Visible to deep ultraviolet range optical absorption of electron irradiated borosilicate glass*
Wang Tie-Shan†, Duan Bing-Huang, Tian Feng, Peng Hai-Bo, Chen Liang, Zhang Li-Min, Yuan Wei
       
Background subtracted absorption spectrum of 5 × 105 Gy glass (hollow circles), fitted by three Gaussian peaks (dash lines) with centers at 2.8, 3.7, and 4.3 eV.