Hydrophobic is a term used to describe substances or materials that repel or do not readily interact with water. The word hydrophobic comes from the Greek words "hydro," meaning water, and "phobos," meaning fear. Hydrophobic substances typically...

A phenomenon, exploited for medical imaging, in which the nuclei of material placed in a strong magnetic field will absorb...

An array of lines in the infrared region of the emission spectrum of atomic hydrogen. Their wave numbers are expressed by...

A saturated compound of carbon and hydrogen used as a liquid coating material for optical components in high-power laser...

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

Inertial confinement fusion (ICF) is a method of achieving nuclear fusion, a process where two atomic nuclei combine to...

The photographic recording of gas bubbles produced when particles traverse liquid hydrogen in a bubble chamber.

A 2-million W, 2.7-µm-wavelength hydrogen-fluoride laser used as a directed energy weapon.

The term "Rydberg atom" refers to an atom in a highly excited state where one or more of its electrons are in a Rydberg...

An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...

A technique in photometry that uses an oxyhydrogen or oxyacetylene flame to optically excite a solution containing the...

A large tank filled with liquid hydrogen, with a flat window at one end and complex optical devices for observing and...

Nonlinear optical materials are substances that exhibit optical properties that are not linearly proportional to the...

The hydrogen-derived, ultraviolet radiation running from 1216 to 512 A, discovered by Theodore Lyman in 1914.

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

Inertial fusion energy (IFE) refers to a proposed method of generating electricity by harnessing the energy released from...

A photoreceptor material used in solar cells and in drums for laser printers and high-speed copiers because of its high...

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

A vacuum pump in which pressure is reduced by condensing gases on surfaces cryogenically cooled to about 20 K (liquid...

Laws that predict the maximum power output as a function of tube diameter for a hydrogen cyanide laser of a given discharge...

Specially designed optics for the observation and photographing of hydrogen in a bubble chamber.

Fusion ignition refers to the point in a controlled nuclear fusion reaction where the energy released by the fusion...

Basically, a hydrogen atom with two alterations, positronium is the lightest atom in the universe and has an extremely light...

Hyperchromic shift refers to an increase in the absorption of light, leading to a higher absorbance, often observed in...

An instrument in which an image of the sun is scanned by the entrance slit of a monochromator, the exit slit simultaneously...

Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...

A gas laser having a mixture of gases that makes it useful in the lab. The mixture of gases flows through a pressure and...

A vapor-phase oxidation process for fabricating graded-index optical fibers. It differs from outside vapor phase deposition...

Mathematical compensation for the nonhydrogenic behavior of recombination radiation levels of gases, based on the quantum...