Joss Research Institute Web Report #22: A Commercial Excimer Head

TJIIRRS: Number 22

Some Adventures with a Commercial Excimer-Laser Head

(21 May, 2011, ff)


Some time ago we were able to acquire, on eBay, an item that is clearly the head of a very small excimer laser. It has room for two preionizers; but when we got it, only one was present, and the other edge of the cathode had a white deposit on it that I was uneasy about.


(The deposit is not visible in these photos.)

For quite a while I didn’t do anything with this structure, but it has been on my mind a lot, and a few days ago I dragged it out and started thinking about it in earnest. I usually avoid commercial parts, but here was this very fine piece of equipment, lacking only a few capacitors, a switch, and some gas; and I do have a project or two in mind that could use it.

Beginning of the Build

I have started to build a box for the head:

I have also made a new preionizer for it:

(I got some 5-mm borosilicate tubing on eBay. The vendor specified it as having 3.4-mm ID, but a 1/8″ rod failed to fit inside it, and in fact the square-cross-section 3/32″ brass tubing that I ended up using only fits in some of the pieces. Go figure.) Last modified: Tue May 24 16:27:32 EDT 2011

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I am a Researcher of the Joss Research Institute. I work primarily on lasers and ceramics, with occasional excursions into other areas.

2 responses to “Joss Research Institute Web Report #22: A Commercial Excimer Head”

  1. David Grouchy

    Is anyone working on human photosynthesis? Any idea who would be doing such research?

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