Optical/Hologram element

特許 権利維持 PROBLEM TO BE SOLVED: To provide an optical element and hologram element exhibiting stable optical characteristics in spite of an environmental change. ; SOLUTION: A microchemical chip 100 is made of a metallic glass and a channel 2a in which a liquid sample flows is formed on the microchemical chip 100. A fine irregular structure 10 is formed on a base 2A of the channel 2a of a region A.