Spectrogon
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| Brand | Spectrogon |
|---|---|
| Origin | Sweden |
| Model Series | BP, NB, LP, SP, ND |
| Substrate Materials | N-BK7, Fused Silica (Quartz), Sapphire, Silicon, Germanium, Cemented Glass |
| Diameter Tolerance | ±0.2 mm (Std. Ø25.4 mm) |
| Thickness Tolerance | ±0.2 mm |
| Out-of-Band Blocking | Avg. < 0.1% (OD > 3) |
| CWL Accuracy | ±3–10 nm (varies by model & wavelength region) |
| HW (FWHM) Tolerance | ±3–50 nm (model-dependent) |
| Peak Transmission | 40–90% (material- and design-dependent) |