Two-dimensional spectrum detection based on the imperfect virtually imaged phased array

被引：4
|
作者：
Tan, Zhongwei [1 ]
Li, Hongmei [1 ]
Ding, Zhichao [1 ]
Zhang, Lei [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network & Adv, Beijing 100044, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2017年 / 59卷 / 10期
基金：
中国国家自然科学基金;
关键词：
2D imaging; optical filter fabricating; virtually imaged phased array (VIPA); GENERALIZED GRATING EQUATION; DISPERSERS;
D O I：
10.1002/mop.30804
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Virtually imaged phased array (VIPA) is typically consists of a thin plate of glass coated with high reflection film coated on both sides. The effects of plate defects on virtually imaged phased array are investigated in this article. We mainly analyze the parallelism and surface roughness of the glass plate by simulation. A 2D disperser is established by a virtually imaged phased array and a diffraction grating. Results show that the degree of plate parallelism will affect the spot size of the beam output, wavelength of the maximum power and 3-dB bandwidth, and the surface roughness will lead to scattering and loss. The simulation results are validated by experiment.
引用
收藏
页码：2654 / 2660
页数：8
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