Zenith Lite™ Diffuse Reflectance Targets

Zenith Lite diffuse targets provide nearly ideal diffuse Lambertian reflectance over the wavelength range from 250 nm to 2450 nm. Zenith Lite targets are constructed using a 1 mm or 2 mm thick Zenith Polymer® diffuser laminated to a 10 mm thick aluminum honeycomb structured plate that serves as a solid, lightweight backing. They are the ideal choice for both laboratory and field applications since they are lightweight and can withstand harsh environments for long exposure periods.

Zenith Polymer® reflectance material provides the highest diffuse reflectance of any known material over the UV-VIS-NIR region. The reflectance is very flat and generally > 99% over a range from 400 nm to 1500 nm and > 95% from 250 nm to 2500 nm. Surface or subsurface contamination may lower the reflectance at the extreme upper and lower ends of the spectral range. The surface and the porous structure of Zenith exhibits highly Lambertian behavior. The material is extremely hydrophobic and shows no signs of optical or physical degradation after long-term immersion testing in fresh water.

Zenith Lite 漫反射靶在 250 納米到 2450 納米的波長範圍內具有近乎理想的朗伯漫反射率。Zenith Lite 靶材採用 1 毫米或 2 毫米厚的 Zenith Polymer® 擴散器與 10 毫米厚的鋁蜂窩結構板層壓而成，作為堅實、輕質的底板。它們重量輕，可承受長時間曝光的惡劣環境，因此是實驗室和現場應用的理想選擇。

Zenith Polymer® 反射材料在紫外-可見光-近紅外區域的漫反射率是所有已知材料中最高的。反射率非常平坦，在 400 納米到 1500 納米的範圍內通常大於 99%，在 250 納米到 2500 納米的範圍內大於 95%。表面或次表面污染可能會降低光譜範圍極高端和極低端的反射率。傑尼詩 “的表面和多孔結構表現出高度的朗伯特性。這種材料具有極強的疏水性，在淡水中長期浸泡測試後，沒有任何光學或物理退化跡象。