Far ultraviolet detector standards by L. Randall Canfield Download PDF EPUB FB2
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NBSMEASUREMENTSERVICES FARULTRAVIOLETDETECTOR STANDARDS lCanfield NilsSwanson CenterforRadiationResearch NationalMeasurementLaboratory NationalBureauofStandards Gaithersburg,MD MENTOFCOMMERCE,MalcolmBaldrige,Secretary NATIONALBUREAUOFSTANDARDS,ErnestAmbler,Director IssuedJune Title: Far Ultraviolet Detector Standards Author: Far ultraviolet detector standards book.
Canfield and N. Swanson Subject: Optical radiation Keywords: calibration,detectors,far ultraviolet,photodiodes. The far ultraviolet detector radiometry program attempts to furnish transfer standards capable of determining absolute flux levels in the spectral range nm.
These standards should be rela tively stable, simple to use, and within the typical laboratory budget. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86ACited by: NBS Detector Standards for the Far Ultraviolet. Canfield LR, Johnston RG, Madden RP.
A program at NBS leading to the realization of practical, stable transfer detector standards for the far ultraviolet is reviewed. Three basic detector types, one covering the region of A and the other two covering the region of A, are described.
A program at NBS leading to the realization of practical, stable transfer detector standards for the far ultraviolet is reviewed. Three basic detector types, one covering the region of – Å and the other two covering the region of – Å, are described.
Examples of these detectors have been calibrated at NBS and distributed to laboratories throughout the United States and. Uniformity of response, stability, and absolute quantum efficiency of channel electron multipliers was measured in the vacuum ultraviolet. The results indicate that these devices may be used as sensitive secondary standards in this region.
A cesium iodide photocathode tube containing one of these multipliers is described. Workplace exposure limits for ultra-violet radiation Alert: Due to routine maintenance on the OSHA website, some pages may be temporarily unavailable.
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1 People may know about a fire without hearing a smoke alarm. When smoke alarms (interconnected or not) were. A description is given of a new facility, located at the NBS (Gaithersburg) Synchrotron Ultraviolet Radiation Facility (SURF-II), in which the absolute calibration of working standard detectors for the 5–nm spectral region, and the subsequent calibration of outgoing transfer standard detectors is performed.
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New far UV detector calibration facility at the National Bureau of Standards. Canfield LR. A description is given of a new facility, located at the NBS (Gaithersburg) Synchrotron Ultraviolet Radiation Facility (SURF-II), in which the absolute calibration of working standard detectors for the nm spectral region, and the subsequent.
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Ultraviolet radiation from sun exposure is the primary cause of skin cancer. Thus, at UV frequencies and higher (and probably somewhat also in the visible range), electromagnetic radiation does more damage to biological systems than simple heating predicts.
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Far UV detector is part of new instrument to be installed on Hubble 7 May This is a photo of the Hubble Space Telescope.
Credit: NASA NASA's final mission to the year-old Hubble. Far Ultraviolet Calibration Facility The light source is a duoplasmatron - a hot-filament discharge confined in a magnetic field - which provides the characteristic emission spectrum of the neutral and singly ionized species of the source gas.
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The sglux calibration laboratory uses different traceable transfer standards for the determination of the spectral responsivity and the integral irradiance sensitivity of sensors at different.
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