raman
raman


Author Comment Last activity Moderation
dhaffnersr "Well I don't have a degree in chemistry, but I have training in it both in the Navy and a robotic's company I use to work for. My raman setup isn't..." | Read more » over 8 years ago
pdhixenbaugh "Cool! What's your background in Chemistry? I am a recent grad, and spent a lot of time in undergrad labs doing Raman spectroscopy, so I'm curious t..." | Read more » over 8 years ago
eustatic "neat. a new role for green lasers? " | Read more » over 8 years ago
emontoya57 "Hi Warren, SERDS means Shifted Excitation Raman Difference Spectroscopy. A good open access article on the subject is available at: http://downloa..." | Read more » over 8 years ago
emontoya57 "Yes Warren, and the cheap ones (OD 4) have a FWHM of aobut 3 nm, centered at the laser line. Fluorescence is always unwanted and Raman signals are ..." | Read more » over 8 years ago
warren "Thanks! the cleaning filters, then, are very narrow-pass filters to ensure the green input laser is only the 532nm light? And is Raman mostly/alwa..." | Read more » over 8 years ago
emontoya57 "Hi Warren, I am really trying to make the device sa cheap as possible. I my first trials Ia used a REBEL T3 with its default lens (about US$ 400 in..." | Read more » over 8 years ago
warren "Wow, very exciting. I see the build cost was $3000, but much of that is the nice camera and lens; the long-pass Raman edge filter, though, costs $4..." | Read more » over 8 years ago
flatCat "@peter2975 I would not recommend using PLA filament... You can refer to the '3D Printed Part Guidlines' on the hackaday page at https://hackaday.i..." | Read more » almost 9 years ago
peter2975 "Hi I am using pursa i3 printer with cura software.After printing the parts i am not getting good finish as your. I am using PLA filament can you..." | Read more » almost 9 years ago
flatCat "@peter2975 - I would imagine sheet metal would be exceedingly difficult to work in these dimensions and retain the accuracy required.. Having said ..." | Read more » almost 9 years ago
peter2975 "Hi Can 3D printable component can be made from sheet metal . Please let me know Peter " | Read more » almost 9 years ago
flatCat "@HoshiChemist Hi, thanks..! If you're building according to the current design without any mods, it'll probably cost you around that.. Depending ..." | Read more » over 9 years ago
HoshiChemist "This is awesome. Could anyone give me an estimate of the cost of this assuming that I have a commercial 3D printer? I see an earlier post states ~$..." | Read more » over 9 years ago
flatCat "Hi Peter... The 'retired' directory contains the older version that I started with.. The 3d printable folder is the current version that you see ..." | Read more » over 9 years ago
peter2975 "Hi, Can you please let me know in Github which file has to used for 3d printing as their are two folder one is 3d printable and another is 3d print..." | Read more » over 9 years ago
peter2975 "Hi, Can you please let me know in Github which file has to used for 3d printing, Thanks Peter " | Read more » over 9 years ago
flatCat "No need to be sorry! I hope I helped... Also, if you are building the ramanPi using the schematics/boards I designed....don't forget to swap the ..." | Read more » over 9 years ago
peter2975 "Hi Sorry about the wrong connection anyway thanks for the information and regarding the Raspberry Pi as per your BOM it is Raspberry Pi Model B+ 5..." | Read more » over 9 years ago
flatCat "Hi Peter... Perhaps try emailing me directly... Your diagram above depicts the Nucleo's USB plugged into the HDMI of the raspberryPi B+... I'll go..." | Read more » over 9 years ago
peter2975 "Hi I hope the the below photo is how the nucleo boards is connected to the raspberry pi through usb " | Read more » over 9 years ago
flatCat "Hi Peter... The main block diagram, shows it.. and some of the project logs indicate it.. and I suppose I could have indicated it better... but th..." | Read more » over 9 years ago
peter2975 "Hi I could not find the information or documentation on the Interconnections between the Main raspberryPi board and with three Nucleo Board. Can y..." | Read more » over 9 years ago
flatCat "Hi Peter... All of the information and documentation is located on the Hackaday.io website... http://hackaday.io/project/1279 You can also find ..." | Read more » over 9 years ago