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uvc
uvc


Author Comment Last activity Moderation
JSummers "You can get gratings from places like Thor Labs or Edmond Optics. For a uv lamp, I would look at Thor labs or spectrometer vendors like Ocean Opti..." | Read more » almost 4 years ago
Ag8n "Anything to help. Those wavelengths are common in HPLC work. Before the new instruments, for uv/vis detectors, they would take a mercury lamp and..." | Read more » almost 4 years ago
darkdimension "@Ag8n Thank you for that bit of information. Those are spendy little lamps. I will see what I can get to work. Again, thank you for you helping me. " | Read more » almost 4 years ago
Ag8n "The typical light sources used for commercial UV spectrophotometers are deuterium lamps. These light sources easily cover 190 nm to 400 nm. They ..." | Read more » almost 4 years ago
hanswilms "Not for me. Everytime I click "save" after clicking "calibrate" it doesn't do anything other than make the "Save" button a little circle of dots. " | Read more » almost 5 years ago
liz "Seems like this is working now? " | Read more » almost 5 years ago
hanswilms "It's okay! https://spectralworkbench.org/spectrums/110231 Is there anything else I can link? Like I said, it just starts trying to save my calibra..." | Read more » almost 5 years ago
warren "Can you link us to your calibration attempt? Sorry you're having trouble! " | Read more » almost 5 years ago
cfastie "I don't recall seeing instructions for making spectra of plant leaves. Such a spectrum could be of the light reflected from the surface of a leaf o..." | Read more » almost 5 years ago
larsonreever "You'll need to ensure all your data has the same cross-section if you want to compare it or use this calibration for other readings. " | Read more » over 5 years ago
xose "I've recently tried with a Nikon D700 + Elmarit 35mm with good results. If you have an extra lens cap you can try making a hole and fix the spectr..." | Read more » over 5 years ago
sirkubax "thx, I thought about using DSLR camera (EOS 350D) that has a bigger sensor and a better lens, it might (not sure yet) capture the spectrum better " | Read more » over 5 years ago
xose "Hi! (5)You can try pointing your spectrometer to a white paper in the place of pointing it directly to the light. (6) I think that depends on the ..." | Read more » over 5 years ago
sirkubax "So you were right about 1 - on firefox rear camera works... thx Rear camera capture: p 6. How to get the image/spectrum to fill the whole capture..." | Read more » over 5 years ago
liz "Hi! Thank you for helping debug, and for being an open source supporter! Seems to me like some instructions got lost in the wash, so i'll type them..." | Read more » over 5 years ago
xose "Hi bochamu can you share some links to your uploaded spectra? " | Read more » over 5 years ago
Iqbaljurist "I assume you are in optics class with Mr. Gea " | Read more » over 5 years ago
warren "Thanks for sharing the link. Because you're using an uploaded image, the top row of pixels is quite dark, and that's the one used as your cross-sec..." | Read more » over 5 years ago
chuynh451 "Here is my latest try: https://spectralworkbench.org/spectrums/89850 " | Read more » over 5 years ago
warren "Can you link to your spectra so I can see? " | Read more » over 5 years ago
mathew "hi! could you please post only research notes that you are looking to share with our community? your experimental spectra belong on spectralworkben..." | Read more » almost 7 years ago
baconmaster "What type of grating, sensor, and light source? I am trying to get the UV and Infrared, I'm not 100% but it seems you have captured both in this ph..." | Read more » almost 7 years ago
jarrarte "This is the only info I get when the camera isn't recognized: It may be a UVC issue. I noticed a recent improvement, possibly due to some package..." | Read more » almost 8 years ago
warren "Did you have the v4l2 test images? Sometimes the UVC implementation of the hardware itself is not complete or reliable. This could be the issue he..." | Read more » almost 8 years ago