Improvements in spectroscopic continuum noise with fiber-optics illumination of a RETICON array

Details Improvements in spectroscopic continuum noise with fiber-optics illumination of a RETICON array Improvements in spectroscopic continuum noise with fiber-optics illumination of a RETICON array

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pasp...99..654s&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 99, July 1987, p. 654-659.

Physics

Optics

3

Astronomical Spectroscopy, Fiber Optics, Image Enhancement, Noise Reduction, Spectral Resolution, Spectroheliographs, Illuminating, Signal To Noise Ratios

Scientific paper

It is shown that under certain observing conditions the pixel-to-pixel spectroscopic noise of a Reticon detector can be reduced somewhat by the uniform illumination of the pixels by a fiber-optic image scrambler. These gains can nearly offset the transmission losses in the fiber imaging system. The optical layer of the 'solar stellar spectrograph' at the McMath Solar Telescope is also described.

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