Yb-Doped Fiber Chirped Pulse Amplification System Delivering 1 mJ, 231 fs at 1 kHz Repetition Rate
Haitao Zhang, Jiaqi Zu, Decai Deng, Haozhen Xu, Junyu Chen
Abstract
In this paper a single-channel chirped pulse amplification laser system based on Yb-doped photonic crystal fiber was constructed, which achieved a pulse energy output of 1 mJ with a beam quality close to the diffraction limit. Pulsed synchronous pumping was used to suppress amplified spontaneous emission at a repetition rate of 1 kHz. The de-chirped pulse width of 231 fs was achieved by precise systematic dispersion control, and the corresponding peak power reached 3.85 GW.
Topics & Concepts
Chirped pulse amplificationMaterials scienceOpticsAmplified spontaneous emissionFiber laserPulse-width modulationPulse (music)Ultrashort pulseLaserPhotonic-crystal fiberOptoelectronicsDispersion (optics)Power (physics)PhysicsWavelengthDetectorQuantum mechanicsLaser-Matter Interactions and ApplicationsPhotonic Crystal and Fiber OpticsAdvanced Fiber Laser Technologies