Combined spectral-domain optical coherence tomography and photoacoustic remote sensing microscopy* (Conference Presentation)

Matthew T. Martell; Cory Rewcastle; Roger J. Zemp

doi:10.1117/12.2545244

6 March 2020 Combined spectral-domain optical coherence tomography and photoacoustic remote sensing microscopy* (Conference Presentation)

Matthew T. Martell, Cory Rewcastle, Roger J. Zemp

Author Affiliations +

Proceedings Volume 11240, Photons Plus Ultrasound: Imaging and Sensing 2020; 112401V (2020) https://doi.org/10.1117/12.2545244
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

We introduce a combined non-interferometric photoacoustic remote sensing (PARS) microscopy and spectral-domain optical coherence tomography (SD-OCT) system. This can provide complementary information for structural and functional imaging in biomedical applications, with intrinsic 2D registration of PARS absorption images and OCT scattering tomograms. The system includes a free-space Michelson interferometer, 147 kHz line scan spectrometer, and a 1060 nm superluminescent diode interrogation source offering up to 65 mW of power, along with a bandwidth of 65.6 nm. System validation involved imaging layered phantoms containing carbon fibers, with a PARS lateral resolution of 7 µm and OCT axial resolution of 8 µm.

Conference Presentation

Citation Download Citation

Matthew T. Martell, Cory Rewcastle, and Roger J. Zemp "Combined spectral-domain optical coherence tomography and photoacoustic remote sensing microscopy* (Conference Presentation)", Proc. SPIE 11240, Photons Plus Ultrasound: Imaging and Sensing 2020, 112401V (6 March 2020); https://doi.org/10.1117/12.2545244

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