laser diode wikipedia - EAS
- A laser diode, ( LD ), injection laser diode ( ILD ), or diode laser is a semiconductor device similar to a light-emitting diode in which a diode pumped directly with electrical current can create lasing conditions at the diode's junction. Laser diodes can directly convert electrical energy into light.
en.wikipedia.org/wiki/Laser_diode - People also ask
See more
See all on Wikipediahttps://en.wikipedia.org/wiki/Laser_diodeA laser diode (LD, also injection laser diode or ILD, or diode laser) is a semiconductor device similar to a light-emitting diode in which a diode pumped directly with electrical current can create lasing conditions at the diode's junction. Driven by voltage, the doped p–n-transition allows for recombination of an … See more
The simple laser diode structure, described above, is inefficient. Such devices require so much power that they can only achieve … See more
Laser diodes are numerically the most common laser type, with 2004 sales of approximately 733 million units, as compared to … See more
As early as 1953 John von Neumann described the concept of semiconductor laser in an unpublished manuscript.
Following theoretical treatments of M.G. Bernard, G. … See moreLaser diodes have the same reliability and failure issues as light emitting diodes. In addition they are subject to catastrophic optical damage (COD) when operated at higher power.
Many of the advances in reliability of diode lasers in the last 20 … See moreVisible light
• 405 nm: InGaN blue-violet laser, in Blu-ray Disc and HD DVD drives
• 445–465 nm: InGaN blue laser multimode diode recently introduced (2010) for use in mercury-free high-brightness data projectors See moreWikipedia text under CC-BY-SA license- https://fr.wikipedia.org/wiki/Diode_laser
Une diode laser est un composant opto-électronique à base de matériaux semi-conducteurs.
Elle émet de la lumière monochromatique cohérente (une puissance optique) destinée, entre autres, à transporter un signal contenant des informations sur de longues distances (dans le cas d'un système de télécommunications) ou à app…Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 9 mins
- https://en.wikipedia.org/wiki/Laser_diode_rate_equations
- The laser diode rate equations model the electrical and optical performance of a laser diode. This system of ordinary differential equations relates the number or density of photons and charge carriers in the device to the injection current and to device and material parameters such as carrier lifetime, photon lifetime, and the optical gain. The ra...
- Estimated Reading Time: 5 mins
- See more
- https://en.wikipedia.org/wiki/LaserSee more on en.wikipedia.orgLasers are distinguished from other light sources by their coherence. Spatial (or transverse) coherence is typically expressed through the output being a narrow beam, which is diffraction-limited. Laser beams can be focused to very tiny spots, achieving a very high irradiance, or they can have very low divergence in order to c…
- https://en.wikipedia.org/wiki/Diode
- p–n junction diode
A p–n junction diode is made of a crystal of semiconductor, usually silicon, but germanium and gallium arsenide are also used. Impurities are added to it to create a region on one side that contains negative charge carriers (electrons), called an n-type semiconductor, and a region on th… - Schottky diode
Another type of junction diode, the Schottky diode, is formed from a metal–semiconductor junctionrather than a p–n junction, which reduces capacitance and increases switching speed.
- p–n junction diode
- https://en.wikipedia.org/wiki/Diode-pumped_solid-state_laser
A diode-pumped solid-state laser ( DPSSL) is a solid-state laser made by pumping a solid gain medium, for example, a ruby or a neodymium-doped YAG crystal, with a laser diode . DPSSLs …
- https://en.wikipedia.org/wiki/Laser_diode_thermal_desorption
Laser diode thermal desorption is an ionization technique that is coupled to mass spectrometry to analyze samples with atmospheric pressure chemical ionization. It uses a laser to thermally …
- Some results have been removed
