Journal of the Korean Physical Society

, Volume 65, Issue 9, pp 1379–1384 | Cite as

Design and performance analysis of a bio-optical sub-assembly for diffuse optical technologies

  • Je-Myung Jeong
  • Kyoungsu Park
  • Sehwan KimEmail author


This paper presents a compact, multi-wavelength, and high-frequency-response light source named the bio-optical sub-assembly (BiOSA). The BiOSA is used to measure the absorption and the reduced scattering coefficients from diffuse optics-based biomedical systems. It is equipped with six laser diodes and one optical fiber with a 400-μm diameter core. Simulations can be used to determine the design parameters and to confirm the feasibility of the BiOSA. The evaluation results indicate that the coupling efficiency of the fabricated BiOSA is 80 ∼ 85%, and the frequency response is up to 3.38 GHz.


Optical sub-assembly Laser optical systems Spectroscopy of tissue diagnostics 


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Copyright information

© The Korean Physical Society 2014

Authors and Affiliations

  1. 1.Department of Electronic EngineeringHanyang UniversitySeoulKorea
  2. 2.Department of Medical LaserDankook UniversityCheonanKorea
  3. 3.Department of Biomedical EngineeringDankook University, College of MedicineCheonanKorea

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