STAN-SSL Low-reflectivity Specular Reflectance Standard

The STAN-SSL Low-reflectivity Specular Reflectance Standard is a black glass standard that can be used as a  reference when measuring surfaces with low specular reflectance values such as thin film coatings, anti-reflective coatings, blocking filters and substrates. The coated surface of the STAN-SSL provides an ~4.0% reflectance across the  200-2500 nm wavelength range. The STAN-SSL is available for $524.

The STAN-SSL substrate measures 1.25" in diameter and is housed in a sturdy 1.5" x 0.75" blue anodized aluminum enclosure and protected by a screw-on top.

User's Tips

• With an Ocean Optics spectrometer, the use of the STAN-SSL is limited to 200-1100 nm.
• Use the STAN-SSL to set a low-reflectivity reference of ~4%.
• Although the black glass is a durable substrate, the user should handle it with care to maintain the integrity of its calibrated surface.
• To clean the STAN-SSL surface, first remove dirt and dust by blowing it off with a pressurized gas. Then use the drag method of cleaning to remove fingerprints and residual contaminants. In the drag method, lens tissue saturated with reagent-grade isopropyl alcohol or acetone is slowly dragged across the surface. Done correctly, the solvent will evaporate uniformly with no streaking or spotting.

STAN-HOLDER Reflectance Standard HoldeR

The STAN-HOLDER is a convenient accessory option for keeping the standard in place during measurements. STAN-HOLDER is available for $79.

STAN-SSL Specular Reflectance 

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