UV-Vis Lamps

September 21, 2007 at 10:58 am | | stupid technology

I’m still trying to figure out this one. The first trace is a transmission spectrum taken of a potentially suspect optic. A handful of scans later, the lamp burned out, and the second is that taken with the new lamp, same optic. Both in dual beam mode, with no additional background subtraction or zeroing.

Thankfully, the stupid check prevented me from drawing conclusions based on the original scan (you can’t have a lasing cavity with a Q=.05), although the shape matched almost exactly with the anomaly we were seeing. Weird, huh?

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  1. Lesson: put in a new lamp every scan.

    Comment by sam — September 21, 2007 #

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