cfharris at erols.com
Fri Dec 5 09:41:06 EST 2014
We were talking about remotely viewing light from small things
like LED's. I hardly think that telling me about a 1m diameter
solar "light pipe", or the marvels of ancient Egyptians is relevant.
I see two types of devices used for moving light remotely:
1) fiber optic, which is a standardized media, and is available
off the shelf, and in any length you want. It isn't all the
stuff meant to run data around.
2) custom molded acrylic light pipes, which are, well, custom
made devices for the situation at hand.
Which of the two do you think is more applicable to the OP's
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
> On 5 Dec 2014 13:19, "Chuck Harris" <cfharris at erols.com> wrote:
>> I think the name "light pipe" has been supplanted by fiber-optic.
>> -Chuck Harris
> Technically I agree that they have a lot in common. But I think the large
> devices, which are often not cylindrical, are usually called light pipes.
> Some light pipes are hollow inside. I think that is stretching the
> definition of optical fibre.
> According to Wikipedia, light pipes or light tubes were originally
> developed by the ancient Egyptians.
> Some of these things are hollow are more than 1 m in diameter. I would
> hardly call that an optical fibre.
> But call them what you fancy (optical fibre, multi more fibre, waveguide,
> light tube, light pipe. ...) I think such a device might solve the problem
> getting the LTE Lite's status LEDs onto a box.
> I don't have an LTE Lite, but given that they are low power devices, where
> heat generation is undesirable, I suspect that the light output level
> might be a bit low. In which case a photodiode or similar may be needed.
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