Contact: Laura Ost
National Institute of Standards and Technology (NIST)
Caption: NIST engineer Tasshi Dennis is shown with NIST's solar simulator based on a white light laser. The instrument simulates sunlight to help measure the properties of solar cell materials. The instrument's beam is illuminating a gallium arsenide solar cell (yellow diamond) in the lower left corner of the photo.
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Related news release: Novel NIST laser system mimics sunlight to test solar cell efficiency