A compact and stable acousto‐optical spectrometer | Zendy

Garde M. J. | Zendy; Sebastian J. L. | Zendy; Pintado J. Martin | Zendy; Gallego J. D. | Zendy

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A compact and stable acousto‐optical spectrometer

Author(s) -

Garde M. J.,

Sebastian J. L.,

Pintado J. Martin,

Gallego J. D.

Publication year - 1992

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.4650050915

Subject(s) - spectrometer , bandwidth (computing) , optics , physics , tangent , simplicity , sky , resolution (logic) , computer science , telecommunications , mathematics , geometry , astrophysics , quantum mechanics , artificial intelligence

A compact (900 × 100 × 120 mm) acousto‐optical spectrometer (AOS) of 60‐MHz bandwidth and effective resolution of 100 kHz has been designed with a minimum number of components and simplicity as design criteria. The spectrometer allows for integration times of several minutes during source‐on and sky‐off phases. The TeO 2 deflector does not use the usual tangent interaction outside the (110) axis, but a two‐band interaction known as quasitangent that leads to a greater bandwidth. The AOS is being used with the 14‐m antenna at the Centro Astronomico de Yebes facility, providing excellent results. © 1992 John Wiley & Sons, Inc.

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