Refractive
Indices |
|
|
|
|
706.5 |
1.54255 |
|
656.3 |
1.54454 |
|
643.8 |
1.54510 |
|
632.8 |
1.54563 |
|
589.3 |
1.54800 |
|
587.6 |
1.54811 |
|
546.1 |
1.55094 |
|
486.1 |
1.55649 |
|
480.0 |
1.55719 |
|
435.8 |
1.56329 |
|
404.7 |
1.56911 |
|
365.0 |
1.57931 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.3504951 |
|
-8.6857021 10 |
|
1.609285710 |
|
1.870591210 |
|
4.214958110 |
|
-1.321606210 |
|
Relative Partial Dispersions
|
|
0.2983 |
|
0.2483 |
|
0.2370 |
|
0.2342 |
|
0.5689 |
|
0.5041 |
|
|
|
0.0001 |
|
0.0013 |
|
Chemical
Properties |
|
Grade |
.gif)
|
3 |
.gif)
|
1 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
444 |
.gif)
|
518 |
|
384 |
|
430 |
|
80 |
|
88 |
|
Mechanical
Properties |
|
342 |
|
|
|
6112 |
|
2530 |
|
0.208 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration
Code |
|
33/31 |
|
|
|
Other
Properties |
|
2.94 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.88 |
0.77 |
2200 |
0.909 |
0.827 |
2000 |
0.955 |
0.912 |
1800 |
0.981 |
0.962 |
1600 |
0.996 |
0.993 |
1400 |
0.998 |
0.997 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.998 |
1000 |
0.998 |
0.997 |
950 |
0.997 |
0.995 |
900 |
0.997 |
0.994 |
850 |
0.997 |
0.995 |
800 |
0.997 |
0.994 |
700 |
0.997 |
0.994 |
650 |
0.997 |
0.994 |
600 |
0.997 |
0.994 |
550 |
0.997 |
0.994 |
500 |
0.996 |
0.993 |
480 |
0.996 |
0.992 |
460 |
0.995 |
0.991 |
440 |
0.995 |
0.990 |
420 |
0.995 |
0.990 |
400 |
0.995 |
0.990 |
390 |
0.994 |
0.988 |
380 |
0.991 |
0.983 |
370 |
0.991 |
0.982 |
360 |
0.988 |
0.976 |
350 |
0.981 |
0.962 |
340 |
0.962 |
0.925 |
330 |
0.910 |
0.828 |
320 |
0.75 |
0.56 |
310 |
0.35 |
0.12 |
300 |
|
|
290 |
|
|
280 |
|
|
|
1.54811 
45.87
0.011950 
1.55094 
45.57
0.012090