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Gamma Scientific launches tunable LED for camera, image sensor

Gamma Scientific launches tunable LED for camera, image sensor

Feb 3, 2017: Gamma Scientific has expanded their family of SpectralLED Tunable LED Light Sources for camera and image sensor calibration with a new system having a substantially larger output port, as well as increased output uniformity. Specifically, the new SpectralLED RS-7-2 mates up to four LED light source engines together with a 1 meter sphere that includes a 300 mm output port (other sphere and port sizes are available, as well). The result is a calibration light source for very large area detectors and large field of view cameras that delivers significantly higher brightness and approximately an order of magnitude higher radiometric stability (<0.1%) and wavelength accuracy (0.25 nm) than any competitive product.

As with its smaller predecessor, the SpectralLED RS-7-2 utilizes a light engine consisting of 35 discrete LEDs, each having a different center wavelength, which can be programed on-demand to reproduce the output of virtually any illuminant source (e.g. blackbody, daylight, fluorescent, LED, CIE illuminants), or the spectrum of any illuminant reflected by a target (such as a Macbeth or X‑RITE target). The system can even be swept through wavelengths to simulate a scanning monochromator, but with no moving parts. Yet, the SpectralLED RS-7-2 is incredibly user-friendly because all this sophisticated functionality is easily accessed through a simple firmware interface, which also contains a detailed calibration matrix for every LED channel. Plus, a combination of DC constant current drivers, optical feedback, and thermoelectric cooling maintains high luminance accuracy in real time without any effort on the part of the user.

Also Read: LED & OLED displays and healthcare sector driving QD market

The unique combination of features, capabilities and accuracy make the SpectralLED RS-7-2 ideal for a wide range of detector and camera testing and calibration tasks that involve collecting light over a large area and/or a large field of view. From telescope or telephoto lenses for astronomical, spaceborne and aerospace applications, to fish-eye or wide angle lens for virtual reality and other consumer applications, this product enables flat field calibration with higher accuracy and uniformity than ever before.

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