Influence of proton irradiation on optical characteristics of LiNbO3:Cu wafers

Slawomir Maksymilian Kaczmarek; Andrzej L. Bajor; Jolanta Wojtkowska; Zbigniew Moroz; Miroslaw Kwasny

doi:10.1117/12.518746

22 October 2003 Influence of proton irradiation on optical characteristics of LiNbO₃:Cu wafers

Slawomir Maksymilian Kaczmarek, Andrzej L. Bajor, Jolanta Wojtkowska, Zbigniew Moroz, Miroslaw Kwasny

Proceedings Volume 5136, Solid State Crystals 2002: Crystalline Materials for Optoelectronics; (2003) https://doi.org/10.1117/12.518746
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

Optical homogeneity (birefringence and birefringence dispersion mapping, transmission and additional absorption) was investigated on the entire areas of LiNbO₃ wafers doped with Cu ions and irradiated with protons of fluencies ranging between 10¹² and 10¹⁶ cm^-2. The birefringence dispersion studies have revealed a considerable influence of protons on LiNbO₃:Cu optical inhomogeneity, whereas the same influence on undoped LiNb0₃ was much less significant. The spectroscopic studies have revealed different mechanisms of defect formation depending on doses of protons. Also the secondary electrons generated by proton irradiation are believed to decrease the optical homogeneity by decreasing crystal's conductivity and generation of the color centers.

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Slawomir Maksymilian Kaczmarek, Andrzej L. Bajor, Jolanta Wojtkowska, Zbigniew Moroz, and Miroslaw Kwasny "Influence of proton irradiation on optical characteristics of LiNbO₃:Cu wafers", Proc. SPIE 5136, Solid State Crystals 2002: Crystalline Materials for Optoelectronics, (22 October 2003); https://doi.org/10.1117/12.518746

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