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Frequency chain towards the Ca intercombination line based on laser diodes: First step (1994)

Akulshin, A. M. ; Nakagawa, K. ; Ohtsu, M.

Springer

Applied physics 58 (1994), S. 529-532

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ISSN: 1432-0649

Keywords: 42.60 ; 32.30 ; 43.65

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Stable, narrow linewidth operation of red and 1.3 µm free-running laser diodes with external gratings in non-Littrow geometry is demonstrated. The resonance of the saturated fluorescence of an atomic beam with a contrast of 25% and a linewidth of 400 ± 50 kHz of the Ca intercombination line 41 S 0−43 P 1 (λ = 657 nm) is shown. A high-power (110 mW) single-mode external cavity laser diode at 1.3 µm is used for second-harmonic generation in a KTP crystal. The beat signal (signal to noise ratio about 25 dB) of 10 nW second-harmonic radiation at 1.3 µm and the radiation of a laser diode in the visible spectrum, as a step to realize a frequency chain, is observed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01081085

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