alphaoptics

1.insensitive to wavelength, angle of incidence and polarization. 2.Perkin-Elmer Lambda 900 UV/VIS/NIR spectrophotometer MaterialCofficient of Thermal ExpansionCost FeaturesBK77.5*10-6/°Clowhigh homogenerty and low bubblePyrex3.25*10-6/°C lowbest, low expansion, resistant to thermal shockUV Fused Silica 0.52*10-6/°C highexcellent stability, high laser damage resistanceZerodur 0+-0.1*10-6/°C ...