Point Grey (Richmond, BC) announced a new addition to the Grasshopper3 scientific imaging camera family that features high quality, high resolution CCD sensors with a USB 3.0 interface. The new Grasshopper3 GS3-U3-28S5 camera models are based on color and monochrome versions of the fast and highly sensitive Sony ICX674, a 2/3" CCD featuring 4.54 micron square pixels and capable of sending 1932 x 1452 images at 26 FPS. The ICX674 sensor supports high definition (HD) 1080p30 imaging and uses Sony's EXview HAD CCD II™ technology—a further evolved version of the well-known EXview HAD CCD™ technology—to improve quantum efficiency and increase sensitivity, including into the near infrared. The GS3-U3-28S5 offers quantum efficiency of 67% at 525 nm, a dynamic range of 63 dB, dark current of 1.27 e-/second, and supports long exposures up to 30 seconds.

Like all Point Grey USB 3.0 cameras, the Grasshopper3 is built on an FPGA and frame bufferbased architecture to provide optimal reliability and a full image processing pipeline including look up table, gamma correction and pixel binning. Additional Grasshopper3 cameras using 6 megapixel and 9.1 megapixel EXview HAD CCD II sensors will be released later this year.

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Photonics Tech Briefs Magazine

This article first appeared in the January, 2014 issue of Photonics Tech Briefs Magazine.

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