Temporal super-resolution high-speed holographic video recording based on switching reference lights and angular multiplexing in off-axis digital holography

被引：2

作者：

Anzai, Wataru ^{[1
]}

Kakue, Takashi ^{[1
]}

Shimobaba, Tomoyoshi ^{[1
]}

Ito, Tomoyoshi ^{[1
]}

机构：

[1] Chiba Univ, Grad Sch Engn, Inage Ku, 1-33 Yayoi Cho, Chiba 2638522, Japan

来源：

OPTICS LETTERS | 2022年 / 47卷 / 13期

基金：

日本学术振兴会;

关键词：

631.1.2 Gas Dynamics - 716.4 Television Systems and Equipment - 741.1 Light/Optics - 743 Holography;

D O I：

10.1364/OL.460591

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We develop a temporal super-resolution high-speed holographic video recording method based on the angular multiplexing in off-axis digital holography that can achieve an acquisition rate greater than the frame rate of image sensors. We realize a high-speed switching of reference lights with different incident angles using two acousto-optic modulators. We successfully double the frame rate of the hologram recording using a rotating circular protractor and demonstrate its practical application in compressed gas flow injection; we achieve a frame rate of 175,000 fps using a high-speed image sensor triggered at 87,500 Hz. (C) 2022 Optica Publishing Group

引用

页码：3151 / 3154

页数：4

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