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Dual Angle Reflectance Measurement System

Dual Angle Reflectance Measurement System

The Dual Angle Reflectance Measurement System comprises two optical heads and spectrometers, all housed in a dark enclosure that enables measurements in high ambient light, production environments. The measurement head uses motorized positioners to rapidly acquire any number of desired data points on substrates as large 0.4 m x 0.4 m, and automatically acquires correct focus at the glass surface through the use of a laser-based height sensor. In just milliseconds, the system obtains simultaneous reflectance measurements at both 10 and 45 incidence angles over the entire 380 1100 nm spectral range. All instrument control and data acquisition hardware and software are included with the system.

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