Comments

Author Comment Last activity Moderation
stoft "Unfortunately, LED wavelength does not change with applied voltage or current -- their center peak wavelength is not variable or controllable and P..." | Read more » over 8 years ago
stoft "Sure ... what's the LED's packaging style/type? SMD, leaded, ...? " | Read more » over 8 years ago
stoft "BTW .... the comments about LED 'voltage' perspective do not seem inline with LED parameters. With LEDs, it's not the voltage, it's the current you..." | Read more » over 8 years ago
stoft "Note: Their UV source was a PTI LS-100 fluorescence spectrophotometer -- no longer sold. From a google books print, it sounds like a variable-wavel..." | Read more » over 8 years ago
stoft "Note: The article can be downloaded w/o signing up using the 'Download Full Text' button at the upper right of the image frame on the web page. Fr..." | Read more » over 8 years ago
stoft "Aha; a very good description which explains things I'd read. I think it also directly supports my present contention that with a 400nm source and t..." | Read more » over 8 years ago
stoft "RIght, Jeff, those are good questions and I'm not a Chemist -- I'm just extracting from what I glean from the web. But I think it would be good to ..." | Read more » over 8 years ago
stoft "https://publiclab.org/profile/ethanbass - Thanks for your comments. As to your last note about my final plot: What I see is the depth of the "notch..." | Read more » over 8 years ago
stoft "Ok, good points and questions. [ I do not intend to sound abrupt. I'm just focused on raising technical issues I see within and surrounding this t..." | Read more » over 8 years ago