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Author | Comment | Last activity | Moderation | ||
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cfastie | "I didn't know sodium was used as a phosphor in CFL lamps. That green line is one of the brightest in CFL spectra and in all mercury spectra, and me..." | Read more » | over 6 years ago | |||
dsvilko | "By comparing my spectra of the Sun (more lines for precise polinomial callibration) with that of the CFL lamp, I can confirm that the green line is..." | Read more » | over 6 years ago | |||
stevie | "Hi there! Excited about the GSoC projects! If anyone has things I could test out I'd love to check them out. Not a coding person, but I can run thr..." | Read more » | over 6 years ago | |||
ananyo2012 | "Thanks Jeff for the appreciation! I am also overwhelmed to see the number of contributors in our codebase and it keeps growing! " | Read more » | over 6 years ago | |||
liz | "This is a great report, thanks for posting! " | Read more » | over 6 years ago | |||
liz | "Thanks @zega! " | Read more » | almost 7 years ago | |||
zega | "Oh and i suggest using QTI plot (you can zoom into graph data way better then excel, plot traces with just right click/plot) very nice open source ..." | Read more » | almost 7 years ago | |||
zega | "Yes i do, here: FC__long.txt " | Read more » | almost 7 years ago | |||
warren | "Oh, great -- do you have raw data for these as well, like CSVs? " | Read more » | almost 7 years ago | |||
zega | "I will start with long CFL tubes that i just did... Unfortunately i don't have bare tube (diffuser in front/office lights) that might play same ro..." | Read more » | almost 7 years ago | |||
cfastie | "Hi Robert, In this note and comments we were lamenting the lack of replicate spectra of CFL lamps to confirm the information at the Wikipedia page...." | Read more » | almost 7 years ago | |||
warren | "Oh thanks! I believe, but Chris may correct me, that it'd be sufficient to measure a cold long tube fluorescent lamp and compare it to pretty much ..." | Read more » | almost 7 years ago | |||
zega | "@warren , @cfastie I see i'm kinda late to the party, i can offer source verification (you can ship CFL source to me) with 3rd party device, Ocean..." | Read more » | almost 7 years ago | |||
warren | "Just got this up -- a little late again, as usual. Please leave any feature requests, feedback, ideas or questions you have here in the comments! " | Read more » | over 7 years ago | |||
mathew | "those flat spots are the clipping I warned about in my note: https://publiclab.org/notes/mathew/09-23-2014/graded-oils-using-uv-fluorescence " | Read more » | almost 8 years ago | |||
warren | "Hmm. So I'm wondering if part of the fit problem is because we're simply comparing intensity at the 14 points and 13 troughs. Take this example: ..." | Read more » | almost 8 years ago | |||
warren | "Cool, thanks! I was mainly looking for a citation for the most common forms of Hg, and/or a clear reference for which is found in CFL bulbs. But aw..." | Read more » | almost 8 years ago | |||
gretchengehrke | "I'm happy to post my dissertation, but it has nothing to do with this (it explores natural Hg isotopic composition and fractionation in the marine ..." | Read more » | almost 8 years ago | |||
warren | "I'm going to revise: 211px and 742px, out of a total of 1390px. " | Read more » | almost 8 years ago | |||
warren | "Oops, meant to share links to my tests -- here's the one I used the new calibration system on, and listed 3 approximate errors for: https://spectra..." | Read more » | almost 8 years ago | |||
warren | "Hmm. I guess there are pros and cons to each approach. I agree that the 546 line doesn't result in a great linear calibration -- some end up about..." | Read more » | almost 8 years ago | |||
cfastie | "If the original Snowy Sky CFL is calibrated by pinning down the 436 nm and 546 nm peaks (using a macro) it looks like this: Most of the peaks do..." | Read more » | almost 8 years ago | |||
warren | "OK - I'm adapting the calibration slider to use the photoshop-corrected version of the Snow Sky spectrum. I read the blue 436 peak at 210px from l..." | Read more » | almost 8 years ago | |||
warren | "Would you be willing to try a recalibration using the 436/546 lines as a starting point? Would that be useful as a point of comparison? Also - I b..." | Read more » | almost 8 years ago |