4 April 1997 Equal fan-out optical interconnects using DuPont photopolymer films
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In this paper, concerning with the practical applications of substrate guided wave optical interconnects, one-to-many surface-normal fanout devices with equalized fanout energy distribution are addressed and then demonstrated. DuPont photopolymer film HRF-600X001-20 is used in our experiment. The optimum recording beam intensity is investigated for obtaining large dynamic region of diffraction efficiency versus exposure dosage. Based on the experimental diffraction efficiency curve, 1-to-5 and 1-to-9 surface- normal fanout devices are fabricated operating at a wavelength of 850 nm. Output energy fluctuations of +/- 4 percent and +/- 10 percent are obtained for the two devices.
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Jian Liu, Jian Liu, Chunhe Zhao, Chunhe Zhao, Ray T. Chen, Ray T. Chen, "Equal fan-out optical interconnects using DuPont photopolymer films", Proc. SPIE 3005, Optoelectronic Interconnects and Packaging IV, (4 April 1997); doi: 10.1117/12.271091; https://doi.org/10.1117/12.271091

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