Absolute Total Reflectance Spectra of Very Small Objects using an Integrating Sphere
Correct positioning of very small samples to acquire accurate spectra can be very challenging. This application note demonstrates an easy-to-fabricate holder that is suitable for many small samples, and shows the measurement of absolute total reflectance using this sample holder.
Best of the Week: SciX Award Interviews, Tip-Enhanced Raman Scattering
June 13th 2025Top articles published this week include an interview about aromatic–metal interactions, a tutorial article about the recent advancements in tip-enhanced Raman spectroscopy (TERS), and a news article about using shortwave and near-infrared (SWIR/NIR) spectral imaging in cultural heritage applications.
Hyperspectral Imaging for Walnut Quality Assessment and Shelf-Life Classification
June 12th 2025Researchers from Hebei University and Hebei University of Engineering have developed a hyperspectral imaging method combined with data fusion and machine learning to accurately and non-destructively assess walnut quality and classify storage periods.
