A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide range of wavelengths within the electromagnetic spectrum, typically from ultraviolet (UV) to near-infrared (NIR) or even...

Hydrophobic is a term used to describe substances or materials that repel or do not readily interact with water. The word...

Photodynamic inactivation (PDI) is a therapeutic approach that utilizes the combination of light, a photosensitizer, and...

A gas, such as oxygen, that improves the speed and efficiency of a laser cutter or welder when applied to the work surface,...

A monitoring technique used to measure the oxygen saturation levels in the brains of patients, commonly in operating room...

A technique for improving the structure density of thin-film coatings by bombarding the growing film with accelerated ions...

A process for the production of optical fibers. A glass bait is rotated in a traversing flame of a reaction burner....

Photoplethysmography (PPG) is a non-invasive optical technique used to detect changes in blood volume in tissues. It...

Functional near-infrared spectroscopy (fNIRS) is a non-invasive neuroimaging technique that measures changes in hemoglobin...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

The term perovskite refers to a specific crystal structure commonly found in various materials. Perovskite structures have a...

An infrared light-emitting diode (IR LED) is a semiconductor device that emits infrared light when an electric current...

A fiber optic sensor is a device that uses optical fibers to detect and measure physical, chemical, biological, or...

Hydrophilic is a term used to describe substances or materials that have an affinity for water. The word hydrophilic comes...

Van der Waals forces refer to the attractive or repulsive forces between molecules (or parts of molecules) that arise from...

Near-infrared spectroscopy (NIRS) is a non-invasive analytical technique that uses the near-infrared region of the...

Rayleigh scattering is a phenomenon that occurs when light waves interact with particles or molecules that are much smaller...

Carbonization is a process in which organic materials are heated in the absence of air, leading to the decomposition of the...

A device that uses a photoelectric cell to determine the level of oxygenation in the blood.

Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...

Phototoxicity refers to the harmful effects caused by exposure to light, particularly intense or ultraviolet (UV) light, on...

Photoimmunotherapy (PIT) is a medical treatment approach that combines elements of phototherapy and immunotherapy to target...

Heatless light emissions from living organisms caused by the combination of oxygen and pigments such as luciferin.

The green line, in the spectrum of the aurora borealis, that has a wavelength of 5577 Å; it is caused by a forbidden...

A near-infrared (NIR) camera is an imaging device designed to capture images in the near-infrared region of the...