Refractive
Indices |
|
|
|
|
706.5 |
1.63902 |
|
656.3 |
1.64210 |
|
643.8 |
1.64297 |
|
632.8 |
1.64380 |
|
589.3 |
1.64753 |
|
587.6 |
1.64769 |
|
546.1 |
1.65223 |
|
486.1 |
1.66124 |
|
480.0 |
1.66239 |
|
435.8 |
1.67251 |
|
404.7 |
1.68236 |
|
365.0 |
1.70035 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.6356161 |
|
-8.8396420 10 |
|
2.564478110 |
|
9.652237410 |
|
-1.830479810 |
|
5.556351710 |
|
Relative Partial Dispersions
|
|
0.2923 |
|
0.2430 |
|
0.2368 |
|
0.2334 |
|
0.5887 |
|
0.5210 |
|
|
|
-0.0001 |
|
0.0006 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
3 |
|
1 |
|
2 |
|
ThermalProperties |
.gif)
|
430 |
.gif)
|
480 |
|
425 |
|
437 |
|
94 |
|
|
|
Mechanical
Properties |
|
410 |
|
0.57 |
|
5330 |
|
2160 |
|
0.235 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
36/33 |
|
|
|
Other Properties |
|
3.84 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.949 |
0.900 |
2200 |
0.960 |
0.922 |
2000 |
0.970 |
0.941 |
1800 |
0.988 |
0.976 |
1600 |
0.996 |
0.992 |
1400 |
0.999 |
0.998 |
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 |
0.998 |
0.997 |
480 |
0.998 |
0.996 |
460 |
0.997 |
0.994 |
440 |
0.996 |
0.992 |
420 |
0.994 |
0.989 |
400 |
0.990 |
0.981 |
390 |
0.984 |
0.969 |
380 |
0.976 |
0.953 |
370 |
0.963 |
0.928 |
360 |
0.93 |
0.87 |
350 |
0.85 |
0.73 |
340 |
0.66 |
0.43 |
330 |
0.28 |
0.08 |
320 |
|
|
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.64769 
33.84
0.019142 
1.65223 
33.59
0.019419