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Spectrometer The U.S. Geological Survey (USGS) is conducting market research to determine the availability of qualified businesses capable of providing a high-sensitivity imaging ultraviolet spectrome... Spectrometer The U.S. Geological Survey (USGS) is conducting market research to determine the availability of qualified businesses capable of providing a high-sensitivity imaging ultraviolet spectrometer for characterizing volcanic gas emissions as described in the attached technical specifications. This sources sought announcement is not a request for quote or proposal and the Government is not committed to award of a purchase order or contract pursuant to this announcement. The information resulting from this market research is simply for planning purposes to assist the Government in determining its acquisition strategy. The Government will not pay for any costs incurred in the preparation of information for responding to this notice. The North American Industry Classification System (NAICS) code 334516 - Analytical Laboratory Instrument Manufacturing and associated size standard 1000 applies to this announcement. All responsible sources may submit a brochure and technical specifications detailing the ability of their product to meet the technical specifications included with this announcement. Responses to this announcement shall only be accepted through electronic mail addressed to dallan-loucks@usgs.gov and must be uploaded and received in their entirety no later than July 3, 2019/1500 ET. Responses submitted by hardcopy or the FedConnect web portal or the FedConnect Message Center shall not be accepted or considered. High-sensitivity imaging ultraviolet spectrometer for characterizing volcanic gas emissions Technical Specifications - Aberration-free imaging-spectroscopy optics. - Back-illuminated sensor with quantum efficiency > 30% between 290 and 350 nm - Cooling of back-illuminated sensor to below -30C for noise reduction - Active area of sensor > 10 mm width, > 3 mm height - > 1000 pixels along horizontal sensor direction, > 200 pixels in vertical sensor direction - Size of individual pixels > 10 x 10 microns - Possibility to either read each pixel individually (no binning) or use variable vertical binning to increase read-out speed - USB 3.0 interface allowing full frame readout (with no binning) in 500 ms or less - Spectral resolution of better than 0.5 nm and coincident spectral range of > 100 nm. - Variable start wavelength of spectral range. Typical spectral range of 290 to 420 nm. - Spectral resolution and range must be achieved at all points on the 2D sensor. - No astigmatism or coma allowed throughout the focal plane. - Wavelength accuracy < 0.3 nm - Wavelength repeatability < 0.15 nm - Frame transfer sensor allowing shutterless operation. - L x W x H footprint of the system (including detector) not to exceed 30 x 30 x 30 cm - Weight of the system not to exceed 10 kg - Provisions for c-mount lenses or linear fiber arrays to be mounted on input port aligned with direction of slit.