Refractive
Indices |
|
|
|
|
706.5 |
1.65091 |
|
656.3 |
1.65306 |
|
643.8 |
1.65368 |
|
632.8 |
1.65424 |
|
589.3 |
1.65680 |
|
587.6 |
1.65691 |
|
546.1 |
1.65996 |
|
486.1 |
1.66591 |
|
480.0 |
1.66665 |
|
435.8 |
1.67306 |
|
404.7 |
1.67908 |
|
365.0 |
1.68949 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.6855889 |
|
-4.8751030 10 |
|
2.126763010 |
|
-1.810223310 |
|
6.191448810 |
|
-1.948356410 |
|
Relative Partial Dispersions
|
|
0.3001 |
|
0.2497 |
|
0.2371 |
|
0.2349 |
|
0.5569 |
|
0.4948 |
|
|
|
0.0011 |
|
-0.0018 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
3 |
|
1 |
|
3 |
|
ThermalProperties |
.gif)
|
652 |
.gif)
|
693 |
|
589 |
|
626 |
|
78 |
|
85 |
|
Mechanical
Properties |
|
508 |
|
|
|
8592 |
|
3359 |
|
0.279 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
38/34 |
|
|
|
Other Properties |
|
3.77 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.906 |
0.820 |
2200 |
0.956 |
0.914 |
2000 |
0.982 |
0.965 |
1800 |
0.991 |
0.982 |
1600 |
0.996 |
0.993 |
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 |
0.998 |
0.996 |
800 |
0.997 |
0.994 |
700 |
0.996 |
0.992 |
650 |
0.995 |
0.991 |
600 |
0.995 |
0.991 |
550 |
0.995 |
0.991 |
500 |
0.994 |
0.988 |
480 |
0.992 |
0.985 |
460 |
0.991 |
0.982 |
440 |
0.989 |
0.979 |
420 |
0.987 |
0.974 |
400 |
0.977 |
0.954 |
390 |
0.963 |
0.928 |
380 |
0.938 |
0.880 |
370 |
0.88 |
0.78 |
360 |
0.76 |
0.58 |
350 |
0.54 |
0.29 |
340 |
0.21 |
0.05 |
330 |
|
|
320 |
|
|
310 |
|
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.65691 
51.12
0.012850 
1.65995 
50.88
0.012970