By E. Arimondo, P.R. Berman and C.C. Lin (Eds.)
This quantity keeps the culture of the Advances sequence. It comprises contributions from specialists within the box of atomic, molecular, and optical (AMO) physics. The articles comprise a few assessment fabric, yet are meant to supply a accomplished photo of modern very important advancements in AMO physics. either theoretical and experimental articles are integrated within the quantity. . overseas specialists . entire articles . New advancements
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Additional info for Advances in Atomic, Molecular, and Optical Physics
2 0 −60 −40 −20 0 20 40 60 Detuning of f m [kHz] λ /4 Synthesizer Figure 8 Excitation of CPT resonances in an alkali vapor cell with a modulated diode laser. (a) The atomic energy level spectrum and optical frequency spectrum of the modulated diode laser. The CPT resonance is excited when the frequency splitting, 0 = nfm, between two components of the diode laser optical spectrum is equal to the atomic ground-state hyperfine splitting, eg- ef. (b) Experimental setup. LD, laser diode; P, polarizer; S, solenoid; AN, polarization analyzer; PD, photodetector; /4, quarterwave plate.
The other lines are separated from the central line by even multiples of the Larmor frequency fL = B0, where is the gyromagnetic ratio of the atoms. Atoms with higher nuclear spin have more Zeeman levels, and the CPT spectrum consists of correspondingly more lines. If the magnetic field is rotated so it has a transverse component, the CPT spectrum displays additional lines half way between the DmF = 0 lines corresponding to DmF = 1 transitions. Transitions with DmF = 2 can also be excited. For a more complete description of the CPT spectrum, see Wynands and Nagel (1999) and Knappe (2001).
1976) are shown in Figure 2. , 1978; Whitley & Stroud, 1976;). The dark line in the fluorescence was identified as resulting from (destructive) interfer ence of absorption pathways in the coherently excited atomic system. Advances in CPT for Atomic Clocks 25 Figure 2 Data showing the fluorescence from a Na vapor cell under illumination by a multimode optical field. A magnetic field is applied with a gradient along the axis of the light propagation. Three dark lines are observed in the fluorescence spectrum.
Advances in Atomic, Molecular, and Optical Physics by E. Arimondo, P.R. Berman and C.C. Lin (Eds.)