NARROWBAND SPECTRA OF LOW-POWERED PHOSPHOR YELLOW LEDS

This web page will be for nothing but spectra of 10mm, 8mm, 5mm, 3mm, and SMD phosphor yellow LEDS (driven at 20mA to 60mA):

Ocean Optics USB2000 Spectrometer donated by P.L.
As of 10-10-07, I've been using a PC2000-ISA Spectrometer from Ocean Optics that I received several years ago, but that I didn't have a home for until now.
As of 03-08-08, I once again have the USB2000 spectrometer, enabling color spectra again.
As of 09-19-09, I no longer have the PC2000-ISA; it was sold to prevent an eviction.

NARROWBAND SPECTRA OF PHOSPHOR YELLOW LEDS:


Spectrographic analysis of the yellow LEDs in the 50xLED Battery Operated Sound Synch Wire Lights; spectrometer's response narrowed to a band between 580nm and 620nm to pinpoint the phosphor peak emission wavelength, which is 596.270nm.


Spectrographic analysis of the yellow LEDs in the 50xLED Battery Operated Sound Synch Wire Lights; spectrometer's response narrowed to a band between 430nm and 460nm to pinpoint the peak native emission wavelength, which is 445.880nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at 50ssy.txt



Spectrographic analysis of the phosphor yellow LEDs in the 200x Multicolor LED Battery-Operated Timer Lights; spectrometer's response narrowed to a band between 570nm and 610nm to pinpoint the phosphor peak emission wavelength, which is 581.780nm.


Spectrographic analysis of the phosphor yellow LEDs in the 200x Multicolor LED Battery-Operated Timer Lights; spectrometer's response narrowed to a band between 440nm and 460nm to pinpoint the peak native emission wavelength, which is 450.120nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at 200fesy.txt



Spectrographic analysis of the phosphor yellow LEDs in the 3-Function 18-LED Ultra-Slim Wire Light Set; spectrometer's response narrowed to a band between 565nm and 585nm to pinpoint the phosphor's peak emission wavelength, which is 571.970nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at 3fus-y.txt










Do you manufacture or sell an LED flashlight, task light, utility light, module of some kind, or small-frame lasers? Want to see it tested by a real person, under real working conditions? Do you then want to see how your light or laser did? If you have a sample available for this type of real-world, real-time testing, please contact me at bdf1111@yahoo.com.

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Unsolicited flashlights, LEDs, and other products appearing in the mail are welcome, and it will automatically be assumed that you sent it in order to have it tested and evaluated for this site.
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