Product advantages
?High reflectivity, R>99.5%, AOI=0-45°
?High damage threshold
?RoHS compliant
| Material | BK7, UV fused silica, etc. |
| Dimension tolerance | +0/-0.2mm |
| Thickness tolerance | ±0.2mm |
| Clear Aperture | >90% |
| Surface Quality | 60/40 sctrach and dig |
| Flatness | <λ/10@633nm per 25mm |
| Chamfer | Protected <0.5mmx45deg |
| Coating | Dielectric HR coating on one surface, R>99.5% for random polarization, AOI=0-45° rear surface ground or inspection polished |
| Damage threshold | >1J/cm2, 20ns, 20Hz, @1064nm |
| Part Number | Material | Diameter (mm) | Thickness (mm) | Wavelength (nm) | AOI (°) |
| BMIRD12.7T3-350-400 | BK7 | 12.7 | 3.0 | 350-400 | 0-45 |
| BMIRD25.4T6.35-350-400 | BK7 | 25.4 | 6.35 | 350-400 | 0-45 |
| BMIRD50.8T6.35-350-400 | BK7 | 50.8 | 6.35 | 350-400 | 0-45 |
| BMIRD12.7T3-400-750 | BK7 | 12.7 | 3.0 | 400-750 | 0-45 |
| BMIRD25.4T6.35-400-750 | BK7 | 25.4 | 6.35 | 400-750 | 0-45 |
| BMIRD50.8T6.35-400-750 | BK7 | 50.8 | 6.35 | 400-750 | 0-45 |
| BMIRD12.7T3-750-1100 | BK7 | 12.7 | 3.0 | 750-1100 | 0-45 |
| BMIRD25.4T6.35-750-1100 | BK7 | 25.4 | 6.35 | 750-1100 | 0-45 |
| BMIRD50.8T6.35-750-1100 | BK7 | 50.8 | 6.35 | 750-1100 | 0-45 |
| BMIRD12.7T3-1280-1600 | BK7 | 12.7 | 3.0 | 1280-1600 | 0-45 |
| BMIRD25.4T6.35-1280-1600 | BK7 | 25.4 | 6.35 | 1280-1600 | 0-45 |
| BMIRD50.8T6.35-1280-1600 | BK7 | 50.8 | 6.35 | 1280-1600 | 0-45 |
| BMIRD12.7T3-670-905 | BK7 | 12.7 | 3.0 | 670-905 | 0-45 |
| BMIRD25.4T6.35-670-905 | BK7 | 25.4 | 6.35 | 670-905 | 0-45 |
| BMIRD50.8T6.35-670-905 | BK7 | 50.8 | 6.35 | 670-905 | 0-45 |
| BMIRD12.7T3-1480-1550 | BK7 | 12.7 | 3.0 | 1480-1550 | 0-45 |
| BMIRD25.4T6.35-1480-1550 | BK7 | 25.4 | 6.35 | 1480-1550 | 0-45 |
| BMIRD50.8T6.35-1480-1550 | BK7 | 50.8 | 6.35 | 1480-1550 | 0-45 |
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