Influence of<i>LC</i>-circuit parameters on the output energy of an XeCl laser

Ануфрик, С. С.; Znosko, K. F.; Kurganskii, A. D.

doi:10.1070/qe1989v019n11abeh009438

Cited by 3 publications

(6 citation statements)

References 3 publications

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“…The time-varying nature of the discharge equivalent impedance R d may cause severe impedance mismatch, leading to polarity reversal (oscillation) of the gap voltage and the discharge current. This phenomenon has been observed in both experiments [17][18][19][20][21] and simulation [18,19,[22][23][24].…”

Section: Introductionmentioning

confidence: 58%

Effects of tunable circuit parameters on pulsed discharge and input-output characteristics of a XeCl excimer laser

Chen,

Zhao,

Liu

et al. 2024

J. Phys. D: Appl. Phys.

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High-pressure, pulsed discharge-pumped XeCl excimer lasers are operating in the ultraviolet range at a wavelength of 308 nm. In this paper, a one-dimensional fluid model coupled to a magnetic pulse compression (MPC) excitation circuit and a laser gain model is established for describing the discharge and laser output characteristics of XeCl excimer lasers. The effects of the peaking capacitor C p (the terminal of the MPC circuit) on the discharge properties and input-output characteristics are explored. The results reveal that C p plays a key role in suppressing discharge pulse oscillation, which in turn influences the peak value and duration of the laser pulse. By optimizing the capacitance, a maximum excimer formation efficiency of 6.6% and a maximum laser output efficiency of 5% (output energy of 1.26 J) are obtained when C p = 1.12 C s , where C s is the storage capacitor in the MPC circuit.

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Section: Introductionmentioning

confidence: 58%

Effects of tunable circuit parameters on pulsed discharge and input-output characteristics of a XeCl excimer laser

Chen,

Zhao,

Liu

et al. 2024

J. Phys. D: Appl. Phys.

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“…In the case of approximation of discharge resistance by system (2), we have obtained a good agreement between experimental and calculated oscillograms. In a fig.9 the calculated dependences and experimental results [1] are submitted.…”

Section: Results For Lc-invertermentioning

confidence: 97%

“…The laser chambers with active volume 3,5 2 115 sm 3 [1] have been used as for LC-contour, as for LC-inverter. The preionization of the main discharge gap is due to uv-radiation from additional discharge between the main and preionization electrode.…”

Section: Discussionmentioning

confidence: 99%

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<title>Modelling of electro-discharge XeCl laser excitation systems</title>

2008

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With the purpose of reception of energy of generation 0,2-1 J, two types of electrodischarge XeCl-laser excitation system with was created. The modeling procedure of XeCl-laser excitation systems is developed, allowing calculate the form of a voltage pulse on laser electrodes and energy input in the active medium. The dependence of discharge gap resistance on time is usually simulated by exponential empirical dependence. In this case the breakdown voltage of inter-electrode gap must be taken from experimental data also. For each gas mixture, parameters of time dependence of discharge gap resistance and value of inter-electrode breakdown voltage have different values. Consequently, the results, which are obtained in this manner, have practical significance for definite gas ratio of mixture. We have developed the simple model, which takes into account the dependence of discharge gap parameters from gas pressure and composition. The solution of Boltzmann equation for electrons in electrical field (E/N) and calculation of kinetic processes may be carried out. In this case the effective rate of electrons formation may be approximated as function of gas composition and (E/N). Results of one model are compared to results of other model and experimental data.

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“…The theoretical results are in a good agreement with experimental data. Moreover, typical working proportions of mixes lay approximately in such range for electro-discharge XeCl-lasers [5][6][7][8][9][10][11][12].…”

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confidence: 99%

<title>Stability of quasi-steady mode of electro-discharge XeCl lasers</title>

2008

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The influence of gas mixing ratio on stability of quasi-steady mode of electro-discharge XeCl-lasers operation is discussed. The simplified model for electric-discharge XeCl-laser is presented. Although there are many reports on the models of XeCl-laser, for an analysis having clear physical sense it is useful to have a simplified kinetic model. The model enables to calculate an electrons concentration, density of excimer XeCl * molecules and specific energy deposition in active medium. The quasi-steady mode of discharge in XeCl-lasers is analyzed.

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Influence ofLC-circuit parameters on the output energy of an XeCl laser

Cited by 3 publications

References 3 publications

Effects of tunable circuit parameters on pulsed discharge and input-output characteristics of a XeCl excimer laser

Effects of tunable circuit parameters on pulsed discharge and input-output characteristics of a XeCl excimer laser

<title>Modelling of electro-discharge XeCl laser excitation systems</title>

<title>Stability of quasi-steady mode of electro-discharge XeCl lasers</title>

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