diffraction-grating
diffraction-grating


Author Comment Last activity Moderation
msuphysicsformcb "Thanks for all the advice. This class will be online next semester due to the pandemic (I’m assuming). We have no resources or facilities to dist..." | Read more » over 2 years ago
wln215 "I primarily use these gratings for my spectrometers (my professor supplies them for his optics class) as I find the square shape to be easy to buil..." | Read more » over 2 years ago
mimiss "The Public Lab store also offers diffraction grating as an option when purchasing lego spectrometers. The grating that we carry is also 1000 lines/..." | Read more » over 2 years ago
JSummers "sure, you can do it. Of course the diffraction angle will be different. It looks like the dvd has 1300 lines per mm and the grating has 1000 so t..." | Read more » over 2 years ago
Nelari "I did just that, four months ago, so that problem has already been solved – but thanks all the same. However, I could not make sense of Spectral Wo..." | Read more » over 3 years ago
Skorex "Can you cut the bottom side, glowing with rainbow colors? Thank you  On Sat, May 25, 2019 at 6:26 PM \<notifications@publiclab.org> wrote: ..." | Read more » over 3 years ago
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Nelari " Thank you; I now have a meter that seems to work OK. I gave up on the paper version, though – it was just too wobbly. I used wood, instead, to get..." | Read more » over 3 years ago
warren " Hi! The bottom side with the purple tint is the one you want. There are some good pictures on these pages: https://publiclab.org/notes/warren/12-..." | Read more » over 3 years ago
jaksch "Haha @warren thanks :) I agree, it's very similar to the plab v3! Maybe someone drew the laser cutting and the vertical slit was just a mistake. ..." | Read more » over 4 years ago
stef "You might do a search for notes by @stoft 're the plab v3 model. There are drawings that he produced and excellent discussions. The plab v3 mounts ..." | Read more » over 4 years ago
warren "This kit looks really interesting! It's not one of ours, but seems possibly based on one of ours, the #dsk3 -- i'd be interested to learn more! " | Read more » over 4 years ago
warren "This is really helpful, yes! Great sleuthing! " | Read more » over 4 years ago
jaksch "Switched the DVD-RW for DVD+R and tadaa works like a charm. So sorry for the kinda pointless topic, but maybe the info that DVD+RW does not work i..." | Read more » over 4 years ago
jaksch "Update: I build a quick and dirty horizontal slit (approx 1mm wide) and indeed the image is more broad now. However, it is very dark. Below is a p..." | Read more » over 4 years ago
Vman "Thank you so much for the idea on using heatshrink material as a material for making the slit. This is better than paper or cardboard because it di..." | Read more » almost 6 years ago
shubham "Hi wyzac How are you planning to go forward with aluminium holographic foil? Have you tried them already? I am using a flat-field concave grating ..." | Read more » over 6 years ago
wyzac "Okay, you and I want the same thing, for different reasons. I am looking for pure aluminium holographic foil, which is definitely being produced, ..." | Read more » over 6 years ago
shubham "Thanks Warren for the advice. I searched a bit on internet and I think its important that the silver salt crystal to be of sub micron size to get s..." | Read more » almost 7 years ago
warren "I wonder if you could make a diffraction grating by using the negatives of a film photo of narrowly spaced lines? " | Read more » almost 7 years ago
khufkens "@warren, not sure it justifies a separate page yet, my comment is rather low on details / text. I would need to put some context to it all if this ..." | Read more » almost 8 years ago
warren "Wow @khufkens, I think your graphs and notes merit a new research note... We could link it to this note as a followup? " | Read more » almost 8 years ago
khufkens "Related, I found this post, discussing in part the asymmetry in the current desktop spectrometer design. I'm designing a symmetrical layout similar..." | Read more » almost 8 years ago
straylight "thanks khufkens, interesting graph and really well presented. On a qualitative level, you can see this by shining the red laser through a DVD grat..." | Read more » almost 8 years ago