Generation of Dark Hole using an Annular Spiral Phase Plate and an Annular Wave Plate

被引：0
|
作者：
Nagai K. [1 ]
Maruyama T. [1 ]
Kodaira A. [1 ]
Kumagai H. [2 ]
机构：
[1] NTT Advanced Technology Corporation, 3-1, Morinosato Wakamiya, Kanagawa, Atsugi
[2] Kitasato University, 1-15-1, Kitazato, Minami-ku, Kanagawa, Sagamihara
来源：
IEEJ Transactions on Electronics, Information and Systems | 2024年 / 144卷 / 04期
基金：
日本学术振兴会;
关键词：
etching process; fluorescence depletion; phase control; super-resolution microscopy;
D O I：
10.1541/ieejeiss.144.326
中图分类号：
学科分类号：
摘要：
In this study, we designed, fabricated and evaluated a dark hole generation optical system that combines an annular phase plate and an annular wave plate for super-resolution microscopy based on stimulated emission or upconversion fluorescence depletion. The phase plate is a compound phase plate that combines two types of spiral phase plates in a ring shape, and the wave plate is a ring shape combination of two types of wave plates with crystal axes perpendicular to each other. Despite its complex structure, the composite phase plate could be precisely fabricated using the exposure and etching processes used in semiconductor manufacturing. A super-resolution microscope equipped with these devices confirmed the generation of a three-dimensional dark hole of fluorescence-suppressed light. © 2024 The Institute of Electrical Engineers of Japan.
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页码：326 / 327
页数：1
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