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NIST Time and Frequency Division's annual seminar covers precision clocks and oscillators, atomic frequency standards, rf and optical synchronization, optical oscillators, quantum information, optical cooling and heating; making precise frequency, time, phase-noise, and jitter measurements; and establishing measurement accuracy and traceability. This 3-day course is the most comprehensive available.
Agenda (Mountain Time) Check back for updates!
| Tuesday, July 29, 2025 | |
| 8:00 - 9:00 | Registration and check-in; 9:00 – 9:10 Introductions by David Howe |
| 9:10 - 9:40 | (CH1) Timekeeping and Time Distribution, Elizabeth Donley |
| 9:40 - 10:10 | (CH2) Oscillator Measurement Definitions and Concepts – I, David Howe |
| 10:10 - 10:30 | Break |
| 10:30 - 11:00 | (CH2) Clock Measurement Definitions and Concepts – II, David Howe |
| 11:00 - 12:00 | (CH3) Introduction to Time Domain Measurement Standards, Jeff Sherman |
| 12:00 – 12:45 | Lunch |
| 12:45 - 2:15 | (CH4) Time-Domain Analysis, Jeff Sherman |
| 2:15 – 2:50 | (CH5) Time-Domain and Frequency-Domain, David Howe |
| 2:50 – 3:20 | Break |
| 3:20 - 4:30 | (CH6) Techniques of State-of-the-Art PM and AM Noise Measurements, Craig Nelson |
| 4:30 – 5:10 | (CH7) Vibration-Induced Phase Noise: Oscillators and Non-Oscillatory Components, Archita Hati |
Wednesday, July 30, 2025 | |
| 8:30 -8:45 | Craig Nelson / David Howe: Announcements |
| 8:45 – 9:30 | (CH8) Direct Digital Measurement of Precision Oscillators, Marco Pomponio |
| 9:30 – 10:05 | (CH9) Optical Frequency Division for Ultralow Phase Noise Microwaves, Frank Quinlan |
| 10:05 – 10:30 | Break |
| 10:30 – 12:00 | (CH10) Introduction to GNSS for Position, Navigation, and Timing, Penina Axelrad |
| 12:00 – 12:45 | Lunch |
| 12:45 – 1:00 | Go to Bldg. 81 - Convene in Rm 1A113 for live Demonstrations |
| 1:00 – 2:15 | (CH11) Basic Measurements of Time and Frequency, Andrew Novick |
| 2:15 – 2:35 | Break |
| 2:35 – 4:00 | (CH12) Phase Noise Measurement Demonstration, Archita Hati |
| 4:00 – 5:00 | Hands-on Test and Noise Measurements, Archita Hati |
| 5:30 - 8:00 | Off-site Open House Microchip Technology Inc. |
Thursday, July 31, 2025 | |
| 8:00 - 8:15 | Questions and Answers |
| 8:15 - 9:00 | (CH13) Precise and Accurate Network Timing, Jeff Sherman |
| 9:00 - 9:50 | (CH14) Cs Fountains at NIST, Vladi Gerginov |
| 9:50 - 10:30 | (CH15) Optical Atomic Frequency Standards, Andrew Ludlow |
| 10:30 - 10:50 | Break |
| 10:50 - 11:20 | (CH16) Chip-Scale Atomic Sensors and Clocks, Matt Hummon |
| 11:20 - 12:00 | (CH17) Time Transfer Alternatives to GNSS, Common-view, Jeff Sherman |
| 12:00 | Conclusion and Discussion |
| 2:00 – 4:00 | Convene in Lobby for Final Lecture TBD |
Lodging information coming soon
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