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| Coad | 669051 | Substrate | UVFS | |
| Type | Multi-band Dichroic Mirror | Clear Aperture | ||
| Dimension(mm) | 25.4 x 3.2 | Parallelism | <3 arcmin | |
| Diameter | 25.4mm +0/-0.1 mm | Protective Chamfer | - | |
| Thickness | 3.2mm +0/-0.3 mm | Surface Quality S1 | 40-20 | |
| HR Wavelength (nm) | 753 - 935 | Surface Quality S2 | - | |
| HT Wavelength (nm) | 480 - 710 & 1000 - 1700 | Surface Flatness | λ/4@633nm | |
| AOI(°) | 45 | Coating Type | Filter Coating / Anti-Reflection Coating | |
| Reflectivity | >95% | Coating Parameter S1 | Ravga>95%@753nm-935nm | |
| Transmittance | >97% | Coating Parameter S2 | Tavga>90%@480nm-710nm，1000nm-1700nm |
LBTEK Multiband Dichroic Mirrors feature two transmission bands and one reflection band. These dichroic mirrors provide high transmission for wavelengths shorter than the cutoff wavelength and longer than the onset wavelength, while offering high reflection within the wavelength band between the cutoff and onset points.
LBTEK Multiband Dichroic Mirrors feature two transmission bands and one reflection band. Our multiband dichroic mirrors have a cutoff wavelength of 740 nm and an onset wavelength of 940 nm. They provide an average transmission of greater than 90% in the 480–710 nm and 1000–1700 nm ranges, and an average reflectance of greater than 95% in the 753–935 nm range. One surface of the dichroic mirror is coated with a filter coating, while the other side is coated with an anti-reflection coating. The arrow indicates the filter-coated surface.
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