Refractive
Indices |
|
|
|
|
706.5 |
1.52219 |
|
656.3 |
1.52371 |
|
643.8 |
1.52414 |
|
632.8 |
1.52454 |
|
589.3 |
1.52630 |
|
587.6 |
1.52638 |
|
546.1 |
1.52847 |
|
486.1 |
1.53246 |
|
480.0 |
1.53296 |
|
435.8 |
1.53721 |
|
404.7 |
1.54115 |
|
365.0 |
1.54789 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.2978431 |
|
-9.1660266 10![]() |
|
1.118345210 |
|
4.071989610 |
|
-3.295492210 |
|
2.029522410 |
|
Relative Partial Dispersions
|
|
0.3051 |
|
0.2540 |
|
0.2389 |
|
0.2369 |
|
0.5429 |
|
0.4817 |
|
|
-0.0009 |
|
-0.0003 |
|
Chemical
Properties |
|
Grade |
.gif)
|
3 |
.gif)
|
1 |
|
2 |
|
1 |
|
ThermalProperties |
.gif)
|
515 |
.gif)
|
580 |
|
455 |
|
499 |
|
96 |
|
106 |
|
Mechanical
Properties |
|
510 |
|
|
|
6807 |
|
2761 |
|
0.233 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
33/29 |
|
|
|
Other Properties |
|
2.69 |
|
Internal
Transmittance |
|
|
|
2400 |
0.85 |
0.73 |
2200 |
0.90 |
0.81 |
2000 |
0.949 |
0.900 |
1800 |
0.978 |
0.956 |
1600 |
0.996 |
0.992 |
1400 |
0.999 |
0.998 |
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 |
0.994 |
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 |
0.991 |
420 |
0.995 |
0.991 |
400 |
0.995 |
0.991 |
390 |
0.994 |
0.989 |
380 |
0.992 |
0.984 |
370 |
0.992 |
0.984 |
360 |
0.989 |
0.978 |
350 |
0.982 |
0.964 |
340 |
0.964 |
0.929 |
330 |
0.923 |
0.852 |
320 |
0.83 |
0.69 |
310 |
0.65 |
0.42 |
300 |
0.37 |
0.14 |
290 |
0.13 |
0.02 |
280 |
|
|
|
1.52638 
60.16
0.008750 
1.52847 
59.90
0.008823