Re: Request for spectral data of light sources
Re: Request for spectral data of light sources
- Subject: Re: Request for spectral data of light sources
- From: Marco Ugolini <email@hidden>
- Date: Sat, 13 Oct 2007 20:27:41 -0700
- Thread-topic: Request for spectral data of light sources
In a message dated 10/13/07 7:55 PM, Roger Breton wrote:
>> Can anyone provide a full set of spectral data (say, 380 to 730nm) of the
>> following?
>>
>> a) A "typical" LED light source? (Or of a few examples of LED light sources)
>>
>> b) A pulsed-Xenon light source.
>
> Xenon = Roy Burns's Principles of Color Technology p.7, look for the "green"
> curve. Pretty much the closest thing to D65. Used in many (if not all)
> sphere-based benchtop instruments.
I see it. Pretty spiky too.
I also found this other spectral graph of a POX-2 Pulsed Xenon Light Source:
<http://www.oceanoptics.com/products/px2.asp>
*Very* spiky.
> White LED = http://en.wikipedia.org/wiki/Image:White_LED.png
Mmm.... There's also this other LED spectral graph on Wikipedia:
<http://tinyurl.com/3cqwcs>
Looks very smooth. In other words, it all sounds quite contradictory still:
if pulsed-Xenon is supposed to be smooth and LED spiky, that is not
supported by what I am seeing so far.
Marco Ugolini
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