EXPANSION PROCESSES OF LASER-HEATED PLASMAS ON CARBON AND GOLD PLANAR TARGET

TANG YONG-JIAN; ZHENG ZHI-JIAN; HE HAI-EN; CHUNYU SHU-TAI; GONG MEI-XIA; LEI ZHI-YUAN; LIU JIN-YUAN

doi:10.7498/aps.38.105

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EXPANSION PROCESSES OF LASER-HEATED PLASMAS ON CARBON AND GOLD PLANAR TARGET

TANG YONG-JIAN , ZHENG ZHI-JIAN , HE HAI-EN , CHUNYU SHU-TAI , GONG MEI-XIA , LEI ZHI-YUAN , LIU JIN-YUAN

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EXPANSION PROCESSES OF LASER-HEATED PLASMAS ON CARBON AND GOLD PLANAR TARGET

TANG YONG-JIAN, ZHENG ZHI-JIAN, HE HAI-EN, CHUNYU SHU-TAI, GONG MEI-XIA, LEI ZHI-YUAN, LIU JIN-YUAN

Acta Physica Sinica. 1989, 38(1): 105-110.

doi: 10.7498/aps.38.105.

Abstract
Space-time resolved X-ray photograms of carbon (4671? thick with substrate) and gold (15μm in thickness) planar targets were obtained using a pinhole coupled to a soft X-ray streak camera. The planar targets were irradiated with laser (λ = 1.06 μm) pulses of about 100 ps duration from a LF-12 Nd: glass laser. The spectral response of the soft X-ray camera is defined to be 0.1-10 keV. Average plasma expansion velocities on the C and Au traget surface measured at a laser power density of about 1014 w/cm2 for were 5.l×107cm/s and 6.1×107 cm/s respectively.
Authors and contacts
TANG YONG-JIAN¹,

ZHENG ZHI-JIAN¹,

HE HAI-EN¹,

CHUNYU SHU-TAI¹,

GONG MEI-XIA²,

LEI ZHI-YUAN²,

LIU JIN-YUAN²

(1)中国工程物理研究院; (2)中国科学院西安光学精密机械研究所
References

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[3]	TAN WEI-HAN, XU ZHI-ZHAN. SINGLE AND DOUBLE FREQUENCY RESONANCE HEATING IN LASER-IRRADIATED PLASMAS. Acta Physica Sinica, 1977, 26(2): 133-148. doi: 10.7498/aps.26.133
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[9]	SHEN WEN-DA, ZHU SHI-TONG, WANG LI-JUN. FAST-ION EXPANSION IN A SPHERICALLY SYMMETRICAL LASER-PLASMA. Acta Physica Sinica, 1985, 34(9): 1111-1118. doi: 10.7498/aps.34.1111
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Vol. 38, Issue 1 - 1989-01-05

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EXPANSION PROCESSES OF LASER-HEATED PLASMAS ON CARBON AND GOLD PLANAR TARGET

1. (1)中国工程物理研究院; (2)中国科学院西安光学精密机械研究所

Received Date: 1988-06-11
Available Online: 2005-07-08

Abstract: Space-time resolved X-ray photograms of carbon (4671? thick with substrate) and gold (15μm in thickness) planar targets were obtained using a pinhole coupled to a soft X-ray streak camera. The planar targets were irradiated with laser (λ = 1.06 μm) pulses of about 100 ps duration from a LF-12 Nd: glass laser. The spectral response of the soft X-ray camera is defined to be 0.1-10 keV. Average plasma expansion velocities on the C and Au traget surface measured at a laser power density of about 1014 w/cm2 for were 5.l×107cm/s and 6.1×107 cm/s respectively.

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