Design and optimization of a spectrometer for spectral domain optical coherence tomography

Hamid Hosseiny; Carla Carmelo Rosa

doi:10.1117/12.2063755

22 August 2014 Design and optimization of a spectrometer for spectral domain optical coherence tomography

Hamid Hosseiny, Carla Carmelo Rosa

Proceedings Volume 9286, Second International Conference on Applications of Optics and Photonics; 92864Z (2014) https://doi.org/10.1117/12.2063755
Event: Second International Conference on Applications of Optics and Photonics, 2014, Aveiro, Portugal

Abstract

There are several factors such as the chosen optical source, central wavelength, spectral bandwidth, spectrometer optical components and the detector specifications that affect the overall performance of a spectral domain optical coherence tomography (SD-OCT) imaging system. Among these factors a good design and implementation of the spectrometer is of paramount importance as it directly affects the system resolution, sensitivity fall-off, maximum imaging depth, SNR and in general the system performance. This study demonstrates the design steps and some considerations during the design of a spectrometer. The imaging performance of this design is assessed. The obtained experimental results prove an improvement of the overall performance of the common path SD-OCT imaging system and agree with the expected outcome from the design stage.

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Hamid Hosseiny and Carla Carmelo Rosa "Design and optimization of a spectrometer for spectral domain optical coherence tomography", Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92864Z (22 August 2014); https://doi.org/10.1117/12.2063755

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KEYWORDS

Spectroscopy

Diffraction gratings

Imaging systems

Optical coherence tomography

Glasses

Signal to noise ratio

Thin films

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