Short-wavelength nonlinear optical(NLO)crystals can convert a specific wavelength of light to ultraviolet(UV)and deep-UV region.To date,most of the commercialized UV and deep-UV NLO materials are borate crystals.By co...Short-wavelength nonlinear optical(NLO)crystals can convert a specific wavelength of light to ultraviolet(UV)and deep-UV region.To date,most of the commercialized UV and deep-UV NLO materials are borate crystals.By combining the merits of borates and silicates,borosilicates exhibit some unique advantages of rich structural types,moderate second harmonic generation(SHG)response,and high UV transmittance.This paper summarizes the known NLO borosilicates which can be grouped into two types according to the linkage modes of BO and SiO units:(1)borosilicates with BOSi covalent bond,and(2)borosilicates with isolated BO and SiO units.The structural features,SHG intensities,and UV cutoff edges of these borosilicates are discussed.Finally,future perspectives in this field are presented.展开更多
基金supported by the National Natural Science Foundation of China(No.21975224).
文摘Short-wavelength nonlinear optical(NLO)crystals can convert a specific wavelength of light to ultraviolet(UV)and deep-UV region.To date,most of the commercialized UV and deep-UV NLO materials are borate crystals.By combining the merits of borates and silicates,borosilicates exhibit some unique advantages of rich structural types,moderate second harmonic generation(SHG)response,and high UV transmittance.This paper summarizes the known NLO borosilicates which can be grouped into two types according to the linkage modes of BO and SiO units:(1)borosilicates with BOSi covalent bond,and(2)borosilicates with isolated BO and SiO units.The structural features,SHG intensities,and UV cutoff edges of these borosilicates are discussed.Finally,future perspectives in this field are presented.