Natural Science Forum / Physics / Optics / September 2005

I've been searching around but havn't been able to find this one. Can
any one tell me what photodiode they finally agreed to use on the ligo
detectors? thanks. jk

    Anyone know of a good place to buy small off-the-shelf plastic
lenses?  

Looking for good sources, preferably US-based, of high-speed polygon
spinning mirror hardware and optics.
Thanks,
-Martin

I would like to start microscopy as a new hobby. I have reasonable
knowledge about how to use a microscope and preparation of slides.
I will summarise my strengths, weaknesses and area of interest before I
pose my questions so that you might be able to help me better.

Hi all, I am selling this full color laser system on Ebay.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=ADME:L:LCA:US:11&item=7
353964125
Item number 7353964125
Or take a look at this link for more info as well.

When shining light of 532nm on certain colors like flourescent red and
the resultant color is orange is that anti-stokes?

Does anyone have any info or can direct me to tutorials on basic
functions of the Amiga. I bought two off ebay to run pangolin and
neither one has any accessories except the workbench disk. I am a
Systems Admin proficient in Windows, unix and cisco ios but cannot

I have been studing the Hughs ruby range finder and I was wonding if the
thing could be made to work without the Q-switch but using the same PFN (150
uf  800-1300V) cap and the flash tube that typically comes with the laser.
If my calculation are right the output energy of that ...

I need to identify the manufacturer (and ideally product ID) of a fiber
cable. Its diameter is about 14mm, the plastic coating is in yellow
color and approx. 1-2mm thick. Inside this, there are 8 small tubes
(surrounding a plastic core) containing strands. 6 tubes are white, one

I am new to barcode programming and now I am in a big trouble. I
created an application using ASP.net and C#. This application would
print a label with barcodes (standard code 39). When I try to scan the
printed barcoded, it is not scanning at all. I use symbol PDT 8146 to

FYI
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From: Doug Baillie <ddaveSo@no.biz>
Newsgroups: alt.binaries.crafts.pictures,alt.support.celiac

Hi All!,
My Uniphase 2111A Power supply arrived today and I was looking for any
help regarding getting an ALC-60X to work with it. I am developing a
plan but any help would be much appreciated.  I am thinking of using

There is an open position for a Senior Optical Engineer with sensor and
subsystem experience at a company that has done great work for me.
Please see http://www.coastalopt.com/corp_08.asp for more details.
This is a great opportunity to work for a medium size company with very

If you have a magnifying glass and hold it towards the sun you are able to
make a small focus spot on something that can set fire to almost anything
that will burn ....
I would like to make the same focus spot with a Halogen lamp i have one that

Nothing gets lost.
Searching the web I found this:
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OSOD