Linear optical properties of defective KDP with oxygen vacancy: First-principles calculations

Chen Xin^a),^b),^c), Zhao Qian-Qian^a),^b), Wang Xiao-Chun†^a),^b), Chen Jun^d), Ju Xin^e)

Absorption coefficient, refractive index, optical conductivity, extinction coefficient, and reflectivity of (a) the perfect KDP and (b) the defective KDP with oxygen vacancy.