rkymtnman
Well-Known Member
i think they put it at #5 cause it has a worse spectrum than blurple.That one on the far right sure looks comparatively monochromatic to me.
i think they put it at #5 cause it has a worse spectrum than blurple.That one on the far right sure looks comparatively monochromatic to me.
thus, it is important in an artificial light-setup because:The sun has the best emerson effect cause its a gas is non factual and sorry it shows you havent read up what it actually is or when it applies. To be clear: emerson effect is negligble at sun light intensity levels, it is only a thing in low light levels. Again your drinking from the hype coolaid with out going after facts.
Those charts don't show band gaps just a continuous spectral emission which is not a full picture. Like make peaks join the dots and you get a similar problem describing a technical aspect of light.maybe you missed this on page 12?
View attachment 5101843
maybe you didn't see the real meaning of that graphic:Those charts don't show band gaps just a continuous spectral emission which is not a full picture. Like make peaks join the dots and you get a similar problem describing a technical aspect of light.
It's why leds use luminescent coatings but I have already explained.
Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!maybe you didn't see the real meaning of that graphic:
it goes from sunlight on the left (best) to hps on the right(worst) spectrum.
If the drivers dim to off then the one can stay on for EOD. If you can provide two different dimming signals (which you can with Trolmaster).It doesnt look like it, looks like one ac cable for both drivers. Just so tiresome...
not to brag, but i've grown cannabis under all 5 of those lighting types. plus metal halide. you?Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!
Don't bother I understand a lot of this goes over your heads, those charts were the same before improvements were made which shows there was a serious problem in how they portray light.
better than just to make up something, isnt it?Shes probably buried in her scientific journals right now
Copy n paste... It is coming
Shit and there's me thinking you would type up the limitations of luminescent coatings, band gap diagrams on spectral emissions and give some real truths.
greg i dont think you understand what a band gap is.Again the charts don't show band gaps, even when they improve leds how can they improve what looks to be an already perfect emmision of every wavelength under the sun!
Don't bother I understand a lot of this goes over your heads, those charts were the same before improvements were made which shows there was a serious problem in how they portray light.
I don't know why it wasn't always both. After awhile, I think people started to understand what was a good light or not based on the key components. It wasn't so much that one company had real, distinct, proprietary differences from one to the next....Cree, Samsung, Meanwell...etc. The way that companies started to distinguish themselves was through better customer service.So it's precise information about the product I am buying OR someone being nice to me? why can't it be both?
Oh yeah. I remember that name now. Yeah, I bought one of his lights, too! It STILL works great! Great light....TERRIBLE customer service!Eraserhead was his name here. I was an original a51 customer. Still rock my xgs190s. Pretty good sidelights
ding ding ding! we have a winner! I've seen people misunderstanding the concept of band gaps in this way so many times, but I'm not well versed enough in the specifics to communicate it the way you have. Thanks for putting this information out there for myself and others.greg i dont think you understand what a band gap is.
band gaps in leds are not refering to actual gaps in the light spectrum, they refer to the range in which different underlying led semi conductor material will allow an electron to pass from the conductive band to the valiance band giving of a photon in the process.
different semi conductors have different band gap ranges which in turn give off photons of different wavelenghts.
if you look at the standard white diode its based on a indium gallium nitride semi conductor, for InGaN the band gap generates photons roughly around 450nm (the big blue peak on led spectrum graphs) a phosphor coating then converts some of these blue photons into the other colour wavelengths you see on the spectrum graphs.
there are no gaps...
See ? … I had similar grabs
The spectrum graphs indicate no gaps, put all the bands and luminescent coatings and there are gaps. I've said every way possible for you to work this out.greg i dont think you understand what a band gap is.
band gaps in leds are not refering to actual gaps in the light spectrum, they refer to the range in which different underlying led semi conductor material will allow an electron to pass from the conductive band to the valiance band giving of a photon in the process.
different semi conductors have different band gap ranges which in turn give off photons of different wavelenghts.
if you look at the standard white diode its based on a indium gallium nitride semi conductor, for InGaN the band gap generates photons roughly around 450nm (the big blue peak on led spectrum graphs) a phosphor coating then converts some of these blue photons into the other colour wavelengths you see on the spectrum graphs.
there are no gaps...
Do you have evidence to support your assertions, outside of a manufacture's claims?The spectrum graphs indicate no gaps, put all the bands and luminescent coatings and there are gaps. I've said every way possible for you to work this out.
Let's back to those graphs, the sun's spectrum has lots of tiny gaps if we look on a spectrograph, do your now saying LEDs have more wavelengths than the sun.
Either way you want to put it you come out wrong, were not talking peaks and troughs just electromagnetic wavelengths, come on how have you made a light with more wavelengths than the sun!
I don't wish to cause an argument but I am confused by what you mean as "gaps" in LED spectra. We use a Danish Viso Systems LabSpion Goniometer to measure our lights and this system is regarded as not only one of the most accurate light measuring devices on the market but it measures every single nanometer. If you look at the exploded view of the report below you will see all the little jagged peaks where each nm has been measured. You may be correct that each nm is then blended but how big a gap are we talking? I am very interested to know this.The spectrum graphs indicate no gaps, put all the bands and luminescent coatings and there are gaps. I've said every way possible for you to work this out.
Let's back to those graphs, the sun's spectrum has lots of tiny gaps if we look on a spectrograph, do your now saying LEDs have more wavelengths than the sun.
Either way you want to put it you come out wrong, were not talking peaks and troughs just electromagnetic wavelengths, come on how have you made a light with more wavelengths than the sun!