on the surface with a unique noodle-like structure and surroundings of the TiO2 with non-uniform bulk structure, respectively.…”

P3HT:Bebq₂-Based Photovoltaic Device Enhances Differentiation of hiPSC-Derived Retinal Ganglion Cells by Chih-Chen Hsu, Yi-Ying Lin, Tien-Chun Yang, Aliaksandr A. Yarmishyn, Tzu-Wei Lin, Yuh-Lih Chang, De-Kuang Hwang, Chien-Ying Wang, Yung-Yang Liu, Wen-Liang Lo, Chi-Hsien Peng, Shih-Jen Chen, Yi-Ping Yang

“…The organic photovoltaic materials such as poly-3-hexylthiophene (P3HT) can generate electric current upon illumination with light of the visible spectrum, and possesses several advantageous properties, including light weight, flexibility and high biocompatibility, which makes them a highly promising tool for electric stimulation of cells in vitro and in vivo. …”
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CdSe Species Decorated TiO2 Nanotubes Film Via Chemical Bath Deposition for Enhancing Photoelectrochemical Water Splitting Performance by Lai, Chin Wei, Lau, Kung Shiuh, Samad, Nur Azimah Abd, Chou, Pui May

“…However, nanocrystalline materials are facing few drawback such as recombination losses of charge carriers and less response under visible spectrum. Therefore, an effort to minimize the recombination losses of charge carriers and extended the spectral response of TiO2 NTs into visible spectrum by incorporating an optimum amount of lower band gap and suitable band edge position semiconductor (cadmium selenide [CdSe]) into the lattice of TiO2 NTs. …”

Control of yellow photoluminescence in AlGaN/GaN heterostructures by Nadezhda B. Gladysheva, Vadim V. Gruzdov, Yurii V. Kolkovskii, Yulii A. Kontsevoy, Evgenii F. Pevtsov

“…Photoluminescence with the peak corresponding to yellow color of the visible spectrum (so-called yellow luminescence) originates from deep levels in the GaN buffer layers of heterostructures and depends on heterostructure growth conditions. …”
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Estimation of the Alcoholic Degree in Beers through Near Infrared Spectrometry Using Machine Learning by Brais Galdo, Daniel Rivero, Enrique Fernandez-Blanco

“…This technology analyzes the electromagnetic spectrum in the band between 700 nm and 2500 nm, a band very close to the visible spectrum. Traditionally, the devices used to measure are utterly expensive and enormously bulky. …”
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Structural and Optical Properties of CuAlO2 Thin Film Prepared by Spray Pyrolysis by Azhar A. Hassan, Nuha F. Abd Al-Rushed

“…It appears that from XRD spectra the pure delaffosite phase of CuAlO2 was dominate at the ratio (1:1). UV-visible spectrum measurement showed highest absorption coefficient in the visible region at ratio (1:1). …”
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Investigation on the solubility, growth, vibrational characteristics and linear optical constants of potassium bisulphate single crystals by K. Thilaga, P. Selvarajan, S. M. Abdul Kader

“…The optical transmittance of the KHS crystal was investigated using the UV visible spectrum. Moreover, the band gap energy as well as optical constants including dielectric constant, reflectance, extinction coefficient, optical conductivity, refractive index, and electrical conductivity was reported.…”
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Tailoring electronic and optical properties of hBN/InTe and hBN/GaTe heterostructures through biaxial strain engineering by A. Šolajić, J. Pešić

“…Our investigation showcases the remarkable potential of strain engineering in rendering these heterostructures into efficient and robust wide-range absorbers, particularly optimised for the visible spectrum, underscoring their relevance in various photonic and optoelectronic applications, paving the way for integration into advanced nanodevices.…”
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