Zjs log: Difference between revisions

* Spent a lot of time messing with the Cowan code. A couple issues to work out but i think it is workable, i'll write it up eventually, once i get it figured out. Here's the short story: There is a version of the code by Alex Kramida that is compiled for windows, it includes the 4 core programs: RCN, RCN2, RCG, RCE. This runs from DOS but the output is not very easy to interpret. There are scripts that automate running the above programs and parse the output into something a little more useful. However these only work with Unix/Linux, although there is a workaround for in windows using a sort of Linux terminal emulator called Cygwin. This should work although i haven't been able to get it to work so far. Alternatively you can compile and install the programs in Linux, but i haven't been able to get that to work either. The third option is to rather than use the pre-compiled versions, to compile the programs via Cygwin in Windows. I haven't been able to get this to work yet, but i haven't spent much time trying either. In any case, one of these options should work and allow the use of the scripts.

* The science: we put some green light through the Eu:YSO crystal at 5K. We're currently using the set-up with the tapered amplifier rather than the 1055 fiber laser as we're hunting around for the transitions and don't want to disrupt the fiber laser seed. We see some evidence of the transitions, not so much absorption but fluorescence; it looks pretty bright orange.