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lasing threshold [1 record]

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Alphabetical list of terms

Record 1 2001-08-17

English

Subject field(s)
  • Lasers and Masers
DEF

The discharge current at which the gain of the laser just equals the losses.

DEF

The lowest excitation level at which a laser's output is dominated by stimulated emission rather than spontaneous emission.

CONT

Light radiates from the laser in a narrow-angled cone. As the current increases, the optical amplifier gain increases. When the amplifier gain equals the mirror loss, the lasing threshold is reached; the laser begins to oscillate above threshold current.

French

Domaine(s)
  • Masers et lasers
DEF

seuil laser : Énergie minimum d'excitation nécessaire pour le fonctionnement de l'oscillateur laser.

Spanish

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