Title

Advanced nonlinear optical imaging methods and theoretical analysis: from super-resolution to volumetric imaging

DGIST Authors

Gwanjin Lee ; JaeDong Lee ; Hyunmin Kim

Advisor

이재동

Co-Advisor(s)

Hyunmin Kim

Issued Date

2026

Awarded Date

2026-08-01

Type

Thesis

Description

Ultrafast nonlinear optics, Super-resolution microscopy, Volumetric imaging, Harmonic-generation, Ab initio calculation

Table Of Contents

List of Contents
Abstract i
List of contents ii
List of publications iv
List of tables v
List of figures v
Ⅰ. Introduction 1
1.1 Motivation 1
1.2 Overview 3
ⅠI. Sub-diffraction-limited nonlinear optical microscopy on low dimensional materials 6
2.1 Non-degenerate confocal focus-engineered coherent anti-Stokes Raman scattering (cFE-CARS) Microscopy 7
2.2 Resolution enhancement in cFE-CARS microscopy 14
2.3 Confocal nonlinear optical imaging of hexagonal boron nitride (hBN) Nanosheets 32
2.4 Axial-resolution-improved imaging and ultrafast phonon dynamics in hBN Nanosheets 34
ⅠII. Volumetric chemical imaging by oblique light-sheet nonlinear optical microscopy 56
3.1 Overview of oblique light-sheet nonlinear optical microscopy (OLS-NLOM) 56
3.2 OLS-NLOM imaging of microparticles 62
3.3 OLS-NLOM imaging on biological samples 66
ⅠV. Third-harmonic generation in silicon nanomembrane 80
4.1 Overview of silicon nanomembrane (Si NM) and optical properties 80
4.2 Theoretical background 82
4.3 Third-harmonic generation (THG) in flat and crumpled Si NMs 85
4.4 THG response from ab initio calculations 92
4.5 Local field effect in crumpled structure 97
Conclusion 105
References 107
Abstract (in Korean) 120

URI

https://scholar.dgist.ac.kr/handle/20.500.11750/60753
http://dgist.dcollection.net/common/orgView/200001006659

DOI

10.22677/THESIS.200001006659

Degree

Doctor

Department

Department of Physics and Chemistry

Publisher

DGIST

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