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http://dx.doi.org/10.3807/HKH.2008.19.4.255

Propagation Characteristics and Tolerance Analysis of Optical Wires in Flexible Optical PCB by Ray Tracing  

Yeom, Jun-Cheol (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Park, Dae-Seo (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Kim, Young-Seok (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Kim, Dae-Chan (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Park, Se-Geun (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
O, Beom-Hoan (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Lee, El-Hang (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Lee, Seung-Gol (School of Information Engineering, Optics and Photonics Elite Research Academy (OPERA), Inha University)
Jeon, Keum-Soo (Doosan Technical Center, Doosan Electro-Materials)
Publication Information
Korean Journal of Optics and Photonics / v.19, no.4, 2008 , pp. 255-261 More about this Journal
Abstract
In this study, the propagation characteristics and the fabrication tolerance of an optical wire in a flexible optical PCB were analyzed by using a ray-tracing method. It is found from the analysis that the sidewall angle of a core should be controlled within $1^{\circ}$ in order to maintain the propagation loss to less than -1 dB/mm, and that the bending radius of the optical wire should be larger than 5 mm in order to suppress the bending loss below -1 dB. In addition, it is confirmed that the lateral misalignment of ${\pm}15\;{\mu}m$, and the angular tilting of VCSEL of $6^{\circ}$ are allowable for the coupling loss of -1 dB.
Keywords
Optical PCB; Optical coupling; Optical wire; Propagation loss; Ray tracing; Flexible OPCB;
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