OPTICAL MATERIAL AND OPTICAL PART EACH CONTAINING AROMATIC SULFIDE COMPOUND AND AROMATIC SULFIDE COMPOUND

摘要

Optical materials with improved heat resistance, especially dopant-type GI POFs with improved heat resistance are provided. These optical materials each comprises at least one aromatic sulfide compound represented by the following formula (1): <CHEM> wherein n stands for an integer of from 2 to 12, k stands for an integer of from 1 to n, A represents a substituted or unsubstituted, n-valent carbocyclic aromatic ring or heterocyclic aromatic ring, and B<1> to B<n> each independently represent a substituted or unsubstituted, carbocyclic aromatic group or heterocyclic aromatic group.