The term photochemical pertains to chemical processes or reactions that are initiated or influenced by the absorption of light. Photochemical reactions involve the interaction of light, often in the form of ultraviolet or visible radiation, with...

A method of producing disks for erasable optical data storage. Information is recorded by a laser beam that generates pits...

Deep ultraviolet (DUV or deep-UV) refers to a specific range of ultraviolet light with shorter wavelengths than those in the...

Short-lived molecular or atomic particles, with an unpaired electron, that play an important part in many photochemical...

A device, also called a fluorescence lifetime instrument, that measures decay curves of fluorescing samples. It generally...

A unit of energy equal to the amount of energy absorbed by one molecule of material undergoing a photochemical reaction, as...

A light therapy that utilizes nonionizing light sources, including lasers, LEDs, and broadband light, in the visible and...

A light-harvesting protein found in the purple membrane of a micro-organism called Halobacterium halobium. The protein...

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

The photochemical reaction of light present in the decomposition of a substance.

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

Electromagnetic energy that is capable of producing photochemical activity.

A device that measures the intensity of photochemically active radiation, particularly from the sun. One form of this...

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

An instrument used to detect and measure radiant energy by the formation of a chemical reaction.

Also known as mesosphere. A level of the atmosphere, extending from the stratosphere to the ionosphere, that is noted for...

A polymer produced as a result of photochemical processes.

The study concerned with the stimulation of chemical activity by laser light as a result of the absorption of photons by a...

Photochromic refers to a property exhibited by certain materials, typically organic compounds or dyes, which undergo...