Standard-Produkte
- Durchmesser 25 mm (Dicke 12,5 mm)
- Durchmesser 50 mm (Dicke 15 mm)
- Durchmesser 100 mm (Dicke 20 mm)
- Durchmesser 150 mm (Dicke 25 mm)
- Durchmesser 200 mm (Dicke 38 mm)
Optische Planplatten aus Quarzglas (Fused Silica) dienen als Referenz bei Messungen der Ebenheit unbekannter Oberflächen. Für geringere Anforderungen sind Platten aus BK7 erhältlich. Jedes Standard-Produkt ist erhältlich jeweils aus BK7 oder Quarzglas und ein- oder beidseitig bearbeitet.
| BK7 | |
| Größen | 25 mm bis 200 mm |
| Ebenheit | λ/4 |
| Ebenheit, Rückseite | 1 bis 2 λ @ 633 nm |
| Oberflächenqualität | 60/40 scratch/dig |
| Parallelität | < 1 Minute |
| Durchmessertoleranz | ± 1 mm |
| Dickentoleranz | ± 1,5 mm |
| Oberfläche | ein- oder beidseitig |
| Quarzglas | |
| Größen | 25 mm bis 200 mm |
| Ebenheit | λ/10, λ/20 |
| Ebenheit, Rückseite | 1 bis 2 λ @ 633 nm |
| Oberflächenqualität | 60/40 scratch/dig |
| Parallelität | < 1 Minute |
| Durchmessertoleranz | ± 1 mm |
| Dickentoleranz | ± 1,5 mm |
| Oberfläche | ein- oder beidseitig |
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