Recent content by Chris Wallin

Thanks for the inputs. We were looking for an eutectic alloy alternative to Mercury and Galinstan at room temperature and obviously were misled into thinking the Lithium-Strontium system had such properties.

Yes, you are right, but that's for me to determine. I'm still validating theoretically that this will work (refer post #8).

Thanks f95toli. Yes, you are right, I was not paying attention to the femtosecond duration. Having done more research, I simply need a heating effect of the pulsed light in addition to atomic excitation to create motion in the liquid compound, in a similar way to boiling water, i.e...

Hello! I am looking for a eutectic (liquid) alloy that includes Strontium and Lithium at or near room temperature. Does anyone have an idea of where to look for it? Thanks!

Thanks Nidum. Most appreciated and interesting. Let me see what comes out of these pointers. I can tell you know something about lasers. I could hardly spell it in 1970! :)

Thanks for that f95toli. The laser cutters I came across seem to have a pulse range of about 100 kHz–1 MHz (refer http://www.spectra-physics.com/products/ultrafast-lasers/spirit?cat=micromachining&subcat=femtosecond#specs), sometimes up to 2MHz. I originally was planning on controlling the pulse...

Thanks again for the replies. I will investigate laser cutting. It may shed light on my main question which is how the high frequency pulsing of light (such as UV) as opposed to steady light (e.g. UV laser beam) affects a metallic alloy. This effect would no doubt change with frequency.

Thanks Nidum. Will check that out.

I'm out of work in electrical engineering at the moment and am spending time on projects that have intrigued me for a long time but that I have not had time to get into. Then I got the idea to google a forum that may attract people of similar interests, and here I am! :) Have a look at my...

I'm trying to understand the effect on a metal alloy of UV light (diode or laser) pulsing at about 1MHz. I am assuming that the stirring of atoms will generate heat, possibly moving the alloy to its eutectic point (depending on the alloy) and in particular to atomic motion. Can anyone...