Abstract:Optical properties of KY 3 F 10 :Nd 3+ , Na 3 Y 6 F 22 :Nd 3+ , SrF 2 :Nd 3+ , and CaF 2 :Nd 3+ fluoride crystals in the UV and VUV spectral regions are presented. Absorption spectra from the ground ( 4 I 9/2 ) and excited ( 4 F 3/2 ) states are recorded in the wavelength range from 190 to 240 nm. The absorption spectra from the excited state demonstrate a significant increase in the absorption coefficients of the investigated samples near 193 nm under IR pumping of the 4 F 3/2 state of Nd 3+ ions. The results… Show more
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