[17a-M_110-1~13] 3.4 Laser system and materials

9:00 AM - 9:15 AM JST(12:00 AM - 12:15 AM UTC)

[17a-M_110-1] Thermal expansion and dn/dT of congruent Mg:LiNbO₃ under cryogenic temperature

〇Yoichi Sato^1,2, Hideki Ishizuki^1,2, Takunori Taira^1,2 (1.RIKEN RSC, 2.IMS)

Keywords:

congruent Mg:LiNbO3,Thermal expansion coefficient,dn/dT

Thermal expansion coefficient (α) and dn/dT of 5-mol% Mg-doped congruent LiNbO₃ from 125 K to 475 K were studied for the design of the quasi phase maching device under cryogenic condition. α along X-axis and extraordinal dn/dT under 125K were 7.19×10^-6/K and 1.73×10^-5/K, respectively.