Holmium glass

1. Characteristics

Type Thickness
(mm)
A[2856k] D65 Chemical Stability ND α×10-7
(℃)
Tg
(℃)
Ts
(℃)
S
x y Y x y Y DA DW
HOB445 2 0.465 0.427 94.9 0.341 0.377 91.9 1 1 1.523 86 602 668 2.65

2. Technical Indexes

Type Thickness
(mm)
241.5
(nm)
445
(nm)
HOB445 2 >0 ≤5.0

3. Class Of Bubble、Stripe、Stress

Type Bubble Stripe Stress
HOB445 D 3C 3

4. Transmittance


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