Measurement of the optical dielectric properties of thin-film materials by ultrafast time-resolved interferometry
Measurement of the optical dielectric properties of thin-film materials by ultrafast time-resolved interferometry
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通过超快时间分辨干涉测量薄膜材料的光学介电特性
DOI：
10.1016/j.rinp.2020.102958
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发表时间：
2020-04
影响因子：
5.3
通讯作者：
Shi-Bing Liu
中科院分区：
文献类型：
--
作者：
Hai-Ying Song;Peng Wang;Qi-Ni Ge;Ya-Chao Li;Elshaimaa M. Emara;Mei-Rong Lu;Shi-Bing Liu
本文报道了一种时间分辨光学干涉技术（TROI），它利用飞秒激光双光束同步通过真空（空气）和样品的相位延迟干涉，直接探测传统和特殊薄膜材料的光学性质。作为对TROI测量精度的验证，利用中心波长为800 nm的飞秒激光脉冲测量了HfO2、YAG（各向同性立方晶系）和LiNbO3（各向异性立方晶系）等非晶薄膜材料的群速度、相速度和折射率。数据表现出令人满意的结果，即使是一个微妙的变化，可以确定通过操纵的时间和空间域的分辨率通过延迟线，无论是各向同性或各向异性和任何不同的样品取向的薄膜。毫无疑问，所提出的TROI是突出的环境依赖性和相敏光学参数的精确测量，特别是涉及特定的纳米级光学器件和结构层或涂层。
We report a time-resolved optic interferometry (TROI) that enables to straightway probe the optical properties of traditional and special thin-film materials by feat of a phasedelayed-interferencebetween double beams of femtosecond laser synchronously traveling through vacuum (air) and sample, respectively. As a verification of measurement accuracy created by the TROI, the group and phase velocities as well as the refractive index of noncrystal thin-film HfO2, the crystal thin-film materials YAG (isotropic cubic system), and LiNbO3(aeolotropic rigonal system), are measured by femtosecond laser pulse with 800 nm central wavelength. The data exhibit a satisfactory consequence in which even a subtle change of measurand can be ascertained by manipulating the resolution in temporal and spacial domains via the delay-line, whether the films are isotropic or aeolotropic and any different orientations of sample. Unambiguously, the presented TROI is conspicuous to the precision measurements of environment-dependent and phase-sensitive optical parameters especially involved in specific nanoscale optical devices and structured layers or coatings.
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DOI：
10.1002/9780470135976
发表时间：
1978
期刊：
--
影响因子：
--
作者：
D. Malacara
通讯作者：
D. Malacara
影响因子：
3.2
作者：
U. Schlarb;K. Betzler
通讯作者：
U. Schlarb;K. Betzler
影响因子：
3.2
作者：
J. Kasai;T. Hitosugi;M. Moriyama;K. Goshonoo;N. L. H. Hoang;S. Nakao;N. Yamada;T. Hasegawa
通讯作者：
J. Kasai;T. Hitosugi;M. Moriyama;K. Goshonoo;N. L. H. Hoang;S. Nakao;N. Yamada;T. Hasegawa
影响因子：
3.6
作者：
HEE, MR;IZATT, JA;SWANSON, EA
通讯作者：
SWANSON, EA
影响因子：
1.3
作者：
J. L. Gresty
通讯作者：
J. L. Gresty