دانلود کتاب Frequency Standards and Metrology: Proceedings of the Fourth Symposium, Ancona, Italy, September 5 – 9, 1988

فهرست مطالب :

Front Matter....Pages I-XX
Front Matter....Pages 1-1
New Looks at Old Ideas....Pages 2-9
Frequency Metrology and the Fundamental Physical Constants....Pages 10-14
Coherent Spectroscopy on a Single Atomic System at Rest in Free Space III....Pages 15-19
Front Matter....Pages 21-21
Use and Availability of the Frequency Standards....Pages 22-22
Advanced Applications of Frequency Standards....Pages 23-28
In Search of the Best Clock — an Update....Pages 29-36
Comparison of Primary Frequency Standards....Pages 37-42
Front Matter....Pages 43-43
Established Microwave Frequency Standards....Pages 44-45
A Point of View on the Accuracy Performances and on the Prospects of Improvement of Primary Cesium Beam Frequency Standards....Pages 46-51
The Accuracy of Commercial Cesium Beam Frequency Standards....Pages 52-56
Reproducibility of H Maser Standards....Pages 57-61
Advances in the Theory of Gas-Cell Atomic Frequency Standards....Pages 62-67
Front Matter....Pages 69-69
Presentation of the Session Entitled “New Standards”....Pages 70-70
High Accuracy Spectroscopy of Stored Ions....Pages 71-77
Mg Beam Frequency Standard....Pages 78-83
Front Matter....Pages 85-85
Introduction to Cold Hydrogen Masers....Pages 86-87
The Cold Hydrogen Maser....Pages 88-94
Performance of the UBC Cryogenic Hydrogen Maser....Pages 95-101
Quantum Scattering of Atomic Hydrogen from the Surface of Liquid Helium....Pages 102-107
Front Matter....Pages 109-109
Influence of Low Magnetic Field on Pumping Efficiency in an Optically Pumped Cesium Beam Resonator....Pages 110-115
Front Matter....Pages 109-109
An Optically Pumped Primary Frequency Standard....Pages 116-119
Design of an Optically Pumped Cs Laboratory Frequency Standard....Pages 120-125
Preliminary Results and Some Considerations on Optically Pumped Cesium Beam Frequency Standard....Pages 126-131
Experimental Results on an Optically Pumped Cs Frequency Standard....Pages 132-136
Temperature Measurements of Laser Cooled Cesium Atoms....Pages 137-142
Front Matter....Pages 143-143
Local Oscillators — Introductory Remarks....Pages 144-144
Stability of Frequency Locked Loops....Pages 145-149
1/f Noise in Oscillators: Theoretical and Experimental Progresses....Pages 150-156
RF Local Oscillators for Future Frequency Standards....Pages 157-161
Ultra-Stable Cavity-Stabilized Lasers with Subhertz Linewidth....Pages 162-173
Low-Noise and Stable LO’s for Deep Space Applications....Pages 174-178
Front Matter....Pages 179-179
Progress in Infrared Frequency Synthesis....Pages 180-180
Coherent Frequency Measurements of the Hfs-Resolved Methane Line....Pages 181-186
Phase-Locked Frequency Chains to 130 THz at NRC....Pages 187-190
Direct Comparison of the Characteristics of Optical and Hydrogen Frequency Standards....Pages 191-194
Front Matter....Pages 195-195
The Physics of Optical Frequency Standards Using Saturation Methods....Pages 196-205
Double-Mode He-Ne/CH 4 Laser Stabilized by Methane Resonances with Relative Width of 10 −11 ....Pages 206-211
State-of-the-Art for High Accuracy Frequency Standards in the 28 THz Range Using Saturated Absorption Resonances of OsO 4 and CO 2 ....Pages 212-221
Front Matter....Pages 223-223
Solid State Lasers — Introduction....Pages 224-224
Narrow-Linewidth Operation of Diode-Laser-Pumped Nonplanar Ring Oscillators....Pages 225-230
Front Matter....Pages 223-223
Optical Stabilization of Semiconductor Lasers....Pages 231-235
Frequency Stabilization of Highly Coherent AlGaAs Diode Lasers....Pages 236-241
Frequency Control of Semiconductor Lasers....Pages 242-246
Front Matter....Pages 247-247
Recent Progress in the Control of the Motion of Atomic Beams by Laser Fields....Pages 248-263
Atoms Laser-Cooled Below the Doppler-Cooling Limit....Pages 264-269
High-Contrast, High-Resolution Single Recoil Component Ramsey Fringes in Ca....Pages 270-276
Obtaining of Supernarrow Saturated Absorption Resonances on Cold Particles and Their Use for Optical Frequency Standards....Pages 277-281
Laser Cooling in Calcium and Magnesium Atomic Beams....Pages 282-284
Front Matter....Pages 285-285
Introduction to the Session on Trapped Ions....Pages 286-286
Hg + Single Ion Spectroscopy....Pages 287-292
Lifetime Measurements of Metastable States in Ions....Pages 293-299
