infrared-emitting diode

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• Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …   Wikipedia

• light-emitting diode — /luyt i mit ing/. See LED. [1965 70] * * * ▪ electronics       in electronics, a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many electronic devices as indicator lamps …   Universalium

• Infrared lamp — Infrared lamps are electrical devices which emit infrared radiation. Infrared lamps have many uses, but are most commonly used in communication and heating.Infrared HeatingInfrared heating uses infrared lamps to transmit infrared radiation to the …   Wikipedia

• light-emitting diode (LED) — Semiconductor diode that produces visible or infrared light when subjected to an electric current, as a result of electroluminescence. Visible light LEDs are used in many electronic devices as indicator lamps (e.g., an on/off indicator) and, when …   Universalium

• Diode — Figure 1: Closeup of a diode, showing the square shaped semiconductor crystal (black object on left) …   Wikipedia

• Diode-pumped solid-state laser — A frequency doubled green laser pointer, showing internal construction. Cells and electronics lead to a laser head module (see lower diagram) This contains a powerful 808 nm IR diode laser that pumps a Nd:YVO4 laser crystal, that in turn outputs… …   Wikipedia

• Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …   Wikipedia

• Vertical-external-cavity surface-emitting-laser — A vertical external cavity surface emitting laser (VECSEL) is a small semiconductor laser similar to a vertical cavity surface emitting laser (VCSEL). VECSELs are used primarily as near infrared devices in laser cooling and spectroscopy, but have …   Wikipedia

• Near infrared spectroscopy — (NIRS) is a spectroscopic method utilising the near infrared region of the electromagnetic spectrum (from about 800 nm to 2500 nm). Typical applications include pharmaceutical, medical diagnostics (including blood sugar and oximetry), food and… …   Wikipedia

• Near-infrared spectroscopy — Near IR absorption spectrum of dichloromethane showing complicated overlapping overtones of mid IR absorption features. Near infrared spectroscopy (NIRS) is a spectroscopic method that uses the near infrared region of the electromagnetic spectrum …   Wikipedia

• IRED — Infrared Emitting Diode …   Acronyms