NARROWBAND SPECTRA OF LOW-POWERED PHOSPHOR GREEN LEDS

This web page will be for nothing but spectra of 10mm, 8mm, 5mm, 3mm, and SMD phosphor green 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 GREEN LEDS:


Spectrographic analysis of the green LEDs in the 50xLED Battery Operated Sound Synch Wire Lights; spectrometer's response narrowed to a band between 505nm and 535nm to pinpoint the phosphor peak emission wavelength, which is 517.880nm.

I was unable to obtain a viable spectrum of the native blue band because the phosphor emission was "stepping on" it.

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



Spectrographic analysis of the phosphor green LEDs in the 200x Multicolor LED Battery-Operated Timer Lights; spectrometer's response narrowed to a band between 505nm and 535nm to pinpoint the peak emission wavelength, which is 516.490nm.

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



Spectrographic analysis of the phosphor green LEDs in the 3-Function 18-LED Ultra-Slim Wire Light Set; spectrometer's response narrowed to a band between 555nm and 575nm to pinpoint the phosphor's peak emission wavelength, which is 564.840nm.


Spectrographic analysis of the phosphor green LEDs in the 3-Function 18-LED Ultra-Slim Wire Light Set; spectrometer's response narrowed to a band between 440nm and 460nm to pinpoint the native peak emission wavelength, which is 447.650nm.

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