| 摘要 |
A main object of the present invention is to provide a novel optical power limiting material of high performance being less susceptible to damages caused by heat occurring when an intensified laser beam is irradiated, having reversible characteristic and exhibiting a stable optical power limiting effect; production of the optical power limiting is simple and economical. The optical power limiting material of the present invention comprises a transparent substrate and an oxide(s) of at least one metal selected from the group consisting of of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Nb, Mo, Ru, In, Sn, Sb, Ta, W, Re, Os, Ir and Bi.
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