Refractive
Indices |
|
|
|
|
706.5 |
1.60535 |
|
656.3 |
1.60805 |
|
643.8 |
1.60882 |
|
632.8 |
1.60953 |
|
589.3 |
1.61278 |
|
587.6 |
1.61293 |
|
546.1 |
1.61686 |
|
486.1 |
1.62463 |
|
480.0 |
1.62562 |
|
435.8 |
1.63428 |
|
404.7 |
1.64264 |
|
365.0 |
1.65775 |
|
Constants of Dispersion
Formula |
|
2.5328468 |
|
-7.9699440 10 |
|
2.304340510 |
|
4.705095610 |
|
2.500047910 |
|
1.989884210 |
|
Relative Partial Dispersions
|
|
0.2942 |
|
0.2448 |
|
0.2370 |
|
0.2339 |
|
0.5816 |
|
0.5150 |
|
|
|
-0.0006 |
|
-0.0012 |
|
Chemical
Properties |
|
Grade |
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|
3 |
.gif)
|
2 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
400 |
.gif)
|
450 |
|
410 |
|
435 |
|
|
|
|
|
Mechanical
Properties |
|
440 |
|
0.59 |
|
5740 |
|
2350 |
|
0.221 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
35/32 |
|
|
|
Other Properties |
|
3.50 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.915 |
0.837 |
2200 |
0.940 |
0.884 |
2000 |
0.970 |
0.941 |
1800 |
0.982 |
0.964 |
1600 |
0.994 |
0.988 |
1400 |
0.998 |
0.997 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.999 |
1000 |
0.999 |
0.999 |
950 |
0.999 |
0.999 |
900 |
0.999 |
0.999 |
850 |
0.999 |
0.999 |
800 |
0.999 |
0.999 |
700 |
0.999 |
0.999 |
650 |
0.999 |
0.999 |
600 |
0.999 |
0.999 |
550 |
0.999 |
0.999 |
500 |
0.999 |
0.999 |
480 |
0.999 |
0.999 |
460 |
0.999 |
0.998 |
440 |
0.999 |
0.998 |
420 |
0.999 |
0.998 |
400 |
0.997 |
0.995 |
390 |
0.996 |
0.991 |
380 |
0.993 |
0.985 |
370 |
0.989 |
0.977 |
360 |
0.978 |
0.956 |
350 |
0.95 |
0.90 |
340 |
0.87 |
0.76 |
330 |
0.63 |
0.39 |
320 |
0.18 |
0.03 |
310 |
0.06 |
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.61293 
36.96
0.016582 
1.61686 
36.70
0.016806