[time-nuts] Wide angle light into ST connector/multimode fiber?

Poul-Henning Kamp phk at phk.freebsd.dk
Wed Jan 5 08:24:42 UTC 2011

In message <20110104200440.7FAD380003B at ip-64-139-1-69.sjc.megapath.net>, Hal Mu
rray writes:
>>  I want to get light from a wide angle (30 degrees or so) into a multimode
>> fiber cable to feed a fast MF466 photodiode for short distance sensing.

It won't work for a whole lot of reasons.

Your chances are much better if you use a plastic "light-guide" like those
used to extend a SMD LED to the frontpanel on consumer electrics.

The exist in both rigid and bendable types.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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