Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...

Terahertz (THz) radiation underpins many next-generation technologies and advances in materials science, but current THz ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This echelon diffraction grating came ...

Abstract: We demonstrate a chip-scale spectrometer based on subwavelength grating microring resonators, achieving a bandwidth of 114 nm and a resolution of 40 pm. Using a spectral reconstruction ...

Wasatch Photonics has expanded its Cobra OCT spectrometer product line with an innovative design capable of achieving significantly greater imaging depth than other 800 nm OCT spectrometers. The Cobra ...

This article explains the "Raman Concatenation", a measurement approach that can overcome several trade-offs. In general, fluorescence impacts many Raman measurements, necessitating the adoption of ...

A team of researchers from Texas A&M University has taken a smartphone camera and a Raman spectrometer and combined them to create a device capable of identifying drugs, chemicals and biological ...

A smartphone records the Raman spectrum of an unknown material (an ethanol solution, in this case) for further analysis. Credit: Texas A&M University Engineering The affordable, cellphone-based Raman ...

Image credits: Texas A&M. Imagine knowing which berry or mushroom is safe to eat during a hike or swiftly detecting pathogens in a hospital setting that would traditionally require days to identify.

…while Vanderbilt develops laser-based method for “liquid biopsies”. Smartphone records the Raman spectrum of a target substance. Identification and detection of drugs, chemicals and biological ...