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Kvantovaya Elektronika, 1976, Volume 3, Number 7, Pages 1585–1590 (Mi qe11709)  

This article is cited in 6 scientific papers (total in 6 papers)

Self-focusing limitation of brightness in amplification of ultrashort pulses in neodymium glass and yttrium aluminum garnet

A. N. Zherikhin, Yu. A. Matveets, S. V. Chekalin
Full-text PDF (974 kB) Citations (6)
Abstract: An experimental investigation was made of ultrashort pulses generated in yttrium aluminum garnet (YAG) and amplified in YAG and neodymium glass. When the power density was less than 3–5 GW/cm2, the main mechanism which limited the amplified power was large-scale self-focusing of the amplified radiation in the active media, which altered greatly the laser beam divergence. Conditions were found under which this self-focusing was avoided completely. The investigated self-focusing produced, around the main beam, a scattered-radiation halo of divergence much greater than the beam divergence. The proportion of the laser beam energy lost to the halo increased with the amplification, so that beginning from a certain stage further amplification simply resulted in a reduction in the brightness. In this situation the enrgy density in the amplified beam could still be below the damage threshold of the active medium.
Received: 18.09.1975
English version:
Soviet Journal of Quantum Electronics, 1976, Volume 6, Issue 7, Pages 858–860
DOI: https://doi.org/10.1070/QE1976v006n07ABEH011709
Document Type: Article
UDC: 621.375.9:535
PACS: 42.65.Hw, 42.60.Nj
Language: Russian


Citation: A. N. Zherikhin, Yu. A. Matveets, S. V. Chekalin, “Self-focusing limitation of brightness in amplification of ultrashort pulses in neodymium glass and yttrium aluminum garnet”, Kvantovaya Elektronika, 3:7 (1976), 1585–1590 [Sov J Quantum Electron, 6:7 (1976), 858–860]
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  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Квантовая электроника Quantum Electronics
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