TP2 con-call comment resolution - actions from Austin

TP2 con-call comment resolution - actions from Austin -May 26 – June 9 (3 calls)Tom Lindsay802.3aqLondon, June 2005Attendeessome more regular than others…• John Abbott • Tom Lindsay• Ernie Bergmann • Gaurav Maholtra• David Cunningham • Jan Peeters Weem• Piers Dawe • Petar Pepeljugoski• Mike Dudek • Petre Popescu• John Ewen •N orm S wenson• John George • Vivek Telang• Joe Gwinn • Andre Van Schyndel• John Jaeger •Others?• Paul KolesarDispersion vs. λComment 166Comment:The center wavelength range of the laser in table 68-3 is 1260-1355nm. A calculation has been done to determine the impact on failure rate as the laser wavelength is shifted from 1300 to 1355nm. A similar calculation was done by TIA during the development of the OM3 product (see Pepeljugoskiet al., JLT vol.21 No.5 May 2003 p.1273 figure 17); in that case the failure rate increased by 0.3% as the wavelength shifted 5nm off of 850nm. Calculations based on the Gen67YY Monte Carlo set indicate that shifting from 1300 to 1355nm increases the failure rate between .75% (PIE-D=5) and 1.5% (PIE-D=4) depending on PIE-D required. Hence the target length will need to be reduced slightly.Comment 166resolution• Comment sent to TP2– Tx should bear burden of its own design• Analysis by Ewen and Abbott show 0.07 dB increased stress from fiber at 1355 nm• Effect is small, majority on call support stress increase on all Tx’s– Assume 1355 nm– Not worth complexity to make test dependent ...