Refractive
Indices |
|
|
|
|
706.5 |
1.61697 |
|
656.3 |
1.61981 |
|
643.8 |
1.62061 |
|
632.8 |
1.62137 |
|
589.3 |
1.62480 |
|
587.6 |
1.62495 |
|
546.1 |
1.62911 |
|
486.1 |
1.63738 |
|
480.0 |
1.63843 |
|
435.8 |
1.64766 |
|
404.7 |
1.65661 |
|
365.0 |
1.67288 |
|
Constants of Dispersion
Formula |
|
2.5692578 |
|
-8.8888959 10![]() |
|
2.297398110![]() |
|
9.804885110![]() |
|
-3.705466110![]() |
|
5.850748310![]() |
|
Relative Partial Dispersions
|
|
0.2929 |
|
0.2437 |
|
0.2368 |
|
0.2335 |
|
0.5853 |
|
0.5181 |
|
|
|
0.0005 |
|
0.0002 |
|
Chemical
Properties |
|
Grade |
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|
3 |
.gif)
|
3 |
|
1 |
|
3 |
|
ThermalProperties |
.gif)
|
403 |
.gif)
|
452 |
|
349 |
|
384 |
|
101 |
|
116 |
|
Mechanical
Properties |
|
399 |
|
|
|
5807 |
|
2347 |
|
0.237 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
35/32 |
|
|
|
Other Properties |
|
3.60 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.87 |
0.76 |
2200 |
0.909 |
0.826 |
2000 |
0.952 |
0.907 |
1800 |
0.978 |
0.956 |
1600 |
0.997 |
0.994 |
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 |
0.998 |
0.997 |
700 |
0.997 |
0.995 |
650 |
0.996 |
0.993 |
600 |
0.996 |
0.993 |
550 |
0.996 |
0.992 |
500 |
0.995 |
0.990 |
480 |
0.994 |
0.989 |
460 |
0.994 |
0.988 |
440 |
0.993 |
0.987 |
420 |
0.993 |
0.986 |
400 |
0.991 |
0.983 |
390 |
0.988 |
0.977 |
380 |
0.984 |
0.968 |
370 |
0.978 |
0.956 |
360 |
0.962 |
0.925 |
350 |
0.927 |
0.859 |
340 |
0.83 |
0.68 |
330 |
0.57 |
0.33 |
320 |
0.15 |
0.02 |
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.62495 
35.57
0.017570 
1.62911 
35.31
0.017818