User:Pranav Rathi/Notebook/OT/2010/05/06: Difference between revisions
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[[Category: | [[Category:1064crystalaser]] | ||
Revision as of 13:26, 15 November 2012
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A quick run is done today at 3.64 w with laser temperature normal 84F and 54F. The difference in beam profile is clear. One more thing I noticed about the TC is, even after a period of 1hour it never reached the desired temperature of 50, it kind of stuck at 54 (the reading given by the computer) and moving very slowly an after 1.5hours it barely reached 55 (at the multimeter sensor). So I took the computer temperature in record.   Bingo!!! Look at surface profile it looks way better at 54. Horizontal profile is also way better the dip is gone. It’s obvious the profile at this temperature is way better. Tomorrow I will do the profiling from .2w to 4.1w at this temperature and then compare it with our previous results. So we know that at this temperature upto what power we can go safely in comparison to 1.7w of safe-limit at 84f. And also better understanding of TC time taking to reach at the desired temperature of 50. |
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