http://www.cnr.it/ontology/cnr/individuo/prodotto/ID204975
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)
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- 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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