896962.fig.002a
(a)
896962.fig.002b
(b)
Figure 2: Dependences of photoconductivity relaxation time on 𝑅 / 𝐿 𝑛 and 𝑆 ; 𝑟 0 = 0 . 1 (a), 𝑟 0 = 0 . 0 5 (b).