Absorption of ultrashort intense lasers in laser–solid interactions<xref ref-type="fn" rid="cpb142026fn1">*</xref>

Absorption of ultrashort intense lasers in laser–solid interactions*

Sheng Zheng-Ming^a),^b),^†, Weng Su-Ming^a), Yu Lu-Le^a), Wang Wei-Min^c), Cui Yun-Qian^c), Chen Min^a), Zhang Jie^a)

Fig. 5. Spatial distributions of a ion density, b charge density, c E y , and d E x at time t #cod#x003D; 21.25 T 0 , where the normalized laser a 0 #cod#x003D; 0.5, initial electron density n e #cod#x003D; 10 n c , and grating parameters d 1 , d 2 , h #cod#x003D; 200,200,200 nm. e Absorption coefficient as a function of grating grove height h for d 1 #cod#x003D; d 2 #cod#x003D; 200 nm, where the four curves are the results for different laser amplitudes and plasma densities. [ 24 ]