| Customization: | Available |
|---|---|
| After-sales Service: | Repair for free |
| Warranty: | 1 year |
|
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| Items | Description | |
| Biconcave Lens | Material: | CaF2,monocrystal |
| Diameter: | 25.4+0.0/-0.1mm | |
| Center thickness: | 2.0+/-0.1mm | |
| Focal length: | -50mm+/-3%@632.8nm | |
| ROC1: | 22.85mm,CC | |
| ROC2: | 22.85mm,CC | |
| Flatness: | S1&S2:PV<1/4L@632nm | |
| Surface quality: | S1&S2:40-20 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | <0.25mmx45deg | |
| Coating: | S1&S2:AR coating,Rabs<0.5%@700-900nm,AOI:0deg | |
| LIDT:>2.5J/cm2,20ns,10Hz@800nm | ||
| Standard: | MIL-PRF-13830B | |
| Control code | Control items | Inspection instrument/method |
| CPG | Diameter: | Mitutoyo Vernier caliper |
| Surface Quality: | Naked eye test& 15W LED cold light | |
| Flatness: | ZYGO interferometer | |
| Centerness: | TRIOPTICS center instrument or CPG customized instrument | |
| Chamfer: | Magnifier X6& naked eye test | |
| Coating: | Agilent Cary 7000 |
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