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Generation of 0.7–0.8<i>μ</i>picosecond pulses in an alexandrite laser with passive mode locking
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1982
Year
Picosecond PulsesEngineeringLaser ScienceLaser ApplicationsAlexandrite LaserHigh-power LasersShort-pulse LasersOptical PropertiesPassive Mode LockingOptical SpectroscopyFiber LaserUltrafast LasersOptical PumpingPhotonicsPulse GenerationPhysicsPassive ModeUltrafast Laser PhysicsNatural SciencesSpectroscopyApplied PhysicsUltrafast Optics
Picosecond pulses of 0.7–0.8 μ wavelengths were generated in an alexandrite laser as a result of electronic-vibrational transitions 4T2→4A2+hωphonon. Passive mode locking was ensured by the use of DS1 and DTTS saturable absorbers. The duration of the pulses generated using DS1 was 8 psec at wavelengths of 0.725–0.745 μ, whereas the duration of the pulses generated using DTTS was 90 psec in the range 0.75–0.775μ.