Resistance to optical distortions in three-dimensional interferometric temporal focusing microscopy

Qiyuan Song, Keisuke Isobe, Katsumi Midorikawa, Fumihiko Kannari

Research output: Contribution to journalArticle

Abstract

We analyze how optical distortions in deep imaging or dense scattering media influence three-dimensional interferometric temporal focusing (3D-ITF) imaging, and derive the distorted point spread function (PSF) and optical transfer function (OTF). Upon this, we find that 3D-ITF microscopy is less affected by optical distortions in terms of spatial resolution, artifacts and sectioning ability. Temporal focusing (TF) illumination supports a robust spatial modulation in 3D-ITF microscopy with distorted optics. As the modulation spatial frequencies are unique, they offer a redundancy in 3D-ITF microscopy. The redundancy in the spatial frequency of 3D-ITF images compensates for the loss of spatial frequency caused by the optical distortion in the emission OTF. The redundancy recovers the high spatial frequencies to prevent the degradation of spatial resolution. Moreover, the redundancy recovers the distortion in the emission OTF spectrum, which causes distorted shapes in the PSF such as side lobes and double peaks. Thus, there is a relatively lossless OTF spectrum in 3D-ITF compared to TF, and this leads to better trade-off between remaining noise artifacts and resolution after the Wiener filter correction.

LanguageEnglish
Pages486-496
Number of pages11
JournalOptics Communications
Volume430
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

optical transfer function
Optical transfer function
redundancy
Microscopic examination
microscopy
Redundancy
point spread functions
artifacts
spatial resolution
modulation
Modulation
lobes
Imaging techniques
illumination
Optical resolving power
optics
degradation
filters
causes
Optics

Keywords

  • Background fluorescence
  • Fluorescence microscopy
  • Structured illumination microscopy
  • Temporal focusing
  • Two-photon excitation
  • Wavefront distortion

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

Resistance to optical distortions in three-dimensional interferometric temporal focusing microscopy. / Song, Qiyuan; Isobe, Keisuke; Midorikawa, Katsumi; Kannari, Fumihiko.

In: Optics Communications, Vol. 430, 01.01.2019, p. 486-496.

Research output: Contribution to journalArticle

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