| OHARA | L-LAL67 |
669554 672552 |
||||||
| Brechzahl |  |
1.66910 | Abbe Zahl |  |
55.4 | Dispersion |  |
0.01208 |
| 1.669100 | 55.39 | 0.012079 | ||||||
 |
1.671980 |  |
55.16 |  |
0.012182 | |||
Brechzahlen |
||
 |
||
 |
2.32542 | 1.63293 |
 |
1.97009 | 1.63988 |
 |
1.52958 | 1.64719 |
 |
1.12864 | 1.65343 |
 |
1.01398 | 1.65544 |
 |
0.85211 | 1.65889 |
 |
0.76819 | 1.66121 |
 |
0.70652 | 1.66333 |
 |
0.65627 | 1.66542 |
 |
0.64385 | 1.66601 |
 |
0.6328 | 1.66656 |
 |
0.58929 | 1.66899 |
 |
0.58756 | 1.66910 |
 |
0.54607 | 1.67198 |
 |
0.48613 | 1.67750 |
 |
0.47999 | 1.67819 |
 |
0.44157 | 1.68320 |
 |
0.435835 | 1.68407 |
 |
0.404656 | 1.68953 |
 |
0.365015 | 1.69886 |
 |
0.334148 | |
 |
0.326106 | |
Thermische Eigenschaften |
||
| Untere Kühltemp. (°C) |
StP |
|
| Obere Kühltemp. (°C) |
AP |
|
| Transformationstemp. (°C) |
Tg |
485 |
| Ausdehnungsgrenze (°C) |
At |
521 |
| Erweichungstemp. (°C) |
SP |
|
| Wärmeausdehnungs- koeffizient   |
-30~+70°C |
84 |
+100~+300°C |
104 |
|
Wärmeleitfähigkeit |
k |
0.925 |
Mechanische Eigenschaften |
||
Elastizitätsmodul |
E |
1071 |
| Torsionsmodul |
G |
418 |
| Poissonzahl |  |
0.280 |
| Knoop Härte | Hk |
570 [6] |
| Schleifhärte | Aa |
121 |
Photoelastische Konstante |
 |
1.96 |
Teildispersion |
|
 |
0.009983 |
 |
0.004211 |
 |
0.003676 |
 |
0.006556 |
 |
0.014972 |
 |
0.006569 |
 |
0.005461 |
 |
0.014784 |
 |
0.010568 |
 |
0.005971 |
 |
0.006211 |
 |
0.020665 |
Abweichung relativer Teildispersion |
|
 |
0.0199 |
 |
0.0056 |
 |
-0.0102 |
 |
-0.0081 |
 |
-0.0373 |
Konstanten der Dispersionsformel |
||
326 ~ 1129 nm |
||
 |
1.10974374 | |
 |
6.26230534 |  |
 |
1.20552031 | |
 |
5.31546965 |  |
 |
1.92438085 |  |
 |
9.49177322 |  |
1129 ~ 2325 nm |
||
|
||
|
||
|
||
|
||
|
||
|
||
Chemische Eigenschaften |
||
| Wasserresistenz (P) | RW(P) |
4 |
| Säureresistenz (P) | RA(P) |
4 |
| Klimaresistenz (S) | W(S) |
3 |
| Säureresistenz (S) | SR |
53.1 |
| Phosphatresistenz | PR |
40.0 |
| P = Pulvergruppe, S = Oberflächengruppe | ||
Andere Eigenschaften |
|||
| Blasenqualitätsgruppe | B |
||
| Spezifische Dichte | d |
3.51 |
|
| Färbung |  |
36 |
|
 |
29 |
||
| |
|||
Relative Teildispersion |
|
 |
0.8265 |
 |
0.3486 |
 |
0.3043 |
 |
0.5428 |
 |
1.2395 |
 |
0.5438 |
 |
0.4521 |
 |
1.2239 |
 |
0.8675 |
 |
0.4901 |
 |
0.5099 |
 |
1.6964 |
Reintransmissionsgrad |
||
 |
 |
 |
280 |
||
290 |
||
300 |
0.110 |
|
310 |
0.170 |
|
320 |
0.380 |
|
330 |
0.560 |
|
340 |
0.720 |
|
350 |
0.830 |
|
360 |
0.905 |
|
365 |
||
370 |
0.947 |
|
380 |
0.969 |
|
390 |
0.980 |
|
400 |
0.986 |
|
420 |
0.991 |
|
440 |
0.993 |
|
460 |
0.995 |
|
480 |
0.997 |
|
500 |
0.998 |
|
550 |
0.999 |
|
600 |
0.998 |
|
650 |
0.998 |
|
700 |
0.999 |
|
800 |
0.999 |
|
900 |
0.999 |
|
1000 |
0.999 |
|
1200 |
0.999 |
|
1400 |
0.996 |
|
1600 |
0.995 |
|
1800 |
0.986 |
|
2000 |
0.963 |
|
2200 |
0.900 |
|
2400 |
0.670 |
|
Temperaturkoeffizienten der Brechzahl |
||||||||
Temperatur- bereich (°C) |
dn / dt relativ  |
|||||||
t |
C' |
He-Ne |
D |
e |
F' |
g |
i |
|
| -40 ~ -20 | ||||||||
| -20 ~ 0 | ||||||||
| 0 ~ 20 | ||||||||
| 20 ~ 40 | ||||||||
| 40 ~ 60 | ||||||||
| 60 ~ 80 | ||||||||