Refractive
Indices |
|
|
|
|
706.5 |
1.58450 |
|
656.3 |
1.58619 |
|
643.8 |
1.58666 |
|
632.8 |
1.58710 |
|
589.3 |
1.58904 |
|
587.6 |
1.58913 |
|
546.1 |
1.59142 |
|
486.1 |
1.59581 |
|
480.0 |
1.59635 |
|
435.8 |
1.60100 |
|
404.7 |
1.60531 |
|
365.0 |
1.61262 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
|
2.4861499 |
|
-9.5684845 10 |
|
1.468505910 |
|
-1.121648710 |
|
4.197877710 |
|
-1.885619010 |
|
Relative Partial Dispersions
|
|
0.3058 |
|
0.2550 |
|
0.2385 |
|
0.2367 |
|
0.5402 |
|
0.4798 |
|
|
|
-0.0006 |
|
-0.0012 |
|
Chemical
Properties |
|
Grade |
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|
1 |
.gif)
|
3 |
|
2 |
|
3 |
|
ThermalProperties |
.gif)
|
610 |
.gif)
|
660 |
|
569 |
|
606 |
|
64 |
|
70 |
|
Mechanical
Properties |
|
615 |
|
1.00 |
|
8495 |
|
3392 |
|
0.252 |
|
Stress-Optical
Coefficient |
|
|
|
Coloration Code |
|
35/30 |
|
|
|
Other Properties |
|
3.26 |
|
|
|
Internal
Transmittance |
|
|
|
2400 |
0.88 |
0.77 |
2200 |
0.930 |
0.865 |
2000 |
0.978 |
0.956 |
1800 |
0.984 |
0.968 |
1600 |
0.990 |
0.980 |
1400 |
0.998 |
0.997 |
1200 |
0.999 |
0.998 |
1060 |
0.999 |
0.999 |
1000 |
0.999 |
0.999 |
950 |
0.999 |
0.999 |
900 |
0.999 |
0.999 |
850 |
0.999 |
0.999 |
800 |
0.999 |
0.999 |
700 |
0.999 |
0.999 |
650 |
0.999 |
0.998 |
600 |
0.999 |
0.999 |
550 |
0.999 |
0.999 |
500 |
0.998 |
0.997 |
480 |
0.998 |
0.996 |
460 |
0.997 |
0.995 |
440 |
0.997 |
0.994 |
420 |
0.996 |
0.993 |
400 |
0.996 |
0.992 |
390 |
0.994 |
0.988 |
380 |
0.992 |
0.985 |
370 |
0.986 |
0.972 |
360 |
0.978 |
0.957 |
350 |
0.958 |
0.918 |
340 |
0.93 |
0.86 |
330 |
0.87 |
0.75 |
320 |
0.76 |
0.58 |
310 |
0.60 |
0.36 |
300 |
0.37 |
0.14 |
290 |
0.14 |
0.02 |
280 |
|
|
|
1.58913 
61.25
0.009618
1.59142
61.01
0.009694