Glass no.

Growth temperature, ˚C

570

590

600

640

685

700

718

720

730

Growth rate U(T), μm/min

1

0.045

0.125

0.25

0.68

1.25

-

1.72

1.92

2.0

2

0.036

0.125

0.31

0.44

1.12

-

1.66

1.58

-

3

0.042

0.130

0.40

0.42

1.14

1.40

1.70

1.85

-

4

0.225

0.625

1.25

3.4

6.25

8.6

-

10.0

-