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Re: [HSSG] Dispersion and Skew Spreadsheet



As we discussed after the Knoxville meeting, I have attached a zip file containing a Word document explaining the approach that I have used to generate worst case relative delay figures for G.652 and G.655 fibres.


Also included in the zip file is the Excel spreadsheet that I used to generate the figures.



Pete Anslow


Nortel Networks UK Limited, London Rd, Harlow, Essex CM17 9NA, UK

External +44 1279 402540 Fax +44 1279 405670  ESN 742 2540


Email: pja@xxxxxxxxxx


From: Drew Perkins [mailto:dperkins@xxxxxxxxxxxx]
Sent: 26 September 2006 02:46
To: STDS-802-3-HSSG@xxxxxxxxxxxxxxxxx
Subject: [HSSG] Dispersion and Skew Spreadsheet


During my last presentation to the HSSG last week I presented a spreadsheet calculating skew between various wavelengths. I have attached that here. As I said at the meeting, this is a first approximation that should be in the right ballpark but there are likely to be several problems with it. Pete Anslow (Nortel) volunteered to take a first pass at improvements by using the equations for fiber dispersion in the ITU standards that he co-authored. Robert Lingle (OFS) also volunteered to take a look from the perspective of a fiber manufacturer. It would be great to have other fiber manufacturers and other companies do the same.





Drew Perkins

Chief Technology Officer

Infinera Corporation

169 Java Drive

Sunnyvale, CA  94089


Phone:  408-572-5308

Cell:       408-666-1686

Fax:        408-904-4644

Email:    dperkins@xxxxxxxxxxxx