WS-1 Diffuse Reflectance Standard, PTFE Ocean Optics



The WS-1 Diffuse Reflectance Standard is made of PTFE, a diffuse white plastic that provides a Lambertian reference surface for reflectance experiments. The WS-1 comes in an anodized aluminum housing, and is hydrophobic, chemically inert and very stable, even in deep-ultraviolet applications. It is >98% reflective from 250-1500 nm and >95% reflective from 250-2200 nm. The reflective area of the WS-1 Diffuse Reflectance Standard has a 32 mm OD. The diffusing material is encased in a small receptacle with screw-on top. The material is almost uniformly reflective (>95%) by wavelength across the entire range of 250-2000 nm.


Engineering Specifications WS-1 WS-1-SL
Dimensions: 38 mm diameter (housing) 32 mm OD, 10 mm thick (tile)
Weight: 30 g 30 g
Spectral range: 250-2000 nm 250-2500 nm
Diffusing material: PTFE Spectralon
Housing material: Aluminum Delrin
Reflectivity: >98% (250-1500 nm)>95% (250-2200 nm) 99% (400-1500 nm)>96% (250-2000 nm)



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