A Prototype Very High Resolution Spectrograph With Adaptive Optics

Details A Prototype Very High Resolution Spectrograph With Adaptive Optics A Prototype Very High Resolution Spectrograph With Adaptive Optics

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.5407g&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #54.07; Bulletin of the American Astronomical Society, Vol. 28, p.905

Physics

Optics

Scientific paper

A new very high resolution cross-dispersed echelle spectrograph has been tested at the Starfire Optical Range 1.5 m telescope. It takes advantage of the diffraction limited images provided by adaptive optics to achieve a resolving power of R ~ 250,000 together with a wavelength coverage in a single exposure of about 300 Angstroms, about 100 times that of conventional very high resolution spectrographs. This was achieved by recording 60 cross dispersed orders across the 18x 18 mm(2) format CCD detector. The total efficiency of the CCD based system, including the sky and telescope transmission, spectrograph and detector, is measured to peak at 1.3%.

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