Express-control method of frequency nonreproducibility sources in frequency-stabilized He-Ne lasers

Valentin M. Grimblatov; V. V. Kalugin; Lidiya V. Mikhaylovskaya; V. L. Zuniga

doi:10.1117/12.191996

31 October 1994 Express-control method of frequency nonreproducibility sources in frequency-stabilized He-Ne lasers

Valentin M. Grimblatov, V. V. Kalugin, Lidiya V. Mikhaylovskaya, V. L. Zuniga

Proceedings Volume 2113, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics; (1994) https://doi.org/10.1117/12.191996
Event: Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics: International Workshop, 1993, Kiev, Ukraine

Abstract

The discharge current influence on the homogeneous broadening of the spectral lines in the gas-discharge media by direct collisions of the excited atoms with free electrons and also through collision broadening changing because of the gas heating by discharge current is considered. It was established that homogeneous broadening and hence the frequency shift of the spectral line depend essentially on the thermal condition of the laser work. The theoretical calculations are confirmed by the experimental measurements of the dependence of the homogeneous broadening of spectral line 3s₂ - 2p₄ neona in the He-Ne laser on the discharge current magnitude. For the homogeneous broadening determination by the experimentally measured Lamb dip characteristics a new computation method was developed, which can be used both in single-mode and two axial modes conditions of laser generation. It has been shown that on its basis and using known dependencies of the collision broadening of the spectral lines on the pressure, there can be realized an express-control of the main sources of the generation frequency unreproducibility in the sealed off discharge tubes, such as gas pressure and relative excitation of the laser system.

Citation Download Citation

Valentin M. Grimblatov, V. V. Kalugin, Lidiya V. Mikhaylovskaya, and V. L. Zuniga "Express-control method of frequency nonreproducibility sources in frequency-stabilized He-Ne lasers", Proc. SPIE 2113, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, (31 October 1994); https://doi.org/10.1117/12.191996

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KEYWORDS

Helium neon lasers

Gas lasers

Chemical species

Electrons

Neon

Doppler effect

Mercury

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