Author | Comment | Last activity | Moderation | ||
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mathew | "In my silica wiki page, I mentioned polarized light microscopy as a detection method, and yes, I'm looking into it. What you see here is polarized..." | Read more » | about 10 years ago | |||
Paquicamus | "That is great. It's just like a double beam spectrophotometer. Any chance to post some results. For example a 10mg sodium nitrate aqueous solution,..." | Read more » | over 10 years ago | |||
mathew | "Nice! I'm going to go print one tomorrow. " | Read more » | over 10 years ago | |||
warren | "Wow, amazing progress! I love the photoshoot. Can you upload the sketchup files etc. in the research note as well? " | Read more » | over 10 years ago | |||
mathew | "wait, shorter answer-- The bandwidth is the same, but the beam will be wider. " | Read more » | over 10 years ago | |||
mathew | "The laser is a diode + a lens. Unfocused it still goes in a pretty straight line for short distances at least. There are all-in-one surface mount ..." | Read more » | over 10 years ago | |||
warren | "Huh. do laser diodes have as narrow a bandwidth as a laser? " | Read more » | over 10 years ago | |||
mathew | "I've been trying to find stand-alone diodes, and it seems that there are several chinese manufacturers of 405nm laser diodes on Alibaba that are qu..." | Read more » | over 10 years ago | |||
cfastie | "I have a smartphone spectrometer, so maybe bring a cuvette to SNOWFEST and that should be all I need. " | Read more » | over 10 years ago | |||
warren | "I wanted to work off of the actual models (or prototype models) Mathew and others made, but didn't have time to do a scaled model. Also, figuring o..." | Read more » | over 10 years ago | |||
eustatic | "cool " | Read more » | over 10 years ago | |||
cfastie | "Jeff, If you include the dimensions of the part of the spectrometer that inserts into the window, and the dimensions of the cuvettes, the next mock..." | Read more » | over 10 years ago |