Webb1 okt. 2014 · This new spectrometer comprises a concave mirror used in double reflection and a convex reflection grating operating in quadrature, in a concentric layout, which improves the performance of analogous conventional in-plane systems, when compactness and/or high spectral resolution is of fundamental importance. 30. PDF. Webbgrating profiles, snap together self-aligning mechanical designs, and visible test techniques for IR systems. Keywords: Hyperspectral imaging, Offner spectrometer, Diamond turning, Diffraction grating INTRODUCTION Imaging Spectroscopy or Hyperspectral Imaging has become a powerful technique for many fields such as …

Analytical design of an Offner imaging spectrometer

Webb17 juni 2024 · 2. Materials and Methods. We propose a design of the Offner imaging hyperspectrometer that contains two concentric (coaxial) optical elements. A distinctive feature of the hyperspectrometer layout proposed herein is that instead of fastening elements to the main platform, all primary optical elements are fastened to a tubular … WebbWe describe designs for spectrometers employing convex dispersers. The Offner spectrometer was the first such instrument; it has almost exclusively been employed on satellite platforms, and has had little impact on ground-based instruments. We have learned how to fabricate curved Volume Phase Holographic (VPH) gratings and, in … city health dental orchard centre hull

Analysis method of the Offner hyperspectral imaging spectrometer …

Webb5 jan. 2024 · Different designs of the Raman spectrometer have been published. Wang et al. designed a crossed Czerny–Turner spectrometer using convergent illumination of the grating for the fluorescence spectrum of the organic particles [].Yinchao Zhang and Chen Wang proposed a double-grating monochromator with a different fiber arrangement … Webb23 sep. 2015 · FFG secondary mirror in an Offner configuration spectrometer with reduci ng magnification leads to a compact imaging spectrometer design with high image quality and radiometric performances. For the first time to our knowledge, we have confirmed experimentally the feasibility of cost-effective manufacturing of such a Free Form … WebbTech Briefs features cutting-edge technologies developed by innovators within NASA, the military, federal laboratories, universities, and commercial companies. These technologies can be applied to develop new or improved products, and solve engineering or manufacturing problems. These tech briefs span a wide array of fields including … did babylon defeat egypt