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规格
• Material: GERMANIUM; N-TYPE; MONOCRYSTALLINE
材料:锗(GERMANIUM);N 型;单晶体
• Lattice Orientation: <111>
晶格取向:<111>
• Resistivity: 5–20 OHM-CM
电阻率:5–20 欧姆·厘米(OHM-CM)
• Inclusions: 1 / 10 × 0.25
杂质包含:1 / 10 × 0.25
• Average Optical Transmission: ≥ 40.0% over the 8–12 µm waveband (uncoated polished 4mm thick plano/plano witness piece)
平面/平面未经涂层抛光的 4mm 厚见证片在 8–12 微米波段的平均光学透过率不低于 40.0%
• Note: Excludes effects of inter-surface reflections
注:不包括界面间反射的影响
• R1 Radius: +80.155mm / +80.177mm
R1 曲率半径:+80.155mm / +80.177mm
• R2 Radius: -75.844mm / -75.823mm
R2 曲率半径:-75.844mm / -75.823mm
• Edge Contact Curves: 4–20 µm
曲线边缘接触:4–20 微米
• Diameter: 131.00mm / 130.90mm
直径:131.00mm / 130.90mm
• ETV: < 0.030mm
有效透镜厚度(ETV):< 0.030mm
• Center Thickness (C/T): 4.35mm / 4.30mm
中心厚度(C/T):4.35mm / 4.30mm
• Chamfer R1 & R2: 0.3 / 0.5mm × 45°
倒角 R1 和 R2:0.3 / 0.5mm × 45°
• Surface Polishing Quality: 40-20
表面抛光质量:40-20
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