Refractive
Indices |
|
|
|
|
706.5 |
1.52608 |
|
656.3 |
1.52761 |
|
643.8 |
1.52803 |
|
632.8 |
1.52843 |
|
589.3 |
1.53020 |
|
587.6 |
1.53028 |
|
546.1 |
1.53237 |
|
486.1 |
1.53638 |
|
480.0 |
1.53688 |
|
435.8 |
1.54113 |
|
404.7 |
1.54508 |
|
365.0 |
1.55180 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.3069229 |
|
-7.7343930 10![]() |
|
1.299295210![]() |
|
-1.164196510![]() |
|
4.030610810![]() |
|
-1.834067610![]() |
|
Relative Partial Dispersions
|
|
0.3046 |
|
0.2542 |
|
0.2381 |
|
0.2360 |
|
0.5416 |
|
0.4805 |
|
|
|
0.0006 |
|
-0.0011 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
1 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
564 |
.gif)
|
645 |
|
506 |
|
553 |
|
74 |
|
84 |
|
Mechanical
Properties |
|
486 |
|
1.09 |
|
7095 |
|
2900 |
|
0.223 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration
Code |
|
33/29 |
|
|
|
Other
Properties |
|
2.74 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.90 |
0.82 |
2200 |
0.926 |
0.858 |
2000 |
0.968 |
0.937 |
1800 |
0.986 |
0.972 |
1600 |
0.997 |
0.995 |
1400 |
0.997 |
0.995 |
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 |
0.998 |
0.996 |
650 |
0.997 |
0.995 |
600 |
0.997 |
0.995 |
550 |
0.997 |
0.995 |
500 |
0.996 |
0.993 |
480 |
0.996 |
0.992 |
460 |
0.995 |
0.991 |
440 |
0.995 |
0.991 |
420 |
0.995 |
0.991 |
400 |
0.995 |
0.991 |
390 |
0.995 |
0.990 |
380 |
0.993 |
0.986 |
370 |
0.993 |
0.986 |
360 |
0.990 |
0.981 |
350 |
0.986 |
0.972 |
340 |
0.974 |
0.949 |
330 |
0.949 |
0.900 |
320 |
0.89 |
0.79 |
310 |
0.77 |
0.59 |
300 |
0.54 |
0.29 |
290 |
0.26 |
0.07 |
280 |
0.07 |
|
|
1.53028 
60.47
0.008770 
1.53237 
60.17
0.008847