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NARROWBAND SPECTRA OF LOW-POWERED PHOSPHOR WARM WHITE LEDS


This web page will be for nothing but spectra of 10mm, 8mm, 5mm, 3mm, and SMD LEDS (driven at 20mA to 60mA; with the exception of the LED in the Motion-Sensing Spotlight):

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.

LOW-POWERED PHOSPHOR WARM WHITE LEDS; SPECTROMETER'S RESPONSE BAND NARROWED TO PINPOINT NATIVE EMISSION BAND:

Spectrographic analysis
Spectrographic analysis of the LEDs in the 10 Warm White LED Snowflake Lights; spectrometer's response narrowed to a band between 430nm and 450nm to pinpoint native emission peak wavelength, which is 439.510nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the 10 Warm White LED Snowflake Lights; spectrometer's response narrowed to a band between 565nm and 585nm to pinpoint phosphor emission peak wavelength, which is 570.610nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/10snow.txt
















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

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