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High-harmonic generation by resonant plasmon field enhancement

Author

Listed:
  • Seungchul Kim

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

  • Jonghan Jin

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

  • Young-Jin Kim

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

  • In-Yong Park

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

  • Yunseok Kim

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

  • Seung-Woo Kim

    (Billionth Uncertainty Precision Engineering Group, KAIST, Daedeok Science Town, Daejeon 305-701, South Korea)

Abstract

Extreme UV made easier The properties of coherent EUV (extreme ultraviolet) light make it a prime candidate for exciting technological applications. At present though, the equipment needed to generate the short wavelength light is costly and bulky. A new system described in this issue could reduce both cost and bulk. It uses the conventional principle of high-harmonic generation via the interaction of a femtosecond laser pulse with a gas, but adopts a novel concept of amplifying light via local plasmon field enhancement. The beam from a modest femtosecond laser is focused onto a nanostructure consisting of bow-tie-shaped gold elements on a sapphire substrate. This may enable the construction of a laptop-sized EUV light source at a reasonable cost.

Suggested Citation

  • Seungchul Kim & Jonghan Jin & Young-Jin Kim & In-Yong Park & Yunseok Kim & Seung-Woo Kim, 2008. "High-harmonic generation by resonant plasmon field enhancement," Nature, Nature, vol. 453(7196), pages 757-760, June.
    • Handle: RePEc:nat:nature:v:453:y:2008:i:7196:d:10.1038_nature07012
    DOI: 10.1038/nature07012
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