Generation of submicrojoule high harmonics using a long gas jet in a two-color laser field
I Jong KimKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaGae Hwang LeeKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaSeung Beom ParkKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaYong Soo LeeKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaTae Keun KimKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaChang Hee NamKorea Advanced Institute of Science and Technology Department of Physics and Coherent X-Ray Research Center, , 373-1, Kuseong-dong, Yuseong-gu, Daejeon 305-701, KoreaTomáš MocekInstitute of Physics Department of X-ray Lasers, , PALS Centre Na Slovance 2, 182 21 Prague 8, Czech RepublicKrzysztof JakubczakInstitute of Physics Department of X-ray Lasers, , PALS Centre Na Slovance 2, 182 21 Prague 8, Czech Republic
2008en
ABI
Аннотация
We have achieved very efficient high-harmonic generation in a two-color laser field using a long gas jet of He. With the optimization of laser parameters and target conditions, strong harmonics were produced at 2(2n+1)th orders in an orthogonally polarized two-color field. The strongest harmonic at the 38th order (21.6nm) reached an energy of 0.6μJ with a 6mm gas jet, giving a conversion efficiency as high as 2×10−4.
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Показатели — AkademScholar · Скоро