Abstract
Technical fluctuations of the frequency of a gas laser with nonlinear absorption are analyzed theoretically. The spectrum of frequency fluctuations is calculated for a laser with automatic frequency stabilization and an external automatic frequency control (AFC). The frequency instability σ(τ) is calculated as a function of the averaging time τ, the time constant of the automatic frequency control circuit τ0, and of the nonlinear frequency pulling factor S. The limiting values of the short-term and long-term stability are deduced allowing for the intrinsic noise of the AFC circuit. A frequency-stabilization system with two nonlinearly absorbing cells (tandem system) is discussed. It is shown that this system can raise considerably the short-term and long-term stabilities by automatic frequency stabilization.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
