Atmospheric Noise in the Far Infrared (300–3000 µm)

S. Corsi, G. Dall'Oglio, S. Fonti, I. Guidi, B. Melchiorri, F. Melchiorri, V. Natale, F. Mencaraglia, P. Lombardini, P. Trivero, S. Sivertsen

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Noise measurements in the frequency regions 5–200 Hz and 5.2 × 10−4−8.3 × 10−3 Hz have been performed in the wavelength region between 300 and 3000 µm from the high altitude observatory of Testa Grigia, Italy (3.500 m). In the high frequency region a specially designed Ge bolometer operating in background-limited-infrared-photoconductor conditions matched to a 1.5-m telescope has been used, while at low frequency a radiometer designed for atmospheric transmittance measurements was employed. In both regions no excess noise with respect to the photon noise relative to 300-K blackbody has been detected.

Lingua originaleInglese
pagine (da-a)1036-1041
Numero di pagine6
RivistaIEEE Transactions on Microwave Theory and Techniques
Volume22
Numero di pubblicazione12
DOI
Stato di pubblicazionePubblicato - dic 1974
Pubblicato esternamente

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