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To: MangoBoy who wrote (1203)	2/5/1998 3:53:00 PM
From: Tim Bagwell	Respond to of 12623

Wow, that NT grating is one long sucker. I don't know why they would need this except to compensate many channels in one fiber. One could simply splice smaller fibers together but the splice loss will add up. The downside is that you have a yield problem because each channel's grating must be good or the whole 2.4 meters goes in the trash. The other downside is these things are usually temperature compensated and that could be tough for such a long length. Keep in mind this report is from an R&D lab. We call such reports "hero measurements" for obvious reasons. Chances are the manufacturing guys will laugh them out of the room.