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SPECTRA (NORMAL & NARROWBAND) OF LEDs THAT M.B. SENT IN MID-DECEMBER 2011 (2)
This is a long page with at least 37 images on it; dial-up users please allow for plenty of load time.
All your base are belong to us.

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.

SPECTRA (NORMAL & NARROWBAND) OF LEDs THAT M.B. SENT IN MID-DECEMBER 2011 (2):

All spectra were performed with an If (forward current) of 19.280mA, using an American Opto Plus LED Tester.

Spectrographic plot

Spectrographic analysis of sample #1 of an Unknown-Type "Ocean Green" 505nm LED.

Spectrographic plot

Spectrographic analysis of sample #1 of an Unknown-Type "Ocean Green" 505nm LED; spectrometer's response narrowed to a band between 630nm and 680nm to pinpoint peak wavelength, which is 653.777nm.

Power output analysis of sample #1 of an Unknown-Type "Ocean Green" 505nm LED.
Looks like it tops out at 10mW.

Spectrographic plot

Spectrographic analysis of sample #2 of an Unknown-Type "Ocean Green" 505nm LED.

Spectrographic plot

Spectrographic analysis of sample #2 of an Unknown-Type "Ocean Green" 505nm LED; spectrometer's response narrowed to a band between 630nm and 680nm to pinpoint peak wavelength, which is 654.992nm.

Power output analysis of sample #2 of an Unknown-Type "Ocean Green" 505nm LED.
Looks like it tops out at 9mW.

Beam cross-sectional analysis.

Beam photograph on the test target at 24".

Spectrographic plot

Spectrographic analysis of sample #1 of an AND180CRP Red LED.

Spectrographic plot

Spectrographic analysis of sample #1 of an AND180CRP Red LED; spectrometer's response narrowed to a band between 630nm and 680nm to pinpoint peak wavelength, which is 653.777nm.

Power output analysis of sample #1 of an AND180CRP Red LED.
Looks like it tops out at 10mW; this is actually a bit overspec (the specifications state the maximum power is 9mW).

Spectrographic plot

Spectrographic analysis of sample #2 of an AND180CRP Red LED.

Spectrographic plot

Spectrographic analysis of sample #2 of an AND180CRP Red LED; spectrometer's response narrowed to a band between 630nm and 680nm to pinpoint peak wavelength, which is 654.992nm.

Power output analysis of sample #2 of an AND180CRP Red LED.
Looks like it tops out at 11mW; this is actually a bit overspec (the specifications state the maximum power is 9mW).

Beam cross-sectional analysis.

Beam photograph on the test target at 24".

Spectrographic plot

Spectrographic analysis of sample #1 of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED.

Spectrographic plot

Spectrographic analysis of sample #1 of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED; spectrometer's response narrowed to a band between 390nm and 440nm to pinpoint peak wavelength, which is 413.660nm.

Power output analysis of sample #1 of of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED.
Looks like it tops out at 12mW; this is actually a bit overspec (the specifications state the maximum power is 9mW).

Spectrographic plot

Spectrographic analysis of sample #2 of of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED.

Spectrographic plot

Spectrographic analysis of sample #2 of of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED; spectrometer's response narrowed to a band between 390nm and 440nm to pinpoint peak wavelength, which is 414.112nm.

Power output analysis of sample #1 of of a Demo Photoelectric Technology (Wuxi) Co. Ltd. # DMPT-50346-05UV415-BM-C Violetish-Blue LED.
Looks like it too tops out at 12mW; this is actually a bit overspec (the specifications state the maximum power is 9mW).

Beam cross-sectional analysis.

Beam photograph on the test target at 24".

Spectrographic plot

Spectrographic analysis of sample #1 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED.

Spectrographic plot

Spectrographic analysis of sample #1 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED; spectrometer's response narrowed to a band between 420nm and 460nm to pinpoint peak wavelength, which is 443.440nm.

Power output analysis of sample #1 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED.
Looks like it tops out at 26mW; this is actually quite a bit overspec (the specifications state the maximum power is 9mW).

Spectrographic plot

Spectrographic analysis of sample #2 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED.

Spectrographic plot

Spectrographic analysis of sample #2 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED; spectrometer's response narrowed to a band between 390nm and 440nm to pinpoint peak wavelength, which is 443.965nm.

Power output analysis of sample #1 of a Shenzhen Weili Opto-Electro Co., Ltd. # WL-05UB-440 Royal Blue LED.
Looks like it tops out at 34mW; this is actually considerably overspec (the specifications state the maximum power is 9mW).

Beam cross-sectional analysis.

Beam photograph on the test target at 24".

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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