| Didymium 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 |
|
PNB586 |
2 |
0.453 |
0.384 |
52.7 |
0.297 |
0.307 |
52.5 |
2 |
1 |
1.537 |
90 |
598 |
669 |
2.81 |
|
| Technical
specifications of Didymium glass |
Grading of Didymium
glass by air bubble, strip and stress |
|
Type |
Thickness
(mm) |
586
(nm)
|
|
PNB586 |
2 |
≤1.0 |
|
|
Type |
Air
bubble |
Stripe |
Stress |
|
PNB586 |
D-C |
3C |
3 |
|
|
| |
|
| |
|
|
