Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Uncertainty in Measurement: Reading Instruments02:46

Uncertainty in Measurement: Reading Instruments

54.3K
Counting is the type of measurement that is free from uncertainty, provided the number of objects being counted does not change during the process. Such measurements result in exact numbers. By counting the eggs in a carton, for instance, one can determine exactly how many eggs are there in the carton. Similarly, the numbers of defined quantities are also exact. For example, 1 foot is exactly 12 inches, 1 inch is exactly 2.54 centimeters, and 1 gram is exactly 0.001 kilograms. Quantities...
54.3K
Electronic Distance Measuring Instruments01:30

Electronic Distance Measuring Instruments

564
Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting electromagnetic signals and calculating the time required for these signals to travel to a target and return. Two primary types of signals are used in EDMs — light waves and microwaves — each suited to specific environmental and distance requirements. Light-wave-based EDMs utilize either infrared or laser light, providing high accuracy over...
564
IR Frequency Region: X–H Stretching01:24

IR Frequency Region: X–H Stretching

1.5K
In IR spectroscopy, signals produced by the X−H bonds (such as C−H, O−H, or N−H) can be observed in the frequency range of  2700–4000 cm–1. The C−H stretching vibration forms sharp bands in the region 2850–3000 cm–1. The presence of the O−H stretching vibration leads to the forming of an absorption band in the frequency range 3650–3200 cm−1. At the same time, N−H stretching can be confirmed by absorption bands in...
1.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Transcriptomic insights into the immunological similarities and differences among the spleen, head kidney, and trunk kidney in Hemibarbus Labeo.

BMC genomics·2026
Same author

Micro-Vibration Control of Deployable Space Optical Imaging System Using Distributed Active Vibration Absorbers.

Sensors (Basel, Switzerland)·2025
Same author

Improving laser power stability with a photosensitive lens.

The Review of scientific instruments·2021
Same author

Laser with 10<sup>-13</sup> short-term instability for compact optically pumped cesium beam atomic clock.

Optics express·2020
Same author

A highly integrated single-mode 1064 nm laser with 8.5 kHz linewidth for dual-wavelength active optical clock.

The Review of scientific instruments·2018
Same author

Measurement and control from frequency to phase based on virtual signal reconstruction.

The Review of scientific instruments·2018

Related Experiment Video

Updated: Feb 19, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.8K

Compact Rb optical frequency standard with 10-15 stability.

Shengnan Zhang1, Xiaogang Zhang1, Jingzhong Cui2

  • 1State Key Laboratory of Advanced Optical Communication Systems and Networks, and Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China.

The Review of Scientific Instruments
|November 3, 2017
PubMed
Summary

A new, cost-effective Rubidium (Rb) optical frequency standard achieves 10-15 stability, rivaling iodine (I2) standards. This compact system simplifies laser locking for precise frequency measurements.

More Related Videos

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.6K
Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional &#960;-conjugate Systems
09:57

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

7.7K

Related Experiment Videos

Last Updated: Feb 19, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

9.8K
Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator
07:42

Rapid Repetition Rate Fluctuation Measurement of Soliton Crystals in a Microresonator

Published on: December 15, 2021

3.6K
Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional &#960;-conjugate Systems
09:57

Ultrafast Time-resolved Near-IR Stimulated Raman Measurements of Functional π-conjugate Systems

Published on: February 10, 2020

7.7K

Area of Science:

  • Atomic Physics
  • Metrology
  • Laser Spectroscopy

Background:

  • Optical frequency standards are crucial for precise timekeeping and scientific measurement.
  • Existing standards, like those based on iodine (I2), can be complex and expensive.
  • Rubidium (Rb) offers a promising alternative due to its atomic properties.

Purpose of the Study:

  • To develop a low-cost, small-sized Rubidium (Rb) optical frequency standard.
  • To achieve high stability comparable to state-of-the-art standards.
  • To simplify the experimental setup for laser locking.

Main Methods:

  • Utilized the 85Rb 5S1/2 → 6P3/2 transition.
  • Directly locked a 420 nm diode laser to the hyperfine transition (5S1/2 F = 3 → 6P3/2 F' = 4).
  • Eliminated the need for a Pound-Drever-Hall pre-locking system, achieving a high signal-to-noise ratio (350,000 at 1s).

Main Results:

  • Achieved a stability of 10-15, comparable to leading 532 nm I2 standards.
  • Preliminary stability reached 1.2×10-14/τ, improving to 2.1 × 10-15 at 80 seconds.
  • Demonstrated potential for reduced cost and system volume.

Conclusions:

  • The developed Rb optical frequency standard offers competitive stability with significantly lower cost and size.
  • This work validates the use of higher excited states in alkali atoms for advanced wavelength standards.
  • The simplified laser-locking technique paves the way for more accessible high-performance frequency standards.