The expanded uncertainty sources values involving in the measurement of frequency laser.
|Uncertainty budget||U (k = 2)|
|uσ (comb stability)||1.9 × 10−13|
|uCs (24 h)||0.3 × 10−13|
|ucomb||2.0 × 10−13|
|ubeat (Tesa RSD/SR)||6.1 × 10−10|
|ubeat (HP5517D)||2.1 × 10−09|
|ubeat (HP5519A)||2.2 × 10−09|
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