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dhaffnersr 107 research notes and 158 wiki edits | Joined over 3 years ago






























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"@stoft Hey dave, ok I did both spectral captures again with a 470nm Blue LED using a quartz cuvette for both, one using Plab's spectral workbench d..." | Read more » almost 3 years ago
"@stoft Hey dave, yes you are absolutely correct, that is why I need to purchase either a notch filter or longpass filter for the 532nm laser, both ..." | Read more » almost 3 years ago
"@stoft, Hey dave, it might make a difference that their excitation wavelength was 470nm and mine was 532nm. That's why i am doing this again but wi..." | Read more » almost 3 years ago
"@stoft Hey dave, I just wanted to shoot ya a quick reference on a comparison I did do using data from the Oregon Medical Laser Center, the sample w..." | Read more » almost 3 years ago
"@stoft, Hey dave, I'm not upset or anything like that about beign asked critical questions, I suppose I should have labeled this study as "Possible..." | Read more » almost 3 years ago
"@stoft hey dave, the comparison is really not so dissimilar, if you mean the spectral lines do not exactly match then yes, you are right. First, sp..." | Read more » almost 3 years ago
"@warren, hey jeff, man that is totally cool! " | Read more » almost 3 years ago
"@warren, hey jeff, just a quick note, I wanted to point out that I also used gorilla 2 sided tape to secure the camera and wood block down in the e..." | Read more » almost 3 years ago
"hey Jeff, @ warren, here are the links to the data: http://spectralworkbench.org/spectrums/82191 today june 22 fluorescein in ethanol http://omlc..." | Read more » almost 3 years ago
"I have a similar camera in my spectrometer and was having the same light spot interfering and showing up in the spectral data, I had to bring mine ..." | Read more » almost 3 years ago
"Hey @ d4mo, Good luck!! " | Read more » almost 3 years ago
"Hey @d4mo, no, I use a version I modified, Plab v2.5 spectrometer kit. you can check it out here: http://hackaday.io/project/12335-public-lab-spe..." | Read more » almost 3 years ago
"Well, it's been a week now since posting this proposal up and no responses except from Warren. Disappointing, so I am going to discuss some observa..." | Read more » about 3 years ago
"Supplemental experimental data related to above research study: " | Read more » about 3 years ago
"hey Jeff, yeah the 410nm LED is mine, the power supply is below: 12vdc 120vac 60Hz 750mA, the rest of the circuit is my own LED driver design. Als..." | Read more » about 3 years ago
"Here is a CFL calibration I did today, and I show both the Blue and Green bands: " | Read more » about 3 years ago
"Hey Jeff, yeah man, the foam is excellent for cutting just about any shape you want. These are the two suppliers: http://www.anchoroptics.com/cata..." | Read more » about 3 years ago
"Here are 2 more shots from the inside and on top: " | Read more » about 3 years ago
"Here are some more references: http://en.wikipedia.org/wiki/Polycyclic_aromatic_hydrocarbon Fluorescence Spectroscopy of some organic compounds; ..." | Read more » about 3 years ago
" stoft, see, that's what I'm talking about, finding the work-around, that's actually a great idea and very cost effective. " | Read more » about 3 years ago
" cristoforetti, oh yeah, that's perfectly fine I do the same thing when I build a prototype. I use some pretty unconventional material sometimes! " | Read more » about 3 years ago
"hey cristoforetti , I just wanted to give you some info on why you should be using the aluminum coated mirrors: Aluminum is also common used in m..." | Read more » about 3 years ago
"Supplemental graph with all 6 sample concentrations: " | Read more » about 3 years ago
"Sounds good, the 3D printed prototype looks cool also! " | Read more » about 3 years ago

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  • skill:electrical
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