Chen Zhongyu, He Guozhen. Set-up for static test of phase transition materials for optical disks[J]. Chinese Journal of Lasers, 1987, 14(10): 627
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This paper describes a set-up for static teat, of erasable phase transition disc mate-rials. It has a power density of more than 8mW/um2, light spot of 1um and variable exposuretime of 0.1 μs to 1 ms