Infrared glass characteristics

Type Thickness (mm) A[2856k] D65 Chemical stability ND α×10-7 (/℃) Tg (℃) Ts (℃) S x y Y x y Y DA DW HWB1 1 0.612 0.260 0.2 0.325 0.111 0.1 1 3 1.525       2.53 HWB3 1             1 3 1.525       2.53 HWB4 1             1 3 1.5253       2.53

Technical specifications of Infrared glass Grading of Infrared glass by air bubble, strip and stress Type Thickness (mm) 400 (nm) 700 (nm) 800 (nm) 860 (nm) 900 (nm) 1100 (nm) HWB1 1 ≤14.0 ≤6.0 ≤30.0     ≥85.5 HWB3 1 ≤0.5 ≤1.0   ≤37.0   ≥75.0 HWB4 1 ≤0.1   ≤5.0   ≤38.0 ≥75.0 Type Air bubble Stripe Stress HWB1 C-B 4 3 HWB3 C-B 4 3 HWB4 C-B 4 3