First commercial UV-plus-visible hyperspectral camera
Resonon releases unique instrument, allows new investigations into ultraviolet research
The Pika NUV2 is a line scan imaging spectrometer that scans a spectral range of 330 – 800 nm. It can be used in Resonon’s benchtop, outdoor, airborne, and machine vision systems.
Flowers and plants often have noteworthy ultraviolet features, and solar illumination extends down to about 300 nm at the Earth’s surface. Furthermore, pharmaceuticals and other industrial products can possess unique ultraviolet signatures which the NUV2 can quantify for sorting or quality control purposes.
“This is a unique product that will enable a whole new field of research in imaging spectroscopy,” says Rand Swanson, CEO of Resonon. “We are really excited to see the research and applications that this imager enables our customers to pursue.”
Most glass materials that comprise optical lenses do not transmit light below about 350 nm. “This made designing the Pika NUV2 a very difficult optical problem,” says Mike Kehoe, chief optical engineer for Resonon. “Nonlinear dispersion indices make distortion control very challenging. We had to develop advanced design and fabrication methods to allow us to successfully overcome these issues. We improved a lot upon our older ultraviolet models. The end result is an optical train that provides excellent imaging and spectroscopic quality.”
Over a spectral range of 330 – 800 nm the Pika NUV2 provides 255 contiguous spectral channels at each pixel, and each spectral channel is 1.84 nm wide. The spectral resolution (FWHM) is 3.2 nm. Each camera frame is an image line that has 1500 spatial pixels.
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