00000nam 2200000zi 4500 9.879682 CaOODSP 20221107165559 m o d f cr cn||||||||| 190924s1981 onca o f000 0 eng d CaOODSP eng rda CaOODSP Co24-3/1-81-0025E-PDF Report no. 2 : interim report : testing methodologies for fiber optic transmission systems / for Department of Communications, Communications Research Center ; prepared by Bell-Northern Research Ltd. Interim report : testing methodologies for fiber optic transmission systems Ottawa, Ontario : Department of Communications, Communications Research Center, 1981. 1 online resource (vi, 43 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier DOC contractor report ; DOC-CR-CS-81-0025 "DSS file reference: 13ST. 36061-0-3309." "DSS contract serial: 1ST80-00116." "BNR reference: P372/TR6734." "Communications Systems Research and Development." "Date: September 1981." Digitized edition from print [produced by Innovation, Science and Economic Development Canada]. "This report describes the current status of modelling activities aimed at establishing test methods for fiber optic links and components. The fiber has been characterized by three different approaches. Its impulse response has been measured experimentally as well as computed from its index profile and from differential mode characteristics. The three impulse responses are compared. Launching conditions have been simulated to represent both the mode volume and the power profile (near-field pattern) of a source. A relationship between the modal power distribution and the near-field pattern is being sought. The complexities of this research are discussed. The fibre joint has been modelled partially. Matching conditions have been established between incoming and outgoing modes. Future activities are discussed"--Summary, page i. Issued also in print format. gccst Telecommunications Canada. Department of Communications. Bell-Northern Research. Communications Research Centre (Canada) DOC contractor report (Canada. Department of Communications) DOC-CR-CS-81-0025. (CaOODSP)9.869864 PDF 3.12 MB https://publications.gc.ca/collections/collection_2019/isde-ised/Co24/Co24-3-1-81-0025-eng.pdf