LEDs - Gallium Indium Nitride UV, violet, purple, blue, aqua, turquoise, green, white. Also Gallium Arsenide and others. New LED MUSEUM! GaN, InGaN, SiC, GaAs, GaP, GaAlP, ZnSe, flashlight, flashlights.

SPECTRA OF LOW-POWERED SiC (SILICON CARBIDE) YELLOW LEDS

This web page will be for nothing but spectra of 10mm, 8mm, 5mm, 3mm, and SMD 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.

SiC YELLOW LEDs

Spectrographic analysis of a vintage GE SSL-1 yellow SiC LED; newest (01-13-13) spectrometer software settings used.

Spectrographic analysis of a GE SSL-1 SiC (silicon carbide) greenish yellow LED from the late-1960s; newest (01-13-13) spectrometer software settings used.
Spectrometer's response was narrowed to a band between 550nm to 580nm to pinpoint peak emission wavelength, which is 566.789nm.

Spectrographic analysis of an antique GE SSL-1 SiC yellow LED from the late-1960s.
The If was 50mA (its rated current) and newer software settings were used for this analysis.

Spectrographic analysis of an antique GE SSL-1 SiC yellow LED from the late-1960s.
The If was 50mA (its rated current) for this analysis.

Spectrographic analysis of a vintage GE SSL-1 yellow SiC LED; spectrometer's response band narrowed to a range of 490nm to 720nm.

Spectrographic analysis of a GE SSL-1 SiC (silicon carbide) greenish yellow LED from the late-1960s.
Spectrometer's response was narrowed to a range of 390nm to 400nm to show the rather queer LED emission line at 393.9nm.

Spectrographic analysis of a GE SSL-1 SiC (silicon carbide) greenish yellow LED from the late-1960s.
Spectrometer plot's range was adjusted from within the included SpectraSuite software to be full-height.

Spectrographic analysis of a GE SSL-1 SiC (silicon carbide) greenish yellow LED from the late-1960s.
Baseline was artificially lowered with Photoshop to show actual spectral output.
Note the unusually broadband output.

Same as above.
Baseline was artificially lowered with Photoshop to show actual spectral output.

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.

Please visit this web page for contact information.

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.
Be sure to include contact info or your company website's URL so visitors here will know where to purchase your product.

WHITE 5500-6500K InGaN+phosphor 
ULTRAVIOLET 370-390nm GaN 
BLUE 430nm GaN+SiC
BLUE 450 and 473nm InGaN
BLUE Silicon Carbide
TURQUOISE 495-505nm InGaN
GREEN 525nm InGaN 
YELLOW-GREEN 555-575mn GaAsP & related
YELLOW 585-595nm
AMBER 595-605nm
ORANGE 605-620nm
ORANGISH-RED 620-635nm
RED 640-700nm
INFRARED 700-1300nm
True RGB Full Color LED
Spider (Pirrahna) LEDs
SMD LEDs
True violet (400-418nm) LEDs
Agilent Barracuda & Prometheus LEDs
Oddball & Miscellaneous LEDs
Programmable RGB LED modules / fixtures
Where to buy these LEDs 
Links to other LED-related websites
The World's First Virtual LED Museum
The Punishment Zone - Where Flashlights Go to Die
Legal horse puckey, etc.
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