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Summary:Accurate measurements of atomic wavelengths, energy levels, oscillator strengths and isotope and hyperfine structure using diffraction grating spectrographs, Fourier transform spectrometers. Description:
For many decades, the Atomic Spectroscopy Group at NIST has measured atomic data of vital use to astronomy and other fields using high resolution spectrometers that are found in few other places in the world. These include a 2-m path difference Fourier transfer (FT)spectrometer, a vacuum ultraviolet FT spectrometer, a 10.7-m normal incidence spectrometer, a 10.7-m normal incidence spectrograph and a 10-m grazing incident spectrograph. Recent work has focused around two main themes: the measurement of wavelength calibration standards for astronomical telescopes, and the measurement and analysis of wavelengths and energy levels of iron-group element. Major Accomplishments:Grating SpectroscopySeveral High-Resolution Instruments, including:10.7 m Normal Incidence Spectrograph 10.7 m Grazing Incidence Spectrograph Czerny-Turner Spectrograph For technical questions contact: email: gillian.nave@nist.gov Fourier Transform Spectrometers2-m infrared/visible/UV Fourier transform spectrometer |
 End Date:ongoingLead Organizational Unit:pmlContact
Technical inquiries:
yuri.ralchenko@nist.gov National Institute of Standards and Technology Bldg. 221, Rm. A143 100 Bureau Drive, Stop 8422 Gaithersburg, MD 20899-8422 |
