Refractive
Indices |
|
|
|
|
706.5 |
1.57574 |
|
656.3 |
1.57804 |
|
643.8 |
1.57869 |
|
632.8 |
1.57929 |
|
589.3 |
1.58203 |
|
587.6 |
1.58215 |
|
546.1 |
1.58544 |
|
486.1 |
1.59189 |
|
480.0 |
1.59271 |
|
435.8 |
1.59982 |
|
404.7 |
1.60664 |
|
365.0 |
1.61878 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.4440594 |
|
-6.7974631 10 |
|
2.142538710 |
|
-3.854464910 |
|
1.219524410 |
|
-4.216223610 |
|
Relative Partial Dispersions
|
|
0.2968 |
|
0.2468 |
|
0.2374 |
|
0.2346 |
|
0.5727 |
|
0.5077 |
|
|
|
-0.0010 |
|
-0.0014 |
|
Chemical
Properties |
|
Grade |
.gif)
|
2 |
.gif)
|
1 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
455 |
.gif)
|
526 |
|
404 |
|
446 |
|
86 |
|
95 |
|
Mechanical
Properties |
|
416 |
|
0.81 |
|
6162 |
|
2521 |
|
0.222 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration
Code |
|
35/32 |
|
|
|
Other
Properties |
|
3.22 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.89 |
0.80 |
2200 |
0.920 |
0.846 |
2000 |
0.963 |
0.927 |
1800 |
0.984 |
0.968 |
1600 |
0.998 |
0.997 |
1400 |
0.998 |
0.997 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.998 |
1000 |
0.999 |
0.998 |
950 |
0.999 |
0.998 |
900 |
0.999 |
0.998 |
850 |
0.999 |
0.998 |
800 |
0.999 |
0.998 |
700 |
0.998 |
0.997 |
650 |
0.998 |
0.996 |
600 |
0.998 |
0.996 |
550 |
0.998 |
0.996 |
500 |
0.997 |
0.995 |
480 |
0.997 |
0.994 |
460 |
0.996 |
0.993 |
440 |
0.996 |
0.992 |
420 |
0.995 |
0.991 |
400 |
0.995 |
0.990 |
390 |
0.993 |
0.987 |
380 |
0.990 |
0.981 |
370 |
0.988 |
0.977 |
360 |
0.981 |
0.962 |
350 |
0.964 |
0.929 |
340 |
0.913 |
0.834 |
330 |
0.75 |
0.57 |
320 |
0.37 |
0.14 |
310 |
0.08 |
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.58215 
42.03
0.013852 
1.58544 
41.77
0.014017