Refractive
Indices |
|
|
|
|
706.5 |
1.57687 |
|
656.3 |
1.57897 |
|
643.8 |
1.57955 |
|
632.8 |
1.58011 |
|
589.3 |
1.58260 |
|
587.6 |
1.58271 |
|
546.1 |
1.58569 |
|
486.1 |
1.59151 |
|
480.0 |
1.59227 |
|
435.8 |
1.59862 |
|
404.7 |
1.60468 |
|
365.0 |
1.61535 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.4514720 |
|
-6.5118879 10 |
|
1.937734210 |
|
-3.063764710 |
|
1.017498510 |
|
-3.927035610 |
|
Relative Partial
Dispersions |
|
0.2986 |
|
0.2485 |
|
0.2374 |
|
0.2342 |
|
0.5673 |
|
0.4999 |
|
|
|
-0.0002 |
|
0.0007 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
1 |
|
1 |
|
1 |
|
ThermalProperties |
.gif)
|
528 |
.gif)
|
606 |
|
475 |
|
518 |
|
81 |
|
88 |
|
Mechanical
Properties |
|
442 |
|
|
|
6477 |
|
2619 |
|
0.237 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
35/32 |
|
|
|
Other Properties |
|
3.28 |
| |
|
|
Internal
Transmittance |
|
|
|
2400 |
0.931 |
0.867 |
2200 |
0.945 |
0.893 |
2000 |
0.973 |
0.947 |
1800 |
0.986 |
0.973 |
1600 |
0.997 |
0.994 |
1400 |
0.998 |
0.996 |
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 |
0.999 |
0.998 |
700 |
0.998 |
0.997 |
650 |
0.998 |
0.997 |
600 |
0.998 |
0.997 |
550 |
0.998 |
0.996 |
500 |
0.997 |
0.995 |
480 |
0.997 |
0.994 |
460 |
0.996 |
0.993 |
440 |
0.996 |
0.992 |
420 |
0.995 |
0.991 |
400 |
0.994 |
0.989 |
390 |
0.992 |
0.984 |
380 |
0.988 |
0.976 |
370 |
0.985 |
0.971 |
360 |
0.975 |
0.951 |
350 |
0.949 |
0.901 |
340 |
0.89 |
0.79 |
330 |
0.72 |
0.52 |
320 |
0.36 |
0.13 |
310 |
0.08 |
|
300 |
|
|
290 |
|
|
280 |
|
|
|
1.58271 
46.47
0.012540 
1.58569 
46.07
0.012714