| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| mathew | "yes-- I used even smaller ones, the #4 caps. they have a nice "snap" closed that seals them when pushed together. gelatin passes UV, I believe. ..." | Read more » | about 10 years ago | |||
| donblair | "Ah, found a pic: " | Read more » | about 10 years ago | |||
| donblair | "Woohoo! Mathew, this is brilliant. Could you include a closeup shot of the gel cap w/out liquid -- or I'll just search online -- are they relative..." | Read more » | about 10 years ago | |||
| mathew | "that is heartening to see, that is a nice response curve for the oil " | Read more » | about 10 years ago | |||
| mathew | "Hmmm... yeah. The SYBA was a good camera. it has 2x the silicon. I've been searching for 1/3" CCD security cameras-- that would put us back to th..." | Read more » | about 10 years ago | |||
| warren | "Hi, Mat - I've noticed that olive oil fluorescence is much dimmer than crude oil fluorescence, and I shipped you some crude samples this morning. T..." | Read more » | about 10 years ago | |||
| MaikB85 | "Very good project! I also want to build up my own spectrometer for analysing LEDs. I want to use it with an arduino. Can you tell me how you connec..." | Read more » | about 10 years ago | |||
| mathew | "I reported a lensing effect from the curved top of the gel caps, and wanted to answer the question of whether the fluorescence could be improved if..." | Read more » | about 10 years ago | |||
| mathew | "what are Biro's? " | Read more » | about 10 years ago | |||
| amysoyka | "How about using empty Biro's? " | Read more » | about 10 years ago | |||
| flatCat | "Thank you Matthew! I'm glad you appreciate it! I'm having a great time creating this thing.. If CSV data can be imported, then that should be a ..." | Read more » | about 10 years ago | |||
| mathew | "I can't stop being flabbergasted at the intricacy of your creation. Currently, CSV data can be imported into spectral workbench, so there should b..." | Read more » | about 10 years ago | |||
| flatCat | "And as promised, here are a couple shots of the spectrometer progress... " | Read more » | about 10 years ago | |||
| flatCat | "Hi Matthew.. I don't see why not... It might take a slight adaptation, one that I had already considered doing anyway... using the raspiCam instea..." | Read more » | about 10 years ago | |||
| mathew | "Is there any way we can put this data into Spectral workbench? " | Read more » | about 10 years ago | |||
| eustatic | "waaaaaaaaaaaaaaaaaat " | Read more » | about 10 years ago | |||
| flatCat | "Thanks Warren! I'm finishing up the spectrometer parts today! I'll post some pics when I finish printing them... " | Read more » | about 10 years ago | |||
| flatCat | "Thanks..! I'm actually using two razor blades screwed into the print... I tried printing them previously, with mixed results... The blades seem t..." | Read more » | about 10 years ago | |||
| bhickman | "Thats pretty sweet flatCat. Did you print your slit? " | Read more » | about 10 years ago | |||
| warren | "Wow! So awesome!!! " | Read more » | about 10 years ago | |||
| flatCat | "Very nice..! I threw something similar together last night actually.. As a test stand for the optics I'm using to build my raman spectrometer... ..." | Read more » | about 10 years ago | |||
| mathew | "What happens if you unscrew the lens on the laser and put it in front of the LED? can you concentrate the light to make a brighter point? " | Read more » | over 10 years ago | |||
| borsaci06 | "great work... I am also thinking about building a spectrometer with linear ccd... however I scavenged the ccd from an old scanner and donot know an..." | Read more » | almost 11 years ago | |||
| bhickman | "Hi Taylor. Your right that the LED is limited in the wavelengths it emits. I have made another design that uses a halogen bulb which covers ~350nm ..." | Read more » | about 11 years ago |