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|Type:||Artigo de periódico|
|Title:||Visible Lasers With Subhertz Linewidths|
|Abstract:||We report a visible laser with a subhertz linewidth for use in precision spectroscopy and as a local oscillator for an optical frequency standard. The laser derives its stability from a well-isolated, high-finesse, Fabry-Pérot cavity. For a 563 nm laser beam locked to our stable cavity, we measure a linewidth of 0.6 Hz for averaging times up to 32 s. The fractional frequency instability for the light locked to the cavity is typically 3 × 10 -16 at 1 s. Both the linewidth and fractional frequency instability are approximately an order of magnitude less than previously published results for stabilized lasers.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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