The 20D520BD.1 is a ValuMax® Dielectric Visible Broadband Mirror 50.8 x 50.8 mm square, with a thickness of 12.0 mm, and flatness of λ/10. By taking advantage of advanced polishing techniques and our high volume manufacturing, ValuMax® mirrors are truly cost effective. This family of mirrors boasts seven standard metallic and dielectric broadband coatings, covering the UV, visible, and IR; and are available in 12.7, 19.05, 25.4, and 50.8 mm (0.5, 0.75, 1.0, and 2.0 in.) diameters and square sizes utilizing Borofloat® 33 substrates. This mirror has a 60-40 surface quality and is coated for 488-694 nm.

• 波长区域

  VIS

• 波长范围

  488-694 nm

• 镜片形状

  Square

• 镜片尺寸

  50.8 x 50.8 mm

• 材料

  Borofloat® 33

• 镀膜类型

  Broadband Dielectric

• 镀膜代码

  BD.1

• 表面质量

  60-40 scratch-dig

• 表面平面度

  λ/10 at 632.8 nm

• 基板编号

  20SD520

• 入射角

  0-45°

• 通光孔径

  ≥central 80% of diameter

• S2 表面

  Ground

• 反射率

  Rs,avg>99%, Rp,avg>98% @ 488-694 nm

• 损伤阈值

  500 W/cm² CW, 1 J/cm², 10 ns pulses within the wavelength range, typical

• 厚度

  12.7 mm  

• 厚度公差

  ±0.25 mm

• 倒角

  0.38-1.14 mm face width

• 倒角公差

  45° ±15°

• 清洁

  See How to Clean Optics

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20 d520bd。1是一个ValuMax®介电可见宽带镜子广场50.8 x 50.8毫米,12.0毫米的厚度,和平坦的λ/ 10。利用先进的抛光技术和高容量生产、ValuMax®镜子是真正的成本效益。这个系列的镜子拥有七个标准的金属和介质宽带涂层，覆盖紫外线，可见光和红外;和在12.7,19.05,25.4,50.8毫米(0.5,0.75,1.0,2.0)。直径和广场大小利用Borofloat®33基质。这面镜子的表面质量为60-40，涂层为488-694纳米。