К.V. Yumashev, A. V. Hertsova, A. I. Lazarchuk, T. A. Shishko, V. E. Kisel
{"title":"单斜Yb3+:Gd2−xYxSiO5激光晶体光学和热光学性质的各向异性","authors":"К.V. Yumashev, A. V. Hertsova, A. I. Lazarchuk, T. A. Shishko, V. E. Kisel","doi":"10.1007/s00340-025-08518-8","DOIUrl":null,"url":null,"abstract":"<div><p>Orientation of the principal optical axes, dispersion of the refractive indices along the three principal optical directions in the spectral range of 480–1014 nm, thermal expansion coefficients for directions along optical indicatrix axes <i>N</i><sub>p</sub> and <i>N</i><sub>m</sub>, and the principal thermooptic coefficients at a wavelengths of 632.8 nm and 1064 nm are determined for Yb<sup>3+</sup>:Gd<sub>2−x</sub>Y<sub>x</sub>SiO<sub>5</sub> (x = 0.385) monoclinic crystal (space group of P2<sub>1</sub>/c). The principal thermooptic coefficients are found to be negative. Thermal lensing was characterized in a continuous-wave <i>N</i><sub>p</sub>-cut, <i>N</i><sub>m</sub>-cut, and <i>N</i><sub>g</sub>-cut Yb<sup>3+</sup>:Gd<sub>1.615</sub>Y<sub>0.385</sub>SiO<sub>5</sub> diode-pumped at wavelength of 0.976 μm and operating at wavelength of 1.090 μm. The measured thermal lens is found to be positive. The sensitivity factors of the thermal lens were obtained.</p></div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"131 8","pages":""},"PeriodicalIF":2.0000,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Anisotropy of optical and thermooptical properties of monoclinic Yb3+:Gd2−xYxSiO5 laser crystal\",\"authors\":\"К.V. Yumashev, A. V. Hertsova, A. I. Lazarchuk, T. A. Shishko, V. E. Kisel\",\"doi\":\"10.1007/s00340-025-08518-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Orientation of the principal optical axes, dispersion of the refractive indices along the three principal optical directions in the spectral range of 480–1014 nm, thermal expansion coefficients for directions along optical indicatrix axes <i>N</i><sub>p</sub> and <i>N</i><sub>m</sub>, and the principal thermooptic coefficients at a wavelengths of 632.8 nm and 1064 nm are determined for Yb<sup>3+</sup>:Gd<sub>2−x</sub>Y<sub>x</sub>SiO<sub>5</sub> (x = 0.385) monoclinic crystal (space group of P2<sub>1</sub>/c). The principal thermooptic coefficients are found to be negative. Thermal lensing was characterized in a continuous-wave <i>N</i><sub>p</sub>-cut, <i>N</i><sub>m</sub>-cut, and <i>N</i><sub>g</sub>-cut Yb<sup>3+</sup>:Gd<sub>1.615</sub>Y<sub>0.385</sub>SiO<sub>5</sub> diode-pumped at wavelength of 0.976 μm and operating at wavelength of 1.090 μm. The measured thermal lens is found to be positive. The sensitivity factors of the thermal lens were obtained.</p></div>\",\"PeriodicalId\":474,\"journal\":{\"name\":\"Applied Physics B\",\"volume\":\"131 8\",\"pages\":\"\"},\"PeriodicalIF\":2.0000,\"publicationDate\":\"2025-07-03\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied Physics B\",\"FirstCategoryId\":\"4\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s00340-025-08518-8\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Physics B","FirstCategoryId":"4","ListUrlMain":"https://link.springer.com/article/10.1007/s00340-025-08518-8","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
Anisotropy of optical and thermooptical properties of monoclinic Yb3+:Gd2−xYxSiO5 laser crystal
Orientation of the principal optical axes, dispersion of the refractive indices along the three principal optical directions in the spectral range of 480–1014 nm, thermal expansion coefficients for directions along optical indicatrix axes Np and Nm, and the principal thermooptic coefficients at a wavelengths of 632.8 nm and 1064 nm are determined for Yb3+:Gd2−xYxSiO5 (x = 0.385) monoclinic crystal (space group of P21/c). The principal thermooptic coefficients are found to be negative. Thermal lensing was characterized in a continuous-wave Np-cut, Nm-cut, and Ng-cut Yb3+:Gd1.615Y0.385SiO5 diode-pumped at wavelength of 0.976 μm and operating at wavelength of 1.090 μm. The measured thermal lens is found to be positive. The sensitivity factors of the thermal lens were obtained.
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