Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator

Chulhong Kim; Sungjo Park; Jongki Kim; Sungrae Lee; Mansik Jeon; Jeehyun Kim; Kyunghwan Oh

doi:10.1117/12.2003303

Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator

Chulhong Kim, Sungjo Park, Jongki Kim, Sungrae Lee, Mansik Jeon, Jeehyun Kim, Kyunghwan Oh

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Optical-resolution photoacoustic microscopy (OR-PAM) becomes a premier microscopic imaging tool in biomedicine because it provides agent-free optical absorption information in tissues. By tightly focusing light to a spot, the fine lateral resolution can be achieved in OR-PAM. The focal spot size is typically determined by the numerical aperture of the used objective lens. Here, we demonstrate focus-free OR-PAM using a Bessel beam generator. In this approach, no objective lens is required. We have photoacoustically imaged a carbon fiber with a diameter of ∼6 μm, and the measured lateral resolution was ∼6-7 μm. Beneficially, the complexities of the existing OR-PAM systems can be greatly relieved.

Original language	English
Title of host publication	Photons Plus Ultrasound
Subtitle of host publication	Imaging and Sensing 2013
DOIs	https://doi.org/10.1117/12.2003303
Publication status	Published - 2013
Event	Photons Plus Ultrasound: Imaging and Sensing 2013 - San Francisco, CA, United States Duration: 2013 Feb 3 → 2013 Feb 5

Publication series

Name	Progress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume	8581
ISSN (Print)	1605-7422

Other

Other	Photons Plus Ultrasound: Imaging and Sensing 2013
Country/Territory	United States
City	San Francisco, CA
Period	13/2/3 → 13/2/5

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Biomaterials
Atomic and Molecular Physics, and Optics
Radiology Nuclear Medicine and imaging

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10.1117/12.2003303

Cite this

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title = "Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator",

abstract = "Optical-resolution photoacoustic microscopy (OR-PAM) becomes a premier microscopic imaging tool in biomedicine because it provides agent-free optical absorption information in tissues. By tightly focusing light to a spot, the fine lateral resolution can be achieved in OR-PAM. The focal spot size is typically determined by the numerical aperture of the used objective lens. Here, we demonstrate focus-free OR-PAM using a Bessel beam generator. In this approach, no objective lens is required. We have photoacoustically imaged a carbon fiber with a diameter of ∼6 μm, and the measured lateral resolution was ∼6-7 μm. Beneficially, the complexities of the existing OR-PAM systems can be greatly relieved.",

author = "Chulhong Kim and Sungjo Park and Jongki Kim and Sungrae Lee and Mansik Jeon and Jeehyun Kim and Kyunghwan Oh",

year = "2013",

doi = "10.1117/12.2003303",

language = "English",

isbn = "9780819493507",

series = "Progress in Biomedical Optics and Imaging - Proceedings of SPIE",

booktitle = "Photons Plus Ultrasound",

note = "Photons Plus Ultrasound: Imaging and Sensing 2013 ; Conference date: 03-02-2013 Through 05-02-2013",

}

Kim, C, Park, S, Kim, J, Lee, S, Jeon, M, Kim, J & Oh, K 2013, Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator. in Photons Plus Ultrasound: Imaging and Sensing 2013., 85812F, Progress in Biomedical Optics and Imaging - Proceedings of SPIE, vol. 8581, Photons Plus Ultrasound: Imaging and Sensing 2013, San Francisco, CA, United States, 13/2/3. https://doi.org/10.1117/12.2003303

Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator. / Kim, Chulhong; Park, Sungjo; Kim, Jongki et al.

Photons Plus Ultrasound: Imaging and Sensing 2013. 2013. 85812F (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; Vol. 8581).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T1 - Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator

AU - Kim, Chulhong

AU - Park, Sungjo

AU - Kim, Jongki

AU - Lee, Sungrae

AU - Jeon, Mansik

AU - Kim, Jeehyun

AU - Oh, Kyunghwan

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AB - Optical-resolution photoacoustic microscopy (OR-PAM) becomes a premier microscopic imaging tool in biomedicine because it provides agent-free optical absorption information in tissues. By tightly focusing light to a spot, the fine lateral resolution can be achieved in OR-PAM. The focal spot size is typically determined by the numerical aperture of the used objective lens. Here, we demonstrate focus-free OR-PAM using a Bessel beam generator. In this approach, no objective lens is required. We have photoacoustically imaged a carbon fiber with a diameter of ∼6 μm, and the measured lateral resolution was ∼6-7 μm. Beneficially, the complexities of the existing OR-PAM systems can be greatly relieved.

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Focus-free optical-resolution photoacoustic microscopy using an all-fiber Bessel beam generator

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