OPTICAL MATERIAL

摘要

PROBLEM TO BE SOLVED: To realize a faster response characteristic of an optical material.

SOLUTION: An optical material includes a mother substrate 101 and a plurality of microcrystals 102 including semiconductors dispersed in the mother substrate 101. The mother substrate 101 includes a material having a band gap energy larger than that of the semiconductors constituting the microcrystals 102. An average value of a particle size distribution of the plurality of the microcrystals 102 is set at such a value that a ratio of the atomic numbers on surfaces of the microcrystals 102 with respect to the atomic numbers inside the microcrystals 102 becomes larger than 1.

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