Applied Physics B

, Volume 98, Issue 4, pp 737–741 | Cite as

Sub-nanosecond single-frequency 10-kHz diode-pumped MOPA laser

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Abstract

A single-axial-mode, passively Q-switched (PQS) diode-pumped Nd:YAG laser, generating a diffraction-limited beam train of ≈40–60 μJ, ∼500-ps pulses with adjustable repetition rate in the range 1–10 kHz, was efficiently amplified by a single side-pumped Nd:YVO4 bounce amplifier. After double-pass amplification, ≈1-MW pulse peak power with 577-ps duration and 545-μJ energy was achieved, still maintaining diffraction-limited beam performance. The average output power was 5.45 W at 10 kHz, corresponding to 13% extraction efficiency. The high brightness of this laser system seems ideal for nonlinear optics and some particular laser processing applications.

PACS

42.55.Xi 42.60.Gd 42.60.-v 
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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  1. 1.INFN Sezione di Pavia and Dipartimento di Elettronicadell’Università di PaviaPaviaItaly

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