Featured | Products, Materials & Tools | Aug 15, 2016

Stray Light Correction Improves UV-LED Characterization

Instrument Systems is the first industrial supplier for stray light corrected calibrations of array spectrometers to serve the broad market. By including a stray light correction matrix in the calibration process, it is possible to suppress the stray light during the measurement by an order of magnitude down to 10 E-5. A 10% higher sensitivity in the UV range after stray light corrected calibration leads to about 3-4% higher accuracy in the radiometric measurement. The more accurate determination of the radiometric values of UV LEDs facilitates their characterization and development, and supports the various applications of these radiation sources, for example, in the field of coating, curing, disinfection or biomedicine.

Moreover, in determining the x, y color coordinates of white and colored LEDs, stray light corrected devices from Instrument Systems achieve an improvement in the measurement accuracy of high-quality array spectrometers between 0.0015 to 0.0020, thus approaching further the high precision requirements of the LED industry. For the evaluation of the photobiological safety, particularly the blue light hazard of the human eye, the stray light corrected array spectrometers provide with their increased measurement accuracy and dynamic range a suitable and cost effective alternative to monochromators.

The stray light correction is performed once before (re)calibration at Instrument Systems. During the measurement, the correction is automatically applied to the measured spectra by the SpecWin Pro software. For the user, there is no additional effort.

More information under: www.instrumentsystems.com/straylightcorrection

About Instrument Systems GmbH:

Instrument Systems GmbH, founded in Munich in 1986, develops, manufactures and markets turnkey solutions for light measurement. Its main products are scanning and array spectrometers as well as imaging photometers and colorimeters. Key applications are LED/SSL and display measurement, as well as spectroradiometry and photometry. Today Instrument Systems is one of the world’s leading manufacturers in this field. Products of the Optronik Line for the automotive industry and traffic technology are developed and produced at the Berlin facility. About 85 % of turnover is generated abroad.

For futher details refer to:
Instrument Systems GmbH
Neumarkter Str. 83
81673 Munich, Germany
Phone: +49-89-454943-0
E-Mail: sales@instrumentsystems.com
Website: www.instrumentsystems.com

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