First light for an astronomical 3-D photon detector

Details First light for an astronomical 3-D photon detector First light for an astronomical 3-D photon detector

Sep 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26a...289l..41k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 289, no. 3, p. L41-L42

Astronomy and Astrophysics

Astrophysics

2

Detection, High Resolution, Hole Burning, Photons, Polymeric Films, Spectrometers, Visible Spectrum, Experiment Design, Solar Spectra, Spatial Resolution, Spectral Resolution, Spectral Sensitivity

Scientific paper

Spectroscopic studies of extended astronomical sources at optical wavelengths are hampered by the two-dimensional nature of current photon detectors. Most photons of interest are not utilized because a spectrometer must scan in the spatial or spectral domain. We present the first solar spectrum recorded with a three-dimensional, highly wavelength-sensitive photon detector based on a dye-doped polymer film at 1.6 K. The achieved spectral resolution is comparable to the best solar spectra obtained with a Fourier transform spectrometer. Our experiment paves the way for a photon detector that improves the efficiency of spectroscopy of extended sources by orders of magnitudes.

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