Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample.

 

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Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample.

Infrared Radiation: Electromagnetic radiation with wavelength longer than visible light but shorter than that of microwaves. Infrared radiation is produced by hot objects; absorption of infrared radiation cause . . . View Full Definition

Spectroscopy: Spectroscopy is analysis of the interaction between electromagnetic radiation and matter. Different types of radiation interact in characteristic ways with different samples of matter; the i . . . View Full Definition

Absorption Spectroscopy: A technique for determining the concentration and structure of a substance by measuring the amound of electromagnetic radiation the sample absorbs at various wavelengths.

Infrared Focus: See ir setting.

Infrared: The long wave, electromagnetic radiation of radiant heat emitted by all hot objects. On the electromagnetic spectrum, it can be found between microwave radiation and visible light. Water vap . . . View Full Definition

Infrared Compensation Index: Used to compensate the focus for black and white infrared film. Color ir film generally does not require compensation.

Infrared Data Association (IrDA): A membership organization founded in 1993 and dedicated to developing standards for wireless, infrared transmission systems between computers. With IrDA ports, a laptop or PDA can exchange d . . . View Full Definition

Wavenumber: The number of wave crests per unit distance. Wavenumber is the reciprocal of wavelength. Wavenumbers are used extensively in infrared spectroscopy, and usually have units of cm-1.