Laser Driver for a Photoinjector of an Electron Linear Accelerator (February 2014)

Laser Driver for a Photoinjector of an Electron Linear Accelerator (February 2014)

The presented laser driver for a photoinjector of an electron linear accelerator delivers 10-ps long laser pulses with the energy of 1.85 μJ at the wavelength of 262 nm. Laser pulses irradiating with the repetition rate of 10 MHz form the rectangular 800-μ s long pulse trains with 18.5-W mean power...

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Veröffentlicht in:IEEE journal of quantum electronics 2014-07, Vol.50 (7), p.522-529
Hauptverfasser: Gacheva, Ekaterina I., Poteomkin, Anatoly K., Khazanov, Efim A., Zelenogorskii, Victor V., Katin, Eugeny V., Luchinin, Grigory A., Balalykin, Nikolay I., Minashkin, Vladimir F., Nozdrin, Mikhail A., Trubnikov, Grigory V., Shirkov, Grigory D.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Crystals
Distortion
Envelopes
Harmonic analysis
Laser excitation
Lasers
Lenses
Linear accelerators
Modulators
Optical fiber amplifiers
Optical fiber polarization
Repetition
Trains
Wavelengths
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Beschreibung
Zusammenfassung:The presented laser driver for a photoinjector of an electron linear accelerator delivers 10-ps long laser pulses with the energy of 1.85 μJ at the wavelength of 262 nm. Laser pulses irradiating with the repetition rate of 10 MHz form the rectangular 800-μ s long pulse trains with 18.5-W mean power inside them. The pulse train repetition rate is 10 Hz. Short-lived absorption centers accumulating in BBO fourth-harmonic generator crystal cause significant distortion of the pulse train envelope. The envelope remains rectangular due to precompensating of these distortions in the fiber acousto-optical modulator with fast varying transmission.
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2014.2323472