Investigation on a TEA-CO<sub>2</sub> laser with surface corona pre-ionization

A. Behjat; M. Aram; F. Soltanmoradi; M. Shabanzadeh

doi:10.1117/12.677389

31 May 2006 Investigation on a TEA-CO₂ laser with surface corona pre-ionization

A. Behjat, M. Aram, F. Soltanmoradi, M. Shabanzadeh

Proceedings Volume 6263, Atomic and Molecular Pulsed Lasers VI; 626305 (2006) https://doi.org/10.1117/12.677389
Event: Atomic and Molecular Pulsed Lasers VI, 2005, Tomsk, Russian Federation

Abstract

The construction of a surface corona UV pre-ionized TEA CO₂ laser is described and dependence of its average output energy of the laser to gas mixture, discharge voltage and repetition rate is investigated. The electric circuit diagram and geometry of the pre-ionization system are presented. Configuration of circuit has been designed to produce only impulsive voltage difference between the laser electrodes. Also, the triggering configuration of trigatron is prepared for fast operation to minimize the arc occurrence as much as possible. Some data of current, voltage, laser pulses and average output energy versus gas mixture and applied voltages are given. IR spectrometer is used for measurements of central output wavelength of the laser. Operation of the laser on two adjacent vibrational-rotational transitions of CO₂ molecule has been observed that shows the ability of this laser for working on multi-line in a same time for special applications.

Citation Download Citation

A. Behjat, M. Aram, F. Soltanmoradi, and M. Shabanzadeh "Investigation on a TEA-CO₂ laser with surface corona pre-ionization", Proc. SPIE 6263, Atomic and Molecular Pulsed Lasers VI, 626305 (31 May 2006); https://doi.org/10.1117/12.677389

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