材料科学
纳米晶
氧化铟锡
吸收(声学)
光学
Z扫描技术
饱和吸收
光电子学
分析化学(期刊)
非线性光学
激光器
纳米技术
薄膜
光纤激光器
复合材料
波长
化学
物理
色谱法
作者
Amir Ashjari,Brian Topper,Doris Möncke
出处
期刊:Optics Letters
[The Optical Society]
日期:2024-05-21
卷期号:49 (12): 3460-3460
被引量:1
摘要
Indium tin oxide (ITO) nanocrystals 1–10 nm in size were grown via thermal treatment of a boroaluminosilicate parent glass. The nonlinear behavior of the obtained glass-ceramic was investigated with the Z-scan technique using 550 ps pulses of a 532 nm source at a 500 Hz repetition rate. The nonlinear response was rich, with the sample exhibiting third- and fifth-order nonlinearities as well as saturable absorption and two-photon absorption (TPA), depending on the locale probed. Photoinduced changes were also observed, with high intensity exposures yielding an increased magnitude of the response when lower power trials were subsequently repeated at the same sample position. The work demonstrates that ITO nanocrystal precipitation in bulk glass yields effective nonlinear response and suggests that with further development may enable more compact devices exploiting ITO and the need for particle deposition routes.
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