Refractive
Indices |
|
|
|
|
706.5 |
1.52661 |
|
656.3 |
1.52845 |
|
643.8 |
1.52897 |
|
632.8 |
1.52945 |
|
589.3 |
1.53162 |
|
587.6 |
1.53172 |
|
546.1 |
1.53431 |
|
486.1 |
1.53935 |
|
480.0 |
1.53999 |
|
435.8 |
1.54546 |
|
404.7 |
1.55064 |
|
365.0 |
1.55972 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.3044884 |
|
-8.3782321 10 |
|
1.442434210 |
|
3.337431110 |
|
-4.465745610 |
|
1.334992910 |
|
Relative Partial Dispersions
|
|
0.2999 |
|
0.2498 |
|
0.2378 |
|
0.2353 |
|
0.5603 |
|
0.4968 |
|
|
|
-0.0008 |
|
-0.0024 |
|
Chemical
Properties |
|
Grade |
.gif)
|
3 |
.gif)
|
1 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
436 |
.gif)
|
504 |
|
384 |
|
427 |
|
85 |
|
95 |
|
Mechanical
Properties |
|
400 |
|
|
|
6237 |
|
2576 |
|
0.210 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
33/30 |
|
|
|
Other Properties |
|
2.78 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.87 |
0.75 |
2200 |
0.90 |
0.81 |
2000 |
0.950 |
0.902 |
1800 |
0.979 |
0.958 |
1600 |
0.996 |
0.993 |
1400 |
0.997 |
0.995 |
1200 |
0.998 |
0.996 |
1060 |
0.999 |
0.998 |
1000 |
0.998 |
0.996 |
950 |
0.998 |
0.997 |
900 |
0.998 |
0.996 |
850 |
0.997 |
0.995 |
800 |
0.998 |
0.997 |
700 |
0.998 |
0.996 |
650 |
0.997 |
0.995 |
600 |
0.997 |
0.995 |
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 |
0.992 |
0.985 |
370 |
0.992 |
0.985 |
360 |
0.989 |
0.979 |
350 |
0.984 |
0.968 |
340 |
0.969 |
0.938 |
330 |
0.927 |
0.860 |
320 |
0.81 |
0.65 |
310 |
0.48 |
0.23 |
300 |
0.10 |
0.01 |
290 |
|
|
280 |
|
|
|
1.53172 
48.76
0.010905 
1.53431 
48.48
0.011022