Refractive
Indices |
|
|
|
|
706.5 |
1.53565 |
|
656.3 |
1.53721 |
|
643.8 |
1.53765 |
|
632.8 |
1.53806 |
|
589.3 |
1.53988 |
|
587.6 |
1.53996 |
|
546.1 |
1.54212 |
|
486.1 |
1.54625 |
|
480.0 |
1.54677 |
|
435.8 |
1.55118 |
|
404.7 |
1.55527 |
|
365.0 |
1.56225 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.3366841 |
|
-8.5003654 10 |
|
1.254460710 |
|
1.417090010 |
|
9.339075810 |
|
-3.197546510 |
|
Relative Partial Dispersions
|
|
0.3040 |
|
0.2535 |
|
0.2384 |
|
0.2364 |
|
0.5446 |
|
0.4834 |
|
|
|
0.0005 |
|
0.0006 |
|
Chemical
Properties |
|
Grade |
.gif)
|
1 |
.gif)
|
2 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
555 |
.gif)
|
627 |
|
|
|
|
|
82 |
|
88 |
|
Mechanical
Properties |
|
540 |
|
0.77 |
|
6970 |
|
2820 |
|
0.236 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
33/29 |
|
|
|
Other Properties |
|
2.84 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.88 |
0.77 |
2200 |
0.931 |
0.867 |
2000 |
0.960 |
0.922 |
1800 |
0.982 |
0.964 |
1600 |
0.995 |
0.990 |
1400 |
0.998 |
0.996 |
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 |
0.999 |
0.998 |
650 |
0.999 |
0.998 |
600 |
0.999 |
0.998 |
550 |
0.999 |
0.998 |
500 |
0.999 |
0.998 |
480 |
0.999 |
0.998 |
460 |
0.999 |
0.998 |
440 |
0.999 |
0.998 |
420 |
0.999 |
0.998 |
400 |
0.999 |
0.998 |
390 |
0.998 |
0.996 |
380 |
0.996 |
0.992 |
370 |
0.996 |
0.992 |
360 |
0.994 |
0.988 |
350 |
0.988 |
0.977 |
340 |
0.976 |
0.952 |
330 |
0.947 |
0.896 |
320 |
0.88 |
0.77 |
310 |
0.73 |
0.54 |
300 |
0.49 |
0.24 |
290 |
0.20 |
0.04 |
280 |
0.06 |
|
|
1.53996 
59.72
0.009041 
1.54212 
59.45
0.009120