Refractive
Indices |
|
![](images/nm.gif)
|
|
![](images/nr.gif)
|
706.5 |
1.50619 |
![](images/nc.gif)
|
656.3 |
1.50760 |
![](images/nc-.gif)
|
643.8 |
1.50800 |
![](images/Nhe-ne.gif)
|
632.8 |
1.50837 |
![](images/ND.gif)
|
589.3 |
1.51000 |
![](images/nd1.gif)
|
587.6 |
1.51007 |
![](images/ne.gif)
|
546.1 |
1.51199 |
![](images/nf.gif)
|
486.1 |
1.51565 |
![](images/nf-.gif)
|
480.0 |
1.51611 |
![](images/ng.gif)
|
435.8 |
1.51998 |
![](images/nh.gif)
|
404.7 |
1.52356 |
![](images/ni.gif)
|
365.0 |
1.52962 |
|
|
|
|
|
|
|
Constants of Dispersion
Formula |
![](images/a0.gif)
|
2.2507913 |
![](images/a1.gif)
|
-9.2442846 10![](images/-3.gif) |
![](images/a2.gif)
|
1.1089870 10![](images/-2.gif) |
![](images/a3.gif)
|
5.1327608 10![](images/-6.gif) |
![](images/a4.gif)
|
2.6970842 10![](images/-5.gif) |
![](images/a5.gif)
|
-1.4993177 10![](images/-6.gif) |
|
Relative Partial Dispersions
|
![](images/pd.gif)
|
0.3068 |
![](images/p%27d.gif)
|
0.2552 |
![](images/pe.gif)
|
0.2384 |
![](images/p%27e.gif)
|
0.2366 |
![](images/pg.gif)
|
0.5379 |
![](images/p%27g.gif)
|
0.4772 |
|
![](images/dorp.gif)
|
![](images/pf.gif)
|
-0.0005 |
![](images/pgf.gif)
|
0.0001 |
|
Chemical
Properties |
|
Grade |
![](images/rc(s).gif)
|
3 |
![](images/ra(s).gif)
|
1 |
![](images/dw.gif)
|
3 |
![](images/da.gif)
|
1 |
|
ThermalProperties |
![](images/tg(c).gif)
|
558 |
![](images/ts(c).gif)
|
633 |
![](images/t10145.gif)
|
497 |
![](images/t1013.gif)
|
542 |
![](images/a20120.gif)
|
78 |
![](images/a20300.gif)
|
86 |
|
Mechanical
Properties |
![](images/hk.gif)
|
487 |
![](images/fa.gif)
|
|
![](images/e.gif)
|
7519 |
![](images/g.gif)
|
3128 |
![](images/u.gif)
|
0.202 |
|
Stress-Optical
Coefficient |
![](images/b.gif)
|
|
|
Coloration
Code |
![](images/805.gif)
|
32/29 |
|
|
|
Other
Properties |
![](images/p.gif)
|
2.47 |
|
|
|
Internal
Transmittance |
![](images/nm.gif)
|
![](images/t5mm.gif)
|
![](images/t10mm.gif)
|
2400 |
0.89 |
0.79 |
2200 |
0.914 |
0.835 |
2000 |
0.964 |
0.929 |
1800 |
0.985 |
0.971 |
1600 |
0.997 |
0.995 |
1400 |
0.998 |
0.997 |
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 |
0.999 |
0.998 |
650 |
0.998 |
0.997 |
600 |
0.998 |
0.997 |
550 |
0.998 |
0.997 |
500 |
0.998 |
0.996 |
480 |
0.998 |
0.996 |
460 |
0.997 |
0.995 |
440 |
0.997 |
0.995 |
420 |
0.997 |
0.995 |
400 |
0.997 |
0.995 |
390 |
0.997 |
0.995 |
380 |
0.997 |
0.994 |
370 |
0.996 |
0.993 |
360 |
0.995 |
0.991 |
350 |
0.991 |
0.983 |
340 |
0.983 |
0.967 |
330 |
0.963 |
0.927 |
320 |
0.914 |
0.836 |
310 |
0.80 |
0.64 |
300 |
0.56 |
0.31 |
290 |
0.24 |
0.06 |
280 |
0.03 |
|
|