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NARROWBAND SPECTRA OF SPECIAL COLOR LEDS (NEWEST {03-25-12 and 01-13-13} SPECTROMETER SOFTWARE SETTINGS USED)


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.

SPECIAL COLOR LEDS; SPECTROMETER'S RESPONSE BAND NARROWED (NEWEST {03-25-12 and 01-13-13} SPECTROMETER SOFTWARE SETTINGS USED):

Spectrographic analysis
Repeat spectrographic analysis of the red LEDs in the LED Battery-Operated Christmas Lights; spectrometer's input greatly overloaded (even more so than the last two analyses) in an attempt to find a blue, blue-green, or green pump wavelength because an expert in LEDs who's work I implicitely trust speculates that this may in fact be a phosphor red LED! Spectrometer's response narrowed to a band between 410nm and 470nm to pinpoint native emission peak wavelength, which is 442.700nm; this confirms without a doubt that these are those wily and elusive phosphor red LEDs!


The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/45/x21-r3.txt.
This data file has been limited to a spectral response from 410nm to 470nm.


Spectrographic analysis
Repeat spectrographic analysis of the red LEDs in the LED Battery-Operated Christmas Lights; spectrometer's input greatly overloaded (even more so than the last analysis) in an attempt to find a blue, blue-green, or green pump wavelength because an expert in LEDs who's work I implicitely trust speculates that this may in fact be a phosphor red LED! Spectrometer's response narrowed to a band between 410nm and 460nm to pinpoint native emission peak wavelength, which is 440.220nm.

Spectrographic analysis
Note the spike at ~440nm; this pretty much discounts spectrometer noise.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/x21-r2.txt.
This data file has been limited to a spectral response from 400nm to 460nm.


Spectrographic analysis
Spectrographic analysis of the red LEDs in the LED Battery-Operated Christmas Lights; spectrometer's input greatly overloaded in an attempt to find a blue, blue-green, or green pump wavelength because an expert in LEDs who's work I implicitely trust speculates that this may in fact be a phosphor red LED! Spectrometer's response narrowed to a band between 410nm and 455nm to pinpoint native emission peak wavelength, which is 443.050nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/x21-r.txt.
This data file has been limited to a spectral response from 400nm to 455nm.


Spectrographic analysis
Spectrographic analysis of the phosphor yellow LEDs in the LED Battery-Operated Christmas Lights; spectrometer's response narrowed to a band between 442nm and 452nm to pinpoint native emission peak wavelength, which is 447.650nm.


Spectrographic analysis
Spectrographic analysis of the yellow LEDs in the LED Battery-Operated Christmas Lights; spectrometer's response narrowed to a band between 560nm and 580nm to pinpoint phosphor emission peak wavelength, which is 569.930nm.

The raw spectrometer data (tab-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/44/xmas21-y.txt


Spectrographic analysis
Spectrographic analysis of the LEDs in the Battery-Powered Phosphor Purple LED Halloween Lights; spectrometer's response narrowed to a band between 440nm and 450nm to pinpoint native emission peak wavelength, which is 444.820nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the Battery-Powered Phosphor Purple LED Halloween Lights; spectrometer's response narrowed to a band between 600nm and 650nm to pinpoint phosphor emission peak wavelength, which is 628.010nm.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/43/hallpurp.txt


Spectrographic analysis
Spectrographic analysis of the LED in the end of the iSMěK Electronic Cigarrette; newest (01-13-13) spectrometer software settings used. Spectrometer's response narrowed to a band between 440nm and 450nm to pinpoint native emission peak wavelength, which is 444.820nm.


Spectrographic analysis
Spectrographic analysis of the LED in the end of the iSMěK Electronic Cigarrette; newest (01-13-13) spectrometer software settings used. Spectrometer's response narrowed to a band between 620nm and 670nm to pinpoint phosphor peak wavelength, which is 658.030nm.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/43/ismok.txt


Spectrographic analysis
Spectrographic analysis of the LED in the Warm White LED Novelty Flashlight; spectrometer's response narrowed to a band between 440nm and 450nm to pinpoint native emission peak wavelength, which is 637.620nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Warm White LED Novelty Flashlight; spectrometer's response narrowed to a band between 550nm and 600nm to pinpoint phosphor emission peak wavelength, which is 637.620nm.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/42/wwnov.txt


Spectrographic analysis
Spectrographic analysis of the LED in the purple version of the Lambda's Keylight Nano; spectrometer's response narrowed to a band between 450nm and 460nm to pinpoint native emission peak wavelength, which is 453.290nm.


Spectrographic analysis
Spectrographic analysis of the LED in the purple version of the Lambda's Keylight Nano; spectrometer's response narrowed to a band between 610nm and 670nm to pinpoint phosphor peak wavelength, which is 644.880nm.

