Infrarot-Chalkogenid-Gläser



Lieferformen |
Dicken |
Abmaße |
|---|---|---|
| Lieferformen nach Kundenwunsch | bis zu 150 mm | Durchmesser: bis zu 95 mm |
Muster-Angebot:
|
5 mm bis zu 30 mm | Durchmesser: 10 mm bis zu 95 mm |




| Infrarot-Chalkogenid-Gläser | |||||
|---|---|---|---|---|---|
| Material-eigenschaften | IRG 22 | IRG 24 | IRG 25 | IRG 26 | IRG 27 |
| Zusammensetzung | Ge33As12Se55 | Ge10As40Se50 | Ge28Sb12Se60 | As40Se60 | As2S3 |
| Dichte | 4,41 g/cm3 | 4,47 g/cm3 | 4,66 g/cm3 | 4,63 g/cm3 | 3,20 g/cm3 |
| Wärmeausdehnung (20 – 100°C) | 12,5 · 10–6/K | 20,0 · 10–6/K | 14,0 · 10–6/K | 21,4 · 10–6/K | 22,5 · 10–6/K |
| Umwandlungs-temperatur | 368 °C | 225 °C | 285 °C | 185 °C | 197 °C |
Temperatur- koeffizient dn/dT* | 94,8 · 10–6/K (1 μm) | 46,0 · 10–6/K (1 μm) | 79,2 · 10–6/K (1 μm) | 76,2 · 10–6/K (1 μm) | 15,6 · 10–6/K (1 μm) |
| 67,7 · 10–6/K (5 μm) | 21,15 · 10–6/K (5 μm) | 62,0 · 10–6/K (5 μm) | 33,4 · 10–6/K (5 μm) | -3,2 · 10–6/K (5 μm) | |
| 67,1 · 10–6/K (10 μm) | 20,3 · 10–6/K (10 μm) | 61,1 · 10–6/K (10 μm) | 32,2 · 10–6/K (10.6 μm) | -3,7 · 10–6/K (10.6 μm) | |
| Brechungsindex | 2,5971 (1 μm) | 2,7249 (1 μm) | 2,7284 (1 μm) | 2,9316 (1 μm) | 2,4841 (1 μm) |
| 2,5104 (5 μm) | 2,6192 (5 μm) | 2,6183 (5 μm) | 2,7909 (5 μm) | 2,4129 (5 μm) | |
| 2,4968 (10 μm) | 2,6090 (10 μm) | 2,6030 (10 μm) | 2,7781 (10 μm) | 2,3842 (10 μm) | |








