| 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 » | over 6 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 » | over 6 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 » | over 6 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 » | over 6 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 » | over 7 years ago | |||
| liz | "Seems like this is working now? " | Read more » | over 7 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 » | over 7 years ago | |||
| warren | "Can you link us to your calibration attempt? Sorry you're having trouble! " | Read more » | over 7 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 » | over 7 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 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 » | almost 8 years ago | |||
| xose | "Hi bochamu can you share some links to your uploaded spectra? " | Read more » | almost 8 years ago | |||
| Iqbaljurist | "I assume you are in optics class with Mr. Gea " | Read more » | almost 8 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 » | about 8 years ago | |||
| chuynh451 | "Here is my latest try: https://spectralworkbench.org/spectrums/89850 " | Read more » | about 8 years ago | |||
| warren | "Can you link to your spectra so I can see? " | Read more » | about 8 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 » | over 9 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 » | over 9 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 » | over 10 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 » | over 10 years ago |