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Absorption measurements

Cary Varian 5000 spectrometer is available (figure 1). It permits to perform transmission measurements from 180 to 3200 nm. The experimental setup include transmission measurements on bulk (figure 2) and liquid samples, reflection measurements at fixed (12.5 degree) and Variable Angle Specular Reflectance accessory (figure 3) (VASRA: 20-70 degree), and integrating sphere systems (figure 4).

 

Varian cary 5000 spectrometer
Figure 1: Cary Varian 5000 spectrometer.

 

solid sample holder
Figure 2: Bulk sample holder

 

VASRA option
Figure 3: Variable Angle Specular Reflectance accessory (VASRA: 20-70 degree)

Integrating sphere
Figure 4: Integrating sphere working from 200 to 1800nm