PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
Extremely large telescopes (ELTs) and most of their instruments will be optimized for operating in the near
infrared (IR) because of the wavelength dependent performance of adaptive optics. Few established sources for
wavelength calibration exist in this wavelength domain. This project aims to provide the basic data to select
the best calibration sources for instruments at the European ELT (E-ELT) as a function of wavelength range
and spectral resolution. We have made use of the existing databases such as the NIST Atomic Spectra Database
as well as first principle physics and practical considerations to select about 20 hollow cathode lamps for study.
We are investigating their spectral and operational properties through laboratory measurements using a Fourier
Transform spectrometer at the European Southern Observatory (ESO). The most interesting sources will then be
studied at atomic physics laboratories, such as the US National Institute of Standards and Technology (NIST), in
order to produce accurate wavelength standards and calibration reference data directly applicable to operations
of E-ELT instruments. The resulting data archive will be used to recommend the best suited sources for the
instruments proposed for the E-ELT.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.
The alert did not successfully save. Please try again later.
Maria Aldenius, Florian Kerber, Paul Bristow, Gillian Nave, Yuri Ralchenko, Craig J. Sansonetti, "Wavelength calibration sources for instruments on extremely large telescopes," Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70145U (10 July 2008); https://doi.org/10.1117/12.787886