The raw spectrometer data (comma-delimited that can be loaded into Excel) is at http://ledmuseum.candlepower.us/42/keypur.txt


Spectrographic analysis
Spectrographic analysis of the LED in the Warm White Standard Window Candle; spectrometer's response narrowed to a band between 455nm and 475nm to pinpoint native emission peak wavelength; which is 465.507nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Warm White Standard Window Candle; spectrometer's response narrowed to a band between 560nm and 580nm to pinpoint phosphor emission peak wavelength; which is 572.555nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Life+Gear Purple LED Eco Light Stick; spectrometer's response narrowed to a band between 430nm and 460nm to pinpoint native emission peak wavelength, which is 444.816nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Life+Gear Purple LED Eco Light Stick; spectrometer's response narrowed to a band between 600nm and 640nm to pinpoint phosphor emission peak wavelength, which is 625.388nm.


Spectrographic analysis
Spectrographic analysis of some of the LEDs in the Warm White 'Chasing' LED Light Set; spectrometer's response narrowed to a band between 440nm and 460nm to pinpoint native emission peak wavelength, which is 449.007nm.


Spectrographic analysis
Spectrographic analysis of some of the LEDs in the Warm White 'Chasing' LED Light Set; spectrometer's response narrowed to a band between 515nm and 535nm to pinpoint phosphor emission peak wavelength, which is 526.907nm.


Spectrographic analysis
Spectrographic analysis of some of the greener LEDs in the Warm White 'Chasing' LED Light Set; spectrometer's response narrowed to a band between 440nm and 470nm to pinpoint native emission peak wavelength, which is 450.911nm.


Spectrographic analysis
Spectrographic analysis of some of the greener LEDs in the Warm White 'Chasing' LED Light Set; spectrometer's response narrowed to a band between 520nm and 540nm to pinpoint phosphor emission peak wavelength, which is 532.004nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the 10 Warm White LED Icycle Lights; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint native emission peak wavelength, which is 447.588nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the 10 Warm White LED Icycle Lights; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint phosphor emission peak wavelength, which is 574.442nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the Energy Smart Warm White LED Nightlight Bulbs; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint native emission peak wavelength, which is 455.155nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the Energy Smart Warm White LED Nightlight Bulbs; spectrometer's response narrowed to a band between 550nm and 600nm to pinpoint phosphor emission peak wavelength, which is 574.442nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the Halloween 50 Purple Solar Power Mini Light Set; spectrometer's response narrowed to a band between 440nm and 470nm to pinpoint native emission peak wavelength, which is 440.628nm.


Spectrographic analysis
Spectrographic analysis of the LEDs in the Halloween 50 Purple Solar Power Mini Light Set; spectrometer's response narrowed to a band between 640nm and 680nm to pinpoint phosphor emission peak wavelength, which is 659.442nm.


Spectrographic analysis
Spectrographic analysis of the LED in the end of the iSMěK Electronic Cigarrette; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint native emission peak wavelength, which is 445.080nm.


Spectrographic analysis
Spectrographic analysis of the LED in the end of the iSMěK Electronic Cigarrette; spectrometer's response narrowed to a band between 620nm and 690nm to pinpoint phosphor peak wavelength, which is 657.199nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Life+Gear Pink LED Glow Stick+Flasher; spectrometer's response narrowed to a band between 430nm and 470nm to pinpoint native emission peak wavelength, which is 449.236nm.


Spectrographic analysis
Spectrographic analysis of the LED in the Life+Gear Pink LED Glow Stick+Flasher; spectrometer's response narrowed to a band between 630nm and 660nm to pinpoint phosphor emission peak wavelength, which is 644.993nm.


Spectrographic analysis
Spectrographic analysis of the purple LEDs in the LED ''SIGNS'' Sign.
Spectrometer's response narrowed to a band between 430nm and 480nm to pinpoint native emission peak wavelength, which is 451.992nm.


Spectrographic analysis
Spectrographic analysis of the purple LEDs in the LED ''SIGNS'' Sign.
Spectrometer's response narrowed to a band between 610nm and 670nm to pinpoint phosphor peak emission wavelength, which is 644.434nm.










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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WHITE 5500-6500K InGaN+phosphor 
ULTRAVIOLET 370-390nm GaN 
BLUE 430nm GaN+SiC
BLUE 450 and 473nm InGaN
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TURQUOISE 495-505nm InGaN
GREEN 525nm InGaN 
YELLOW-GREEN 555-575mn GaAsP & related
YELLOW 585-595nm
AMBER 595-605nm
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INFRARED 700-1300nm
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