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Stabilization of single frequency internal mirror He-Ne lasers
Applied Optics
|June 16, 2010
Summary
High-stability helium-neon (He-Ne) lasers demonstrate excellent performance. These lasers achieve relative amplitude stability of +/-0.013% and relative frequency stability of +/-3.5 x 10(-10) over extended periods.
Area of Science:
- Laser Physics
- Optical Engineering
Background:
- Commercial single-frequency, internal mirror Helium-Neon (He-Ne) lasers are widely used in scientific and industrial applications.
- Maintaining stable laser output is crucial for precision measurements and advanced technologies.
Purpose of the Study:
- To evaluate and report the amplitude and frequency stability of a commercial He-Ne laser.
- To establish performance benchmarks for high-stability laser sources.
Main Methods:
- Utilized a commercial single-frequency, internal mirror He-Ne laser.
- Monitored relative amplitude and frequency fluctuations over time.
- Employed long-term measurement periods exceeding 10 minutes.
Main Results:
- Achieved a relative amplitude stability of +/-0.013%.
- Demonstrated a relative frequency stability of +/-3.5 x 10(-10).
- These stabilities were maintained for measurement durations of 10 minutes or longer.
Conclusions:
- The commercial He-Ne laser exhibits high amplitude and frequency stability.
- The laser is suitable for applications requiring precise and stable optical output.
- Confirms the reliability of internal mirror He-Ne lasers for demanding optical tasks.
