略語大辞典 [Opt] 29 MMR maximum metal reflector 最大反射金属鏡.maximum metal reflector; an opticalmirror; has a reflectivity of 99.9% at10.6 ?m wavelengths and at 0゜ AOI(angle of incidence); ref. Au(bare gold), Ag(bare silver), PS(protected silver), EG(enhanced gold), ES(enhancedsilver), SES(super-enhance 丸善「略語大辞典」JLogosID : 11861353