A versatile spectrometer by the use of a pressure-scanned Fabry-Pérot interferometer and a piezoelectrically-scanned Fabry-Pérot interferometer in tandem arrangement

A versatile spectrometer system which uses a pressure-scanned Fabry-Perot and a piezoelectrically-scanned Fabry-Perot in tandem arrangement is described. This system can be used either in synchronous scanning mode where two Fabry-Perots are scanned simultaneously or in band-pass filter mode where th...

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Bibliographic Details
Published in:Japanese Journal of Applied Physics 1987-06, Vol.26 (6), p.936-940
Main Authors: HIKITA, T, SUZUKI, H, IKEDA, T
Format: Article
Language:English
Subjects:
Exact sciences and technology
Infrared, submillimeter wave, microwave and radiowave instruments, equipment and techniques
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Physics
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Description
Summary:A versatile spectrometer system which uses a pressure-scanned Fabry-Perot and a piezoelectrically-scanned Fabry-Perot in tandem arrangement is described. This system can be used either in synchronous scanning mode where two Fabry-Perots are scanned simultaneously or in band-pass filter mode where the pressure scanned Fabry-Perot is fixed at a frequency and only the piezoelectrically-scanned Fabry Perot is scanned. The former mode is used for the spectroscopy which needs high-resolution in relatively wide frequency region. The latter is suitable for very high-resolution spectroscopy such as precise measurements of Brillouin lines etc.
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.26.936