Nonlinear Effects in Trapped Three-Level Ions....Pages 300-305
New Frequency Standards Based on Yb + ....Pages 306-311
Laser Spectroscopy of a Single Barium Ion Using “Shelving”....Pages 312-318
Frequency Standards Utilizing Penning Traps....Pages 319-325
The Interferometric Detection of Gravitational Waves — a Status Report....Pages 326-331
Relativity, Pulsar Time, and Atomic Time....Pages 332-337
Testing Spatial Isotropy Using Optically-Pumped 199 Hg and 201 Hg....Pages 338-342
Squeezed States, Interferometric Limits and Back-Action Evasion....Pages 343-348
Mass Ratio Spectroscopy and the Proton’s Atomic Mass....Pages 349-355
Front Matter....Pages 285-285
The Physics of Circular Atoms and the Measurement of the Rydberg Constant....Pages 356-361
Determination of the Rydberg Constant by Doppler-Free Two-Photon Spectroscopy of Atomic Hydrogen Rydberg States....Pages 362-367
Front Matter....Pages 369-369
The Primary Cesium Atomic Clocks of the PTB....Pages 370-373
Metrological Parameters of the Primary Cesium Beam Frequency Standards in the National Time and Frequency Standard of the USSR....Pages 374-378
Work on Cesium Standards at NRC....Pages 379-381
Optical Pumping with Finite-Linewidth Lasers: Predictions for the Optically Pumped Cesium Beam Frequency Standard....Pages 382-385
Work on Primary Cesium Beam Frequency Standard at CRL....Pages 386-388
Improvement and Reevaluation of Chinese Primary Frequency Standard....Pages 389-391
Preliminary Results on Small Optically Pumped Cesium Resonator....Pages 392-394
Determining the Velocity Distribution in Cesium Beams from the Response to a Microwave Pulse....Pages 395-397
Physical Problems Determining the Reliability of the Classical Microwave Frequency Standards....Pages 398-399
Difference Frequency in Two Isotopes Atomic Beam Magnetic Resonance Apparatus as Candidate for Frequency Standard....Pages 400-401
Studies and Developments of H-Masers at LHA....Pages 402-403
Hydrogen Maser Auto-Tuning Systems....Pages 404-405
Work on Hydrogen Maser....Pages 406-407
Advanced Atomic Hydrogen Masers....Pages 408-409
Recent Progress in Oscillating Compact Hydrogen Masers [1]....Pages 410-411
Shapes of Storage Bulbs for Hydrogen Masers for Maximum Filling Factor....Pages 412-413
H Maser and Rb Work in Romania....Pages 414-415
Collisions of Atoms in Microwave and Laser Fields....Pages 416-417
Front Matter....Pages 369-369
Temperature of Mercury Ions Stored in an R.F. Cylindrical Trap....Pages 418-419
A High Stability Oscillator Based on a Sapphire Loaded Superconducting Cavity Resonator....Pages 420-424
Recent Scientific Results at the Istituto di Radioastronomia....Pages 425-426
The Time and Frequency System at the Matera Space Geodesy Center....Pages 427-430
Optical Pumping of Rubidium Vapor with Laser-Diodes: Application to Coherent Optical Communications....Pages 431-433
Improvements in Short- and Long-Term Frequency Stabilities of Diode Laser Pumped Rubidium Atomic Clock....Pages 434-435
Efficient Frequency Noise Reduction of GaAIAs Laser Diodes by Negative Electronic Feedback....Pages 436-438
Some Applications of Extended-Cavity Semiconductor Lasers....Pages 439-440
Ultra-Narrow Linewidth of Optically Self-Locked Diode Lasers....Pages 441-444
Manipulation of Metastable Helium with a LNA Laser....Pages 445-446
Quantitative Study of Laser Cooling in a Penning Trap....Pages 447-448
Laser Cooling and Resonant Transport of MG+ Ions in a Penning Trap....Pages 449-450
Trapped Yb + as a Potential Optical Frequency Standard....Pages 451-452
Kinetic Energy and Spatial Distribution of Ion Clouds in Paul Traps....Pages 453-454
Tuning Characteristic of 543 nm Internal Mirror He-Ne Laser for Frequency Stabilization....Pages 455-456
Double-Mode CO 2 Laser with Complex Resonator for Frequency Standards and Superhigh Resolution Spectroscopy....Pages 457-458
Laser Frequency Measurement at NPL....Pages 459-460
Saturation Spectroscopy with the NH 3 Laser....Pages 461-462
OsO 4 Molecular Beam for High Accuracy Frequency Standard....Pages 463-464
He-Ne Laser at 612 nm Stabilized to 127 I 2 Using FM Spectroscopy....Pages 465-466
Front Matter....Pages 369-369
Frequency Stabilization of a 543.5 nm Wavelength He-Ne Laser to an Iodine Absorption Line....Pages 467-468
Measurement of Isotope Shift in Optical Transitions of Atomic Oxygen....Pages 469-471
Back Matter....Pages 472-473
....Pages 475-484