A method of manufacturing an optical element having a good reflection preventing characteristic is provided in which {HEAD ~ an irregularity structure} having a reflection preventing function can be formed at {TAIL ~ low temperature} 
formed at
A method of manufacturing an optical element having a good reflection preventing characteristic is provided in which { HEAD ~ an irregularity structure } having a reflection preventing function can be formed at { TAIL ~ low temperature }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL