Title :
Precise measurement of spectral peak by optical frequency shift
Author :
Washizaki, Yo ; Kashiwagi, Ken ; Nishikawa, Jun ; Suto, Hiroshi ; Tamura, Motohide ; Kurokawa, Takashi
Author_Institution :
Grad. Sch. of Eng., Tokyo Univ. of Agric. & Technol., Koganei, Japan
fDate :
Oct. 30 2011-Nov. 2 2011
Abstract :
We need to detect the periodic Doppler shift with very high accuracy to discover Earth-like extrasolar planets. We propose an accurate spectral peak measurement using an optical frequency shifter, and achieved accuracy as high as 1/100 of spectrometer resolution.
Keywords :
Doppler shift; extrasolar planets; spectrometers; Earth-like extrasolar planets; optical frequency shift; periodic Doppler shift; precise measurement; spectral peak; spectrometer; Amplitude modulation; Frequency modulation; Optical modulation; Optical variables measurement; Oscillators; Time frequency analysis;
Conference_Titel :
Microopics Conference (MOC), 2011 17th
Conference_Location :
Sendai
Print_ISBN :
978-1-4577-1344-6
