【摘 要】
：
介绍了在“神光”装置上进行的不同类型腔靶Ｘ射线面、体发射物理机制的实验研究。实验采用波长为１．０５３μｍ的激光，脉冲波形为高斯型，能量为５００一７００Ｊ／束，脉冲宽度为６００一１０００ｐｓ．典型靶由三个柱型腔组成，采取
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介绍了在“神光”装置上进行的不同类型腔靶Ｘ射线面、体发射物理机制的实验研究。实验采用波长为１．０５３μｍ的激光，脉冲波形为高斯型，能量为５００一７００Ｊ／束，脉冲宽度为６００一１０００ｐｓ．典型靶由三个柱型腔组成，采取双束对打，两端的腔为吸收－转换区（源区），中间腔为辐射加热的内爆区。给出源区及内爆区Ｘ射线面、体发射测量结果，并通过分析、估算给出面、体发射强度比。
The experimental research on the physical mechanism of X-ray emission and volume emission of different types of cavity targets on “SG” was introduced. Experiments using a laser wavelength of 1.053μm, the pulse waveform is Gaussian, energy 500 ~ 700J / beam, the pulse width of 600 a 1000ps. The typical target consists of three column cavities, which are bilaterally matched, with the chambers at both ends being the absorption-transition zone (source zone) and the intermediate chamber being the radiatively heated implosion zone. The source region and the implosion region X-ray plane and body emission measurement results are given, and through analysis and estimation, the ratio of surface to body emission intensity is given.
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