Temperature-dependent Goos-Hänchen effect in the graphene-BK7 system enabled optical differential operation and image edge detection

IF 2.5 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-09-18 DOI:10.1016/j.optcom.2025.132489

JiaYing Li , Qianyi Yi , Jian Xu , Dengyun Lu , Yuxiang Peng , Mengdong He , Yuanyuan Liu

{"title":"Temperature-dependent Goos-Hänchen effect in the graphene-BK7 system enabled optical differential operation and image edge detection","authors":"JiaYing Li , Qianyi Yi , Jian Xu , Dengyun Lu , Yuxiang Peng , Mengdong He , Yuanyuan Liu","doi":"10.1016/j.optcom.2025.132489","DOIUrl":null,"url":null,"abstract":"<div><div>Goos-Hänchen (GH) effect during reflection at a graphene-BK7 optical planar interface provides us with some Optical differentiation operations, which are the core principle of image edge detection. Here, a mechanism to realize tunable optical differential operation based on temperature-dependent Goos-Hänchen effect enabling edge imaging with tunable contrast is proposed. Notably, modulating the electrical conductivity of graphene and the refractive index of the BK7 substrate could be achieved by varying temperature, which induces dynamic control of GH shift. In addition, we construct a spatial spectral transfer function actively controlled by changing temperature to attain optical differential operation. The slope of the spatial transfer function is larger with the rise of temperature, which results in a higher contrast of the edge imaging. We believe that our scheme may show broad prospects for practical applications in microscopic imaging and intelligent driving.</div></div>","PeriodicalId":19586,"journal":{"name":"Optics Communications","volume":"596 ","pages":"Article 132489"},"PeriodicalIF":2.5000,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Communications","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S003040182501017X","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}

引用次数: 0

Abstract

Goos-Hänchen (GH) effect during reflection at a graphene-BK7 optical planar interface provides us with some Optical differentiation operations, which are the core principle of image edge detection. Here, a mechanism to realize tunable optical differential operation based on temperature-dependent Goos-Hänchen effect enabling edge imaging with tunable contrast is proposed. Notably, modulating the electrical conductivity of graphene and the refractive index of the BK7 substrate could be achieved by varying temperature, which induces dynamic control of GH shift. In addition, we construct a spatial spectral transfer function actively controlled by changing temperature to attain optical differential operation. The slope of the spatial transfer function is larger with the rise of temperature, which results in a higher contrast of the edge imaging. We believe that our scheme may show broad prospects for practical applications in microscopic imaging and intelligent driving.

查看原文本刊更多论文

石墨烯- bk7系统中的温度依赖Goos-Hänchen效应实现了光学差分操作和图像边缘检测

石墨烯- bk7光学平面界面反射过程中的Goos-Hänchen （GH）效应为我们提供了一些光学微分运算，这是图像边缘检测的核心原理。本文提出了一种基于温度相关Goos-Hänchen效应实现对比度可调边缘成像的可调光学差分操作机制。值得注意的是，可以通过改变温度来调制石墨烯的电导率和BK7衬底的折射率，从而诱导GH位移的动态控制。此外，我们构建了一个由温度主动控制的空间光谱传递函数，以实现光学微分运算。随着温度的升高，空间传递函数的斜率越大，使得边缘成像的对比度越高。我们相信我们的方案在微观成像和智能驾驶方面具有广阔的实际应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.