desktop-spectrometer
desktop-spectrometer


Author Comment Last activity Moderation
warren "Sunwukong - I would love to see a pic of your setup; is it connected to a telescope? " | Read more » about 11 years ago
cfastie "Sunwukong, You can download the data from any spectrum at SpectralWorkbench.org. So at this page for one of the nicer CFL spectra from Ebert, you c..." | Read more » about 11 years ago
sunwukong "Do you have a data source for the intensity, pixl, wave length for the CFL in this image. Pictures are beautiful. I have a similar setup using so..." | Read more » about 11 years ago
warren "Wait, 200nm? Can you post a spectrum you captured with this new setup? Cool! " | Read more » over 11 years ago
sonofaquark "thanks, that's where i'll start. you guys are doing great work! " | Read more » almost 12 years ago
warren "You should reach out on the spectrometry list and perhaps form a team for the Spectral Challenge! (http://spectralchallenge.org) " | Read more » almost 12 years ago
sonofaquark "I am interested in roughly the same end, but it is not simple to detect these chemicals optically. It can be done however, by looking at the absor..." | Read more » almost 12 years ago
Smokey45 "Ok, thanks Jan! " | Read more » almost 12 years ago
pluharj "It really depends what you wish to measure. For example some algae change color of water, so you can measure them directly. I would suggest first o..." | Read more » almost 12 years ago
warren "Again, super write-up. Some thoughts that might be helpful: for cfl calibrations without moving the device -- what about putting a small mirror o..." | Read more » almost 12 years ago
Smokey45 "Dear Jan, Thank you for your reply. It is good to know that I need to add an indicator. Now I need to figure out what is possibly in the water that..." | Read more » almost 12 years ago
pluharj "Dear Smokey, as explained earlier, this spectrometer can read light intensity in spectral range 400 - 900 nm which is mostly visible light. So you ..." | Read more » almost 12 years ago
cfastie "Hi Spectralod, Your long tube CFL spectrum is calibrated correctly. I am not sure why you are not getting more distinct peaks with regions between ..." | Read more » almost 12 years ago
spectralod "I should have also said that I don't understand this website. It's all over the place. Is there one of those standardized forums you could use inst..." | Read more » almost 12 years ago
spectralod "How do you calibrate anything? I haven't figured this out yet. I don't have 3 blue wavelengths to choose from...I don't know which other green wave..." | Read more » almost 12 years ago
Tom_H "Chris, I also noticed the 405nm line was all but absent in your spectrum, and that is one reason I brought up my previous experience. I came acros..." | Read more » almost 12 years ago
cfastie "Tom, How did the CFL lines drop off in your earlier spectra? I have noticed that my spectral images taken with P&S and DSLR cameras do not reco..." | Read more » almost 12 years ago
Tom_H "Chris, How did you overlay the spectral image on the Excel graph? There is another way to extract data from the camera image: Use a software that..." | Read more » almost 12 years ago
Tom_H "Good job. I am inspired to work on a similar project. I love the way you recycle what most see as junk! A man after my own heart. I made a spect..." | Read more » almost 12 years ago
warren "Wow, i did not regret that. " | Read more » almost 12 years ago
cfastie "You tell me. " | Read more » almost 12 years ago
warren "If i watch the video, will I know why the post is named "Ebert"? " | Read more » almost 12 years ago
straylight "rather nice. I need to lift my game ! :) " | Read more » almost 12 years ago
gonzoearth "It looks awesome. I look forward to trying lots of these tweaks! " | Read more » almost 12 years ago