Re: how to transfer energy through the metal wall ??

In sci.optics Chris Hodges <[EMAIL PROTECTED]> wrote:
> AES/newspost <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
>> > 
>> > 1. Isn't the obvious answer a 1/2" Black and Decker electric drill, a
>> > 1/2" high speed drill bit and some  insulated wire?
>> > 
>> 
>> Or the Black and Decker with a 20 to 50 mil bit, large core optical 
>> fiber (or even just a glass rod), some epoxy or a metallization and 
>> brazing step, some hi-pwr diode lasers, and a sturdy solar cell.
> 
> Surely LEDs would be better (e.g. Lumileds 5W luxeon star in a range
> of colours).  That would bring the cost down.

The 5W luxeon will produce around 500mw of light, with a very large source
area.
IR laser diodes are quite efficiant and cheap, in the 0.5W size, and are
around 50% efficient as well as being much easier to couple to a fiber.


-- 
http://inquisitor.i.am/    |  mailto:[EMAIL PROTECTED] |             Ian Stirling.
---------------------------+-------------------------+--------------------------
Things a surgeon should never say:
Better save that for the autopsy.