test and measurement

Spectral, spatial and temporal optimization of solid-state light engine output

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Specifications for illumination systems for biomedical imaging and industrial metrology generally converge on spectral, spatial and temporal light output characteristics. This article describes some of the ways in which solid-state light engines consisting of arrays of solid-state light sources, a mix of LEDs, light pipes and lasers, allow for the customisation of specifications to meet application-specific lighting requirements.

Quest for quality

Greg Blackman looks at systems presented at the recent Control trade fair for quality inspection

IQFROG

The IQFROG, manufactured by Coherent Solutions and distributed by Laser Components, can be used to measure the intensity and phase of optical pulses in both spectral and temporal domains, giving a complete pulse characterisation

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