The 10Q20BB.2 is an Ultra-broadband Dielectric Mirror with a 25.4 inch diameter, 6.35 mm thickness, and absolute Reflectivity > 99% at an AOI of 0-50°, from 650-1130 nm. Newport’s Ultra-broadband mirrors are IBS coated with layers of dielectric materials to use for high reflection and high damage threshold in a wide wavelength regime. The BB.2 coated mirror covers the visible to near IR wavelengths (650-1130nm).
波长区域
NIR
波长范围
650-1130 nm
镜片形状
Round
镜片尺寸
Ø25.4 mm
材料
UV Grade Fused Silica
镀膜类型
Ultra-broadband Dielectric
镀膜代码
BB.2
表面质量
20-10 scratch-dig
表面平面度
λ/10 at 632.8 nm
楔形
<3 arc min
通光孔径
≥central 80% of diameter
反射率
Rs, Rp>99% @ 610-1130 nm at 45° AOI
损伤阈值
2 J/cm2 at 20 ns, 20 Hz at 1064nm
厚度
6.35 mm
厚度公差
±0.25 mm
直径
25.4 mm
直径公差
±0.25 mm
倒角
0.51 ± 0.25 mm face width bevel mm face width
倒角公差
45°
清洁
10 q20bb。2是一个Ultra-broadband介质镜直径25.4英寸,6.35毫米的厚度,和绝对反射率> 99%的AOI 0-50°,从650 - 1130 nm。纽波特公司的超宽带反射镜是一种涂有介电材料层的IBS,用于宽波长范围内的高反射和高损伤阈值。BB.2涂层反射镜覆盖了近红外波长(650-1130nm)的可见光。