Frequency standards at 1.523 um based on 20Ne and at 1.56-um derived from the 0.780 um Rb frequency standard

David J. Knight; K. I. Pharaoh; Geoffrey P. Barwood; David A. Humphreys; Christopher J. Hodges; Martin Lawrence; Keith H. Cameron

doi:10.1117/12.143665

30 April 1993 Frequency standards at 1.523 μm based on ²⁰Ne and at 1.56 μm derived from the 0.780 μm Rb frequency standard

David J. Knight, K. I. Pharaoh, Geoffrey P. Barwood, David A. Humphreys, Christopher J. Hodges, Martin Lawrence, Keith H. Cameron

Author Affiliations +

Proceedings Volume 1837, Frequency-Stabilized Lasers and Their Applications; (1993) https://doi.org/10.1117/12.143665
Event: Applications in Optical Science and Engineering, 1992, Boston, MA, United States

Abstract

This paper reports experimental work towards a laboratory standard based on the ²⁰Ne transition at 1.523 micrometers , some calibration measurements to 2.5 parts in 10⁷ on lines of C₂H₂ between 1.52 and 1.545 micrometers , and investigation of a standard at 1.56 micrometers involving a CO line. Progress is described towards measurement of the latter line by frequency doubling to, and beating against, a Rb D₂-line stabilized laser at 0.780 micrometers of known frequency.

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David J. Knight, K. I. Pharaoh, Geoffrey P. Barwood, David A. Humphreys, Christopher J. Hodges, Martin Lawrence, and Keith H. Cameron "Frequency standards at 1.523 μm based on ²⁰Ne and at 1.56 μm derived from the 0.780 μm Rb frequency standard", Proc. SPIE 1837, Frequency-Stabilized Lasers and Their Applications, (30 April 1993); https://doi.org/10.1117/12.143665

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