Abstract
Recent results on saturated absorption optical interference spectroscopy of calcium are presented. The photon recoil splitting of the Ca **1S//o-**3P//1 intercombination line at 657 nm has been fully resolved. Linewidths as narrow as 3 kHz half width half maximum intensity (HWHM) are reported for radiation beams spatially separated by up to 3. 5 cm. Second order Doppler is shown to be the present limitation to the accuracy of this technique. Methods are discussed which could lead to an optical wavelength/frequency standard with an accuracy of better than 10** minus **1**4.
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CITATION STYLE
Bergquist, J. C., Barger, R. L., & Glaze, D. J. (1979). HIGH RESOLUTION SPECTROSCOPY OF CALCIUM ATOMS. In Springer Series in Optical Sciences (Vol. 21, pp. 120–129). Springer-Verlag. https://doi.org/10.1007/978-3-540-38950-7_14
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