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Airborne visible/infrared imaging spectrometer : Airborne; Hyperspectral imaging [7] Spectral resolution: 15 nm; Spatial resolution: 20 m; Multispectral pattern recognition for land cover changes [21] lithology and mineral mapping [16] Portable/ Handheld (field) spectroradiometer: Ground-based; Hyperspectral imaging [7]
Near-IR absorption spectrum of dichloromethane showing complicated overlapping overtones of mid IR absorption features.. Near-infrared spectroscopy (NIRS) is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum (from 780 nm to 2500 nm). [1]
The first generation of NMR spectrometers used large Electromagnets weighing hundreds of kilograms or more. Slightly smaller permanent magnet systems were developed in the 1960s-70s at proton resonance frequencies of 60 and 90 MHz and were widely used for chemical analysis using continuous wave methods, but these permanent magnets still weighed hundreds of kilograms and could not be placed on ...
The Cary 14 was produced until 1980. Its selling price in 1960 was approximately US $20,000. [1] Cary Instruments replaced production of the Cary 14 with the Cary 17 beginning in 1970. [17] Cary recording spectrophotometers, including the Cary 14, were contemporary to the single beam, non-scanning Spectronic 20 spectrophotometer. These ...
The NIRSpec (Near-Infrared Spectrograph) is one of the four scientific instruments flown on the James Webb Space Telescope (JWST). [2] The JWST is the follow-on mission to the Hubble Space Telescope (HST) and is developed to receive more information about the origins of the universe by observing infrared light from the first stars and galaxies.
A spectrometer (/ s p ɛ k ˈ t r ɒ m ɪ t ər /) is a scientific instrument used to separate and measure spectral components of a physical phenomenon. Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the spectral components are somehow mixed.
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