This web page will be for nothing but spectra of LEDs sent by Don Klipstein in mid-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 mid-2020 (Pg. 1):
Last updated 08-24-20
Cree C55MF-GJF-CVOY0792 Oval Green Diffused LED (labelled #9).
Measures 7,250mcd on an Amprobe LM631A light meter.
Remember, this is a DIFFUSED LED; that intensity value is actually quite high!
Spectrographic analysis of a Cree C55MF-GJF-CVOY0792 Oval Green Diffused LED.
Spectrographic analysis of a Cree C55MF-GJF-CVOY0792 Oval Green Diffused LED; spectrometer's response narrowed to a band between 510nm and 530nm to pinpoint emission peak wavelength, which is 522.710nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at gjf.txt
Cree C503B-GCS-CBOCO781 5mm Green LED in a Water-Clear Case (labelled #6).
Measures 32,000mcd on an Amprobe LM631A light meter.
Spectrographic analysis of a Cree C503B-GCS-CBOCO781 5mm Green LED in a Water-Clear Case.
Spectrographic analysis of a Cree C503B-GCS-CBOCO781 5mm Green LED in a Water-Clear Case; spectrometer's response narrowed to a band between 510nm and 530nm to pinpoint emission peak wavelength, which is 517.530nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at gcs9.txt
Cree C55MF-GJE-CX14Q7T2 Oval Green Diffused LED.
Measures 8,700mcd on an Amprobe LM631A light meter.
Remember, this is a DIFFUSED LED; that intensity value is actually quite high!
Spectrographic analysis of a Cree C55MF-GJE-CX14Q7T2 Oval Green Diffused LED.
Spectrographic analysis of a Cree C55MF-GJE-CX14Q7T2 Oval Green Diffused LED; spectrometer's response narrowed to a band between 510nm and 530nm to pinpoint emission peak wavelength, which is 522.360nm.
The raw spectrometer data (tab-delimited that can be loaded into Excel) is at gje.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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