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Here’s a selection of photonics and imaging products suited to the photovoltaic industry


Armstrong Optical now supplies the automated optronic infrared test system, PV-LIT, manufactured by InfraTec. The system has been developed for photovoltaic testing. PV-LIT incorporates VarioCam High Definition and ImageIR 9300 thermographic cameras. It is designed for serial as well as individual testing of solar cells and complete solar modules with high precision.

The PV-LIT system enables testing for several different types of defect. Short cycle times of less than a second combined with reliable, continuous operation mean the system can be operated in many production environments.


Depending on the individual task and customer requirements, it is possible to operate the system with either uncooled or cooled camera systems. The uncooled VarioCam High Definition provides 2,048 x 1,536 pixel resolution, while the cooled ImageIR 9300 gives 1,280 x 1,024 pixels.


Opto Engineering has released a new member of its telecentric lens family, the TC12K lenses for 12k and 16k pixel line scan cameras. The TC12K series is designed to fit large format line scan cameras, enabling high-resolution telecentric imaging. The lens has a 62.5mm image circle diameter.

The lens is ideal for flat panel

display, solar cell and electronic board inspection. At the same time, the high-end optical specifications make these lenses


perfectly suited to accurately measuring large mechanical components.

In addition to the standard M72 x 0.75 mount, TC12K lenses can be equipped easily with any other type of camera mount.

High line rates up to 140kHz, a choice of resolutions, and pixel sizes of 10µm or 14µm to maximise sensitivity, bring extra versatility to the Piranha4 dual line scan cameras. CMOS sensors also offer high dynamic range, making Teledyne Dalsa’s Piranha4 family, available from Stemmer Imaging, suited to demanding applications. These include flat panel inspection, printed circuit board inspection, solar cell inspection and narrow and wide web inspection. Piranha4 monochrome cameras

make use of Teledyne Dalsa’s dual line scan technology, featuring two

parallel arrays of pixels to provide twice the sensitivity of single line systems. The versatility offered by the CMOS sensors utilises larger pixel size for the higher line rates to ensure no loss in sensitivity. Integration time and line rate can be adjusted to suit the application. There are 1k and 2k resolution versions with 14µm pixels and a maximum line rate of 140kHz. 2k and 4k versions are available with 10µm pixels and a maximum line rate of 100kHz. Also, 4k and 8k versions are available with 7µm pixels and a maximum line rate of 70kHz.

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