Calibration of an astrophysical spectrograph below 1 m/s using a laser frequency comb.
Opt Express
; 20(13): 13711-26, 2012 Jun 18.
Article
en En
| MEDLINE
| ID: mdl-22714437
ABSTRACT
We deployed two wavelength calibrators based on laser frequency combs ("astro-combs") at an astronomical telescope. One astro-comb operated over a 100 nm band in the deep red (â¼ 800 nm) and a second operated over a 20 nm band in the blue (â¼ 400 nm). We used these red and blue astro-combs to calibrate a high-resolution astrophysical spectrograph integrated with a 1.5 m telescope, and demonstrated calibration precision and stability sufficient to enable detection of changes in stellar radial velocity < 1 m/s.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Astronomía
/
Análisis Espectral
/
Dispositivos Ópticos
/
Rayos Láser
Tipo de estudio:
Prognostic_studies
Idioma:
En
Revista:
Opt Express
Asunto de la revista:
OFTALMOLOGIA
Año:
2012
Tipo del documento:
Article
País de afiliación:
Estados Unidos