NEWPORT 优铂特 KPX621-C MgF 2可见光N-BK7平凸透镜
NEWPORT 优铂特 KPX621-C MgF 2可见光N-BK7平凸透镜 平凸透镜，N-BK7，25.4 mm 直径，450 mm EFL，400-700 nm The KPX621-C N-BK7 Plano-Convex Lens is a 400-700 nm anti-reflection coated, 25.4 mm diameter N-BK7 plano-convex lens with an effective focal length of 450 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common optical glass, and it provides great performance at a good value. 参数 透镜形状 Plano-Convex 直径 25.4 mm 透镜材料 N-BK7 增透膜 400-700 nm 涂层类型 Visible Single-Layer MgF2 涂层代码 -C 损伤阈值 7 J/cm², 10 ns pulses, 20 Hz at 532 nm 表面质量 60-40 scratch-dig ...
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货号：
KPX621-C
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描述
NEWPORT 优铂特 KPX621-C MgF 2可见光N-BK7平凸透镜
平凸透镜，N-BK7，25.4 mm 直径，450 mm EFL，400-700 nm
The KPX621-C N-BK7 Plano-Convex Lens is a 400-700 nm anti-reflection coated, 25.4 mm diameter N-BK7 plano-convex lens with an effective focal length of 450 mm. It has = λ/2 surface irregularity, 60-40 scratch-dig. N-BK7 is an excellent material for most visible and near infrared applications. It is the most common optical glass, and it provides great performance at a good value.
参数
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透镜形状Plano-Convex
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直径25.4 mm
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透镜材料N-BK7
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增透膜400-700 nm
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涂层类型Visible Single-Layer MgF2
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涂层代码-C
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损伤阈值7 J/cm², 10 ns pulses, 20 Hz at 532 nm
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表面质量60-40 scratch-dig
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表面精度，不规则性λ/2
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表面精度，功率2.5 λ
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F/＃17.7
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有效焦距450 mm
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后焦距447.80 mm
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曲率半径233.424 mm
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边缘厚度3.0 mm
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中心厚度3.35 mm
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主平面 2-2.20 mm
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对中≤3 arc min
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倒角0.25-0.75 mm
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倒角公差45° ±15°, typical
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焦距公差±2 %
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直径公差+0/-0.15 mm
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中心厚度公差±0.2 mm
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通光孔径≥central 90% of diameter
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清洁See How to Clean Optics
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