| Holmium 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 |
|
HOB445 |
2 |
0.465 |
0.427 |
94.9 |
0.341 |
0.377 |
91.9 |
1 |
1 |
1.523 |
86 |
602 |
668 |
2.65 |
|
| Technical
specifications of Holmium glass |
Grading of Holmium
glass by air bubble, strip and stress |
|
Type |
Thickness
(mm) |
241.5
(nm)
|
445
(nm)
|
|
HOB445 |
2 |
>O
|
≤5.0 |
|
|
Type |
Air
bubble |
Stripe |
Stress |
|
HOB445 |
D |
3C |
3 |
|
|
| |
|
| |
|
|
