Refractive
Indices |
|
|
|
|
706.5 |
1.60388 |
|
656.3 |
0.60567 |
|
643.8 |
1.60617 |
|
632.8 |
1.60633 |
|
589.3 |
1.60872 |
|
587.6 |
1.60881 |
|
546.1 |
1.61128 |
|
486.1 |
1.61601 |
|
480.0 |
1.61660 |
|
435.8 |
1.62165 |
|
404.7 |
1.62632 |
|
365.0 |
1.63432 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.5471835 |
|
-1.0171432 10 |
|
1.445981710 |
|
3.731949810 |
|
-2.157459010 |
|
1.511211510 |
|
Relative Partial Dispersions
|
|
0.3036 |
|
0.2529 |
|
0.2388 |
|
0.2367 |
|
0.5452 |
|
0.4839 |
|
|
|
-0.0003 |
|
-0.0003 |
|
Chemical
Properties |
|
Grade |
.gif)
|
1 |
.gif)
|
3 |
|
1 |
|
3 |
|
ThermalProperties |
.gif)
|
654 |
.gif)
|
713 |
|
606 |
|
643 |
|
67 |
|
74 |
|
Mechanical
Properties |
|
516 |
|
|
|
8112 |
|
3206 |
|
0.265 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration
Code |
|
36/30 |
|
|
|
Other
Properties |
|
3.53 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.910 |
0.828 |
2200 |
0.952 |
0.906 |
2000 |
0.983 |
0.967 |
1800 |
0.992 |
0.984 |
1600 |
0.998 |
0.996 |
1400 |
0.999 |
0.998 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.998 |
1000 |
0.998 |
0.997 |
950 |
0.997 |
0.995 |
900 |
0.997 |
0.995 |
850 |
0.996 |
0.993 |
800 |
0.998 |
0.996 |
700 |
0.997 |
0.995 |
650 |
0.997 |
0.995 |
600 |
0.997 |
0.995 |
550 |
0.998 |
0.996 |
500 |
0.997 |
0.994 |
480 |
0.996 |
0.993 |
460 |
0.996 |
0.992 |
440 |
0.995 |
0.991 |
420 |
0.994 |
0.989 |
400 |
0.992 |
0.984 |
390 |
0.987 |
0.975 |
380 |
0.981 |
0.963 |
370 |
0.969 |
0.939 |
360 |
0.944 |
0.891 |
350 |
0.90 |
0.81 |
340 |
0.82 |
0.68 |
330 |
0.70 |
0.49 |
320 |
0.53 |
0.28 |
310 |
0.33 |
0.11 |
300 |
0.16 |
0.03 |
290 |
0.05 |
|
280 |
|
|
|
1.60881 
58.86
0.010344 
1.61128 
58.57
0.010437