oil-testing-kit-beta-calibration
oil-testing-kit-beta-calibration


Author Comment Last activity Moderation
warren "Hi, Cindy - can you link to your actual data on SWB? The average should be in the "ideal exposure range" but the important part for the 3 color ch..." | Read more » almost 9 years ago
stevie "@Cindy_ExCites :) This was awesome. I'm writing a workshop on calibration and scanning and this was Super helpful :). Any chance you've moved on to..." | Read more » almost 9 years ago
mathew "I'm trying to figure out what this flat spot is, its just soo flat! I associate it with a blow out. Digging in to the spectra themselves on your ..." | Read more » almost 9 years ago
cindy_excites "Hi @mathew! So you mean that in all the scans above where I see the intense blue channel had overexposure? As in the post https://publiclab.org/wik..." | Read more » almost 9 years ago
stevie "Cindy this is awesome :) I'm working on a workshop where participants will need to calibrate. This material is really helpful! Thanks for posting! " | Read more » almost 9 years ago
mathew "Cindy the flat spots on your spectra are the blown out blue channel: https://publiclab.org/notes/mathew/09-23-2014/graded-oils-using-uv-fluorescenc..." | Read more » almost 9 years ago
semitones "@warren raman scattering is usually a very weak effect, and not easily seen. The stokes and anti stokes lines are very small compared to the main f..." | Read more » about 9 years ago
zev "fantastic work! " | Read more » about 9 years ago
cindy_excites "Yes, I can post a picture of two cuvettes when I get back to the UK (after Dec. 8th). And yes, I'd like to learn more about the Raman scattering. A..." | Read more » about 9 years ago
warren "Hi, Cindy - so, any of the ones where you just have a sharp spike around 405 nm just mean that there was not any fluorescence, or perhaps just none..." | Read more » about 9 years ago
warren " " | Read more » about 9 years ago
warren "Huh, did your diffuser make it easier to get bright spectra? Why did you choose to use one? The red light bulb is an experimental "fluorescent lig..." | Read more » about 9 years ago
warren "Hi, Cindy - wow, you had spectacularly well-lit scans! Your laser must be quite powerful, or your camera especially sensitive. I wonder what accoun..." | Read more » about 9 years ago
cindy_excites "Ah, yes, that makes a lot of sense, thank you Ethan! I used the part which seemed to have the least purple residue - leftover from the disc separat..." | Read more » about 9 years ago
ethanbass "Hi, in regards to your question about the placement of the DVD fragment, I think the idea is to align your camera so that it is pointed as close to..." | Read more » about 9 years ago