Stanford PNT hollberg Nov07 b - Stanford Center for Position ...

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M X Magnetometer • Improved sensitivity; no GHz oscillator Energy D1 Optical Microwave Vapor cell λ/4 Filter A. Bloom, E. Alexandrov, A. Weis, and many others ν hf Photodetector B Semiconductor Laser ΔB RF Coils
Heater Currents Laser Current Local Oscillator Driving RF Coils Loop Filter Data Acquisition CSAM Operation Photo- Diode Signal Lock-in Amplifier 2 kHz Sidebands Width = 1.7 kHz or 243 nT
Page 1 and 2: Sundial Atoms and Lasers for Precis
Page 3 and 4: Accuracy of clocks through history
Page 5 and 6: Current Microwave-Based Standards a
Page 7 and 8: Relative position, dimensional metr
Page 9 and 10: Feedback System Locks LO to atomic
Page 11 and 12: Laser source Ca Oven Optical Atomic
Page 13 and 14: Fractional Frequency Uncertainty 1.
Page 15 and 16: 1 P1 (6s6p) Atom number [a.u.] Ytte
Page 17 and 18: Feedback System Locks LO to atomic
Page 19 and 20: Count Optical Frequencies with Opti
Page 21 and 22: The frequency of a mode is simply F
Page 23 and 24: Hg + ~1 fs per tooth Mechanical Ana
Page 25 and 26: Optical reference f opt M3 I(f) PUM
Page 27 and 28: Source Lab Laser Source 563 nm line
Page 29 and 30: Next generation Grace laser ranging
Page 31 and 32: Chip Scale Atomic Devices CSAC (clo
Page 33 and 34: 4.2 mm 1.5 mm NIST Chip-Scale Atomi
Page 35 and 36: (A Very Rough) Oscillator Compariso
Page 37 and 38: ? GPS Positioning with < 4 τ 3 τ
Page 39: Magnetometry with Chip-Scale Device
Page 43 and 44: Magnetocardiography with a CSAM •
Page 45 and 46: Nuclear Spin Gyroscopes • Much wo

Stanford PNT hollberg Nov07 b - Stanford Center for Position ...

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