This web page will be for nothing but spectra of LEDs sent by Don Klipstein in late-2020.
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.
LEDs sent by Don Klipstein in late-2020 (Pg. 4):
Last updated 10-10-20
Cree C503B-BCN-CXOY0451 Blue LED in a Water-Clear 5mm Body.
Measures 14,710mcd on an Amprobe LM631A light meter.
This is a medium (fairly typical actually) viewing angle LED with a published viewing angle of ~30°.
Spectrographic analysis of a Cree C503B-BCN-CXOY0451 Blue LED in a Water-Clear 5mm Body.
Spectrographic analysis of a Cree C503B-BCN-CXOY0451 Blue LED in a Water-Clear 5mm Body; spectrometer's response narrowed to a band between 460nm and 480nm to pinpoint emission peak wavelength, which is 470.880nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at bcn.txt
Cree C535A-WJN-CU0W0231WJN White LED in a Water-Clear "Straw Hat" Body.
Measures 4,950mcd on an Amprobe LM631A light meter.
This is a wide viewing angle LED with a published viewing angle of 95° to 110°; and as you may know, wider viewing angles always equal lower mcd values.
Spectrographic analysis of a Cree C535A-WJN-CU0W0231WJN White LED in a Water-Clear "Straw Hat" Body.
Spectrographic analysis of a Cree C535A-WJN-CU0W0231WJN White LED in a Water-Clear "Straw Hat" Body; spectrometer's response narrowed to a band between 445nm and 465nm to pinpoint native emission peak wavelength, which is 452.590nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at wjn.txt
Cree C530B-ACN-CY020341-030 Amber LED in a Water-Clear 5mm Body.
Measures 7,800mcd on an Amprobe LM631A light meter.
Spectrographic analysis of a Cree C530B-ACN-CY020341-030 Amber LED in a Water-Clear 5mm Body.
Spectrographic analysis of a Cree C530B-ACN-CY020341-030 Amber LED in a Water-Clear 5mm Body; spectrometer's response narrowed to a band between 580nm and 600nm to pinpoint emission peak wavelength, which is 591.560nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at acn.txt
Cree C530B-RCN-CXAYCAA2-030 Orangish-Red LED in a Water-Clear 5mm Body.
Measures 24,0000mcd on an Amprobe LM631A light meter.
Spectrographic analysis of a Cree C530B-RCN-CXAYCAA2-030 Orangish-Red LED in a Water-Clear 5mm Body.
Spectrographic analysis of a Cree C530B-RCN-CXAYCAA2-030 Orangish-Red LED in a Water-Clear 5mm Body; spectrometer's response narrowed to a band between 620nm and 640nm to pinpoint emission peak wavelength, which is 629.340nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at c503b.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 bdf1111@yahoo.com.
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