Haian HengXing Optical Components Factory

Selective absorption colored filter glass->Didymium glass Characteristic

Didymium 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
PNB586 2 0.453 0.384 52.7 0.297 0.307 52.5 2 1 1.537 90 598 669 2.81
Technical Indexes
Type Thickness
(mm)		 586
(nm)
PNB586 2 ≤1.0
Class Of Bubble、Stripe、Stress
Type Air bubble Stripe Stress
PNB586 D-C 3C 3
The spectrogram of Didymium glass
Holmium 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
HOB445 2 0.465 0.427 94.9 0.341 0.377 91.9 1 1 1.523 86 602 668 2.65
Technical Indexes
Type Thickness
(mm)		 241.5
(nm)		 445
(nm)
HOB445 2 >0 ≤5.0
Class Of Bubble、Stripe、Stress
Type Air bubble Stripe Stress
HOB445 D 3C 3
The spectrogram of Holmium glass
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