Optical Frequency Comb as a general-purpose and wide-band calibration source for astronomical high resolution infrared spectrographs (Articolo in rivista)

Type
Label
  • Optical Frequency Comb as a general-purpose and wide-band calibration source for astronomical high resolution infrared spectrographs (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1007/s10686-011-9232-7 (literal)
Alternative label
  • Schettino Giulia [ 1,2 ] ; Oliva Ernesto [ 2 ] ; Inguscio Massimo [ 1,3,4 ] ; Baffa Carlo [ 2 ] ; Giani Elisabetta [ 2 ] ; Tozzi Andrea [ 2 ] ; Cancio Pastor Pablo [ 3,4 ] (2011)
    Optical Frequency Comb as a general-purpose and wide-band calibration source for astronomical high resolution infrared spectrographs
    in Experimental astronomy (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Schettino Giulia [ 1,2 ] ; Oliva Ernesto [ 2 ] ; Inguscio Massimo [ 1,3,4 ] ; Baffa Carlo [ 2 ] ; Giani Elisabetta [ 2 ] ; Tozzi Andrea [ 2 ] ; Cancio Pastor Pablo [ 3,4 ] (literal)
Pagina inizio
  • 69 (literal)
Pagina fine
  • 81 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 31 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Dipartimento Fis & Astron, I-50019 Sesto Fiorentino, Fi, Italy [ 2 ] INAF Oss Astrofis Arcetri, I-50125 Florence, Italy [ 3 ] LENS, I-50019 Sesto Fiorentino, Fi, Italy [ 4 ] Ist Nazl Ottica, CNR, I-50125 Florence, Italy (literal)
Titolo
  • Optical Frequency Comb as a general-purpose and wide-band calibration source for astronomical high resolution infrared spectrographs (literal)
Abstract
  • A spectrally filtered Optical Frequency Comb (OFC) laser is proposed as a versatile calibration source for astronomical spectrometers in the 1-2 mu m spectral range. Such a source overcomes the limitations of current calibration lamps providing a uniform spectrum of equally spaced lines with similar intensity and extremely high long-term frequency stability. We present preliminary studies and results of a system which filters the OFC from a 100 MHz comb spacing to 16 GHz one, an adequate spacing for spectrometers with resolving power Delta lambda/lambda > 30000. The first approach employs two Fabry-Perot cavities in series, made of dielectric coated mirrors, followed by a non-linear optical broadening system. The limitations of such a filtering process are discussed. These can be overcome by the second approach, based on filtering cavities with metallic coated mirrors. (literal)
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