NARROWBAND SPECTRA OF LOW-POWERED PHOSPHOR BLUE LEDS


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

Spectrographic analysis
b Spectrographic analysis of the phosphor blue LEDs in the 3-Function 18-LED Ultra-Slim Wire Light Set; spectrometer's response narrowed to a band between 510nm and 530nm to pinpoint the phosphor's peak emission wavelength, which is 520.290nm.

Spectrographic analysis
Spectrographic analysis of the phosphor blue LEDs in the 3-Function 18-LED Ultra-Slim Wire Light Set; spectrometer's response narrowed to a band between 430nm and 450nm to pinpoint the native peak emission wavelength, which is 440.220nm.

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