A frequency comb is a precise and regular series of equally spaced spectral lines, or frequencies, that are generated with great accuracy. The term "frequency comb" is often associated with the Nobel Prize-winning technique known as frequency comb...

A vibrational transition refers to a change in the vibrational energy of a molecule. Molecules consist of atoms that are...

Ellipsometry is an optical technique used to characterize the properties of thin films and surfaces. It is based on the...

Fluorescence lifetime refers to the average time it takes for a fluorophore, a molecule that absorbs light at one wavelength...

Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...

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

A vacuum chamber is a sealed enclosure from which air and other gases are removed to create a low-pressure environment,...

Microfluidics is a multidisciplinary field that involves the manipulation and control of very small fluid volumes, typically...

A spectrophotometer is a scientific instrument used to measure the intensity of light at various wavelengths in the...

Attenuated total reflectance (ATR) spectroscopy is a technique used in analytical chemistry to obtain IR spectra of samples....

An ultrafast pulsed laser is a type of laser that emits extremely short pulses of light with durations typically on the...

Label-free refers to a technique or method that does not require the use of additional labels, tags, or markers to detect or...

FTIR (Fourier transform infrared) spectrometer is a powerful analytical instrument used to obtain an infrared spectrum of...

The study of chemical reactions stimulated by the properties of light.

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

Flow chemistry, also known as continuous-flow chemistry, is a chemical manufacturing process where reactions take place in a...

A light-sensitive detector having a chemical compound that reacts when exposed to light. It is used in photochemistry and...

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

A reagent is a substance or compound that is used in a chemical reaction to bring about a specific transformation or to...

Extremely small organic and inorganic systems of molecules within a substance. In general, systems are colloidal size in...

Circular dichroism (CD) is a spectroscopic technique used to study the structural characteristics of chiral (asymmetric)...

An emission spectrum is a graphical representation or a characteristic pattern of the wavelengths or frequencies of light...

Chirped pulse amplification (CPA) is a technique used in laser physics to amplify ultrashort laser pulses to high energies...

Luminescence is the emission of light that occurs without the involved substance undergoing a significant increase in...

Spectroscopy is a technique used in the study of interactions between matter and electromagnetic radiation. It involves...

Diffuse reflectance spectroscopy (DRS) is a nondestructive analytical technique used to investigate the optical properties...

Metrology is the science and practice of measurement. It encompasses the theoretical and practical aspects of measurement,...

A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...

In colorimetry, the phenomenon in which spectrally different radiations produce the same color sensation for a given...

In chemistry, a halide refers to a chemical compound containing one or more halogen atoms bonded to another element. The...

A femtosecond laser is a type of laser that emits ultrashort pulses of light with durations on the order of femtoseconds,...

The study of the reversible conversion of chemical energy into electrical energy. Electroplating is an electrochemical...

Cold atoms refer to atoms that have been cooled to extremely low temperatures, typically in the microkelvin (µK) to...

Immunohistochemistry (IHC) is a method for detecting antigens or haptens in cells of a tissue section by using labeled...

The study of chemical changes produced by radiation.

In chemistry, a device in which a chemical reaction takes place. In electronics, a device that introduces reactance into a...

A free-electron laser (FEL) is a type of laser that generates coherent, high-intensity electromagnetic radiation by using a...

The study of flames by means of a laser emitting blue light and a spectrometer to measure the green fluorescence created by...

Attosecond-pump attosecond-probe spectroscopy (APAP) is an advanced technique in ultrafast spectroscopy that allows...

Resonance can be defined in various contexts, including physics, chemistry, and music. Here are definitions for resonance in...

A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...

A substrate refers to a material or surface upon which another material or process is applied or deposited. In various...

An advanced technique that allows the detection of one molecule within a crystal or a cell through optical excitation....

An enzyme-linked immunosorbent assay (ELISA) is a laboratory technique used to detect and measure the presence of specific...

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

A Laurent polarimeter is an instrument used in optics for measuring the rotation of plane-polarized light caused by...

Fluorescence microscopy is a specialized optical imaging technique used in biology, chemistry, and materials science to...

Mode-locking is a technique used in lasers to produce ultrashort pulses of light with durations on the order of picoseconds,...

A synchrotron is a type of particle accelerator that uses magnetic fields to steer charged particles, typically electrons or...

Raman spectroscopy is a technique used in analytical chemistry and physics to study vibrational, rotational, and other...

Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...

Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...

An atomic absorption spectrometer (AAS) is an analytical instrument used to determine the concentration of specific chemical...

Spectral repeatability refers to the consistency and reproducibility of spectral measurements across multiple trials or...

In chemistry, the addition of an inert substance to reduce the concentration of a species. In colorimetry, addition of white...

Surface-enhanced Raman spectroscopy (SERS) is an analytical technique that combines the principles of Raman spectroscopy...

1. A device used in chemistry to compare the colors of solutions held in flat-bottomed tubes and viewed along the length of...

Chirality is a property of certain molecules and objects in which they are non-superimposable on their mirror images. In...

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