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Free keywords:
NARROW-LINEWIDTH LASER; REFERENCE CAVITY; OPTICAL CAVITY; STABILITY;
STANDARD; COMPACT; RANGEOptics; Laser linewidth; Diode laser; Stable cavity;
Abstract:
We report ultra-stable locking of a commercially available extended cavity diode laser to a vibration-insensitive, high finesse Fabry-Perot cavity. A servo bandwidth of 2 MHz is demonstrated. The individual frequency stability of the diode laser after locking is independently measured with a three-cornered-hat method. The resulting Allan deviation reaches a level of 3 x 10(-15) at 1 s, even without vibration isolation of the reference cavity. (C) 2010 Elsevier B.V. All rights reserved