[17p-PB04-1~1] 15.1 Bulk crystal growth

[17p-PB04-1] Infrared properties of bulk SiGe crystals

〇Yasutomo Arai¹, Koji Tsubaki², Yoshifumi Katano², Shigeki Uchida², Masami Kataoka³, Shingo Sasaki³, Sato Yasunori³, Okuhisa Matsumura³, Takeo Kobae³, Takuya Kawasaki³ (1.JAXA, 2.TOPCON, 3.TDY)

Keywords:Silicon germanium, infrared refractive index

Silicon germanium alloys are hopeful for infrared optical materials. We measured the Ge concentration dependence of refractive indices of silicon germanium alloys at room temperature. The measured indices were slightly lower than the calculated indices.