Abstract
In this paper the feasibility of using metal vapor lasers for visual and optical monitoring of fast processes is discussed. The theoretical calculations consistent with the experimental study have been performed. The possibility of visualizing objects with pulse repetition frequency of the brightness amplifier up to 60 kHz has been demonstrated. The visualization results of the corona discharge are also given.
Highlights
Today many scientific and technical problems are related to the necessity of real-time visual monitoring of different objects and processes shielded by the intense broadband background illumination
The negative impact of cumulative effects in a plasma discharge are partially leveled. Such a mode can be obtained when the amplifier is pumped by high frequency pulses of short duration (20–50 ns, with typical duration of 200–300 ns), as well as it operates in a low-current mode, i.e. when the current going through the gas discharge tube (GDT) is lower than its typical values and equals a few amperes [6]
As it was mentioned above, it is possible to obtain high pulse repetition frequency of metal vapor brightness amplifiers when they are operated at a low energy input into the discharge
Summary
Today many scientific and technical problems are related to the necessity of real-time visual monitoring of different objects and processes shielded by the intense broadband background illumination. Visualization of such processes is possible using active optical systems with brightness amplifiers, for example, a laser monitor [1,2,3].
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