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Simultaneous phase-lock of five CO2 lasers to a primary Cs frequency standard (1984)

Whitford, B. G.

Springer

Applied physics 35 (1984), S. 119-122

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ISSN: 1432-0649

Keywords: 42.72 ; 42.80 ; 42.60

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The output of a CO2 laser, operating on theP I(18) transition of13C16O2 at 26941 GHz (11.128 μm) was phase-locked to a 5 MHz signal from a primary Cs frequency standard by means of a frequency chain having only CO2 lasers as infrared sources. Simultaneously, four other CO2 lasers in the chain were phase-locked to the 26941 GHz output. This provided CO2 laser frequencies at 26 450 305, 26 940 815, 28 694 625, 29 442 480, and 33 185 715 MHz having zero long-term-average frequency error relative to the Cs standard, and the ±10−13 (≃3 Hz) long-term absolute uncertainty of the standard.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00697698

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