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      Blue Glass
Selective absorption glass filter - Band pass filter
Blue glass Characteristic
Type Thickness
(mm)
A[2856k] D65 Chemical Stability ND α×10-7
(/℃)
Tg
(℃)
Ts
(℃)
S
x y Y x y Y DA DW
QB38 1 0.471 0.418 80       6 5 1.532 98 452   2.76
QB39 1 0.364 0.431 66       6 5 1.512 97 322   2.74

Blue glass technical indexes and class of bubble, stripe, stress
Type Thickness
(mm)
350
(nm)
405
(nm)
514
(nm)
633
(nm)
694
(nm)
1060
(nm)
Bubble Stripe Stress
QB38 1 ≥73.6 ≥85.6 ≥87.4 ≤61.6 ≤29.4 ≤5.5 C-B 3C 3
QB39 1 ≥54.6 ≥77.4 ≥84.6 ≤27.3 ≤2.7 ≤0.091 C-B 3C 3

Blue glass's spectra
Blue glass

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