Photoluminescence Lifetime Characterization with Low Pressure Sodium Lamps

Bowden, Stuart; Herasimenka, Stanislau; Bailly, Mark

doi:10.4229/28theupvsec2013-2cv.4.21

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2015

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“…But as this equipment has a limited resolution an alternative equipment was searched for. 21) Light emitting diode (LED) arrays turned out to be a very cost efficient alternative excitation source, and further, a cooled Si-CCD camera was used instead of an InGaAs camera. The PL system built up at AIT consists of a sensitive Si-CCD camera (300 to 1000 nm wavelength window) and innovative IR LED arrays with a peak wavelength of λ = 850 nm (see Fig.…”

Section: Pl-imagingmentioning

confidence: 99%

Optical characterization of different module technologies

Ebner¹,

Kubicek²,

Újvári³

et al. 2015

Jpn. J. Appl. Phys.

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For a complete quality control of different module technologies (crystalline and thin film) a combination of fast and non-destructive methods was investigated. Camera-based measurements, such as electroluminescence (EL), photoluminescence (PL), and infrared (IR) technologies, offer excellent possibilities for determining production failures or defects in solar modules, which cannot be detected by means of standard power measurements. These types of optical measurement provide high resolution images with a two-dimensional distribution of the characteristic features of PV modules. This paper focuses on quality control and characterization using EL, PL, and IR imaging with conventional cameras and an alternative excitation source for the PL-setup.

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Section: Pl-imagingmentioning

confidence: 99%