| OHARA | L-LAH85V |
854404 859401 |
||||||
| Brechzahl |  |
1.85400 | Abbe Zahl |  |
40.4 | Dispersion |  |
0.02115 |
| 1.854000 | 40.38 | 0.021151 | ||||||
 |
1.859025 |  |
40.13 |  |
0.021407 | |||
Brechzahlen |
||
 |
||
 |
2.32542 | 1.80740 |
 |
1.97009 | 1.81425 |
 |
1.52958 | 1.82188 |
 |
1.12864 | 1.82934 |
 |
1.01398 | 1.83207 |
 |
0.85211 | 1.83714 |
 |
0.76819 | 1.84079 |
 |
0.70652 | 1.84423 |
 |
0.65627 | 1.84772 |
 |
0.64385 | 1.84871 |
 |
0.6328 | 1.84964 |
 |
0.58929 | 1.85381 |
 |
0.58756 | 1.85400 |
 |
0.54607 | 1.85903 |
 |
0.48613 | 1.86887 |
 |
0.47999 | 1.87012 |
 |
0.44157 | 1.87929 |
 |
0.435835 | 1.88090 |
 |
0.404656 | 1.89116 |
 |
0.365015 | 1.90923 |
 |
0.334148 | |
 |
0.326106 | |
Thermische Eigenschaften |
||
| Untere Kühltemp. (°C) |
StP |
|
| Obere Kühltemp. (°C) |
AP |
|
| Transformationstemp. (°C) |
Tg |
613 |
| Ausdehnungsgrenze (°C) |
At |
653 |
| Erweichungstemp. (°C) |
SP |
|
| Wärmeausdehnungs- koeffizient   |
-30~+70°C |
63 |
+100~+300°C |
77 |
|
Wärmeleitfähigkeit |
k |
0.819 |
Mechanische Eigenschaften |
||
Elastizitätsmodul |
E |
|
| Torsionsmodul |
G |
|
| Poissonzahl |  |
|
| Knoop Härte | Hk |
650 [7] |
| Schleifhärte | Aa |
61 |
Photoelastische Konstante |
 |
1.83 |
Teildispersion |
|
 |
0.015652 |
 |
0.006929 |
 |
0.006279 |
 |
0.011304 |
 |
0.026903 |
 |
0.012031 |
 |
0.010254 |
 |
0.028327 |
 |
0.016640 |
 |
0.010316 |
 |
0.011091 |
 |
0.039114 |
Abweichung relativer Teildispersion |
|
 |
0.0039 |
 |
0.0028 |
 |
-0.0089 |
 |
-0.0073 |
 |
-0.0476 |
Konstanten der Dispersionsformel |
||
326 ~ 1129 nm |
||
 |
1.97460503 | |
 |
3.61903592 |  |
 |
1.38433241 | |
 |
1.01854258 |  |
 |
3.84829118 | |
 |
1.03713627 |  |
1129 ~ 2325 nm |
||
|
||
|
||
|
||
|
||
|
||
|
||
Chemische Eigenschaften |
||
| Wasserresistenz (P) | RW(P) |
1 |
| Säureresistenz (P) | RA(P) |
3 |
| Klimaresistenz (S) | W(S) |
4 |
| Säureresistenz (S) | SR |
3.2 |
| Phosphatresistenz | PR |
1.0 |
| P = Pulvergruppe, S = Oberflächengruppe | ||
Andere Eigenschaften |
|||
| Blasenqualitätsgruppe | B |
||
| Spezifische Dichte | d |
5.25 |
|
| Färbung |  |
380 |
|
 |
340 |
||
| |
|||
Relative Teildispersion |
|
 |
0.7400 |
 |
0.3276 |
 |
0.2969 |
 |
0.5344 |
 |
1.2719 |
 |
0.5688 |
 |
0.4848 |
 |
1.3393 |
 |
0.7773 |
 |
0.4819 |
 |
0.5181 |
 |
1.8272 |
Reintransmissionsgrad |
||
 |
 |
 |
280 |
||
290 |
||
300 |
||
310 |
||
320 |
||
330 |
||
340 |
0.050 |
|
350 |
0.300 |
|
360 |
0.580 |
|
365 |
||
370 |
0.770 |
|
380 |
0.860 |
|
390 |
0.915 |
|
400 |
0.944 |
|
420 |
0.971 |
|
440 |
0.981 |
|
460 |
0.987 |
|
480 |
0.992 |
|
500 |
0.995 |
|
550 |
0.999 |
|
600 |
0.999 |
|
650 |
0.999 |
|
700 |
0.999 |
|
800 |
0.999 |
|
900 |
0.999 |
|
1000 |
0.999 |
|
1200 |
0.999 |
|
1400 |
0.999 |
|
1600 |
0.998 |
|
1800 |
0.992 |
|
2000 |
0.973 |
|
2200 |
0.933 |
|
2400 |
0.770 |
|
Temperaturkoeffizienten der Brechzahl |
||||||||
Temperatur- bereich (°C) |
dn / dt relativ  |
|||||||
t |
C' |
He-Ne |
D |
e |
F' |
g |
i |
|
| -40 ~ -20 | 5.9 |
6.7 |
6.8 |
7.1 |
7.4 |
8.2 |
9.0 |
|
| -20 ~ 0 | 5.8 |
6.7 |
6.8 |
7.1 |
7.4 |
8.3 |
9.2 |
|
| 0 ~ 20 | 5.8 |
6.8 |
6.9 |
7.1 |
7.5 |
8.4 |
9.3 |
|
| 20 ~ 40 | 5.9 |
6.9 |
6.9 |
7.2 |
7.6 |
8.5 |
9.5 |
|
| 40 ~ 60 | 6.0 |
7.0 |
7.0 |
7.4 |
7.8 |
8.7 |
9.7 |
|
| 60 ~ 80 | 6.1 |
7.1 |
7.2 |
7.5 |
7.9 |
8.9 |
9.9 |
|