Re: How can I couple the infrared light from an ordinary bulb in

From: AES (siegman_at_stanford.edu)
Date: 03/24/05 

Date: Thu, 24 Mar 2005 12:52:53 -0800

In article <4242a5ea$1_1@127.0.0.1>,
 louis.vlemincq@belgacom-dot-be.no-spam.invalid (Lou) wrote:

> Hi
>
> I think there might be another option, though the practical
> implementation may be difficult. If you use a multimode fiber, you'll
> be able to couple much more power than in the G652. Off course, this
> simply moves the problem at the interface between the multi and
> single mode fibers. What you can do is to taper the MM fiber until
> its core matches that of the single-mode. You could do that by
> tinkering with the programmation of a fusion splicer; once tapered
> from 62.5µm to ~10µm, the fiber will become extraordinarily delicate
> and brittle and you 'll have to accomplish miracles in order to
> fusion-splice it to the SM fiber, but I think it's worth a try. With
> some patience, you may get interesting results.

   Including for example the discovery that multi-mode power
   simply *can't* be coupled into a single-mode fiber in this
   (or any other) fashion . . .
>
> Lou
>
>
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