Keyphrases
133Cs
27%
20Ne
10%
22Ne
10%
Absolute Frequency
45%
Absolute Frequency Measurement
18%
Cesium
100%
Cesium Atoms
12%
Comb Laser
60%
Diode Laser
83%
Dissociation Threshold
9%
Error Sources
8%
Femtosecond
18%
Fiber Laser
6%
Frequency Accuracy
10%
Frequency Comb Spectroscopy
18%
Frequency Doubling
16%
Frequency Estimation
10%
Frequency Reference
20%
Frequency Stability
10%
Frequency Stabilization
10%
Frequency Standard
15%
He-Ne Laser
37%
Helium
11%
High-resolution
25%
Hyperfine Coupling Constant
11%
Hyperfine Structure
9%
Hyperfine Transition
48%
Intra-cavity
32%
Iodine
53%
Isotope Shift
10%
Lamb-dip
11%
Laser Frequency
11%
Laser Power
12%
Laser Stabilization
9%
Laser-based
17%
Length Standard
9%
Molecular Iodine
20%
Narrow Linewidth
6%
Optical Frequencies
9%
Quantum Interference
6%
Reelability
9%
Sapphire
44%
Sapphire Laser
18%
Signal-to-noise Ratio
15%
Sub-Doppler
6%
Two-photon
17%
Two-photon Spectroscopy
41%
Two-photon Transition
56%
Wavelength Range
7%
Wavelength Standards
12%
Physics
Atmospherics
11%
Caesium
89%
Comb Laser
41%
Fiber Laser
9%
Frequency Measurement
11%
Frequency Modulation
9%
Frequency Shift
6%
Frequency Standard
16%
Harmonics
15%
Helium Atom
6%
High Resolution
34%
Hyperfine Structure
8%
Isotope Effect
13%
Laser Cavity
9%
Linewidth
20%
Optical Communication
6%
Semiconductor Laser
91%
Signal-to-Noise Ratio
32%
