High-Voltage Repetition-Frequency Charging Power Supply for Pulsed Laser

With the wide use of laser in industry, agriculture, medical, and military, the requirement of its preceding excitation power supply is also getting higher and higher. In this paper, a high-voltage repetition-frequency charging power supply used for pulsed laser is described, which uses the principl...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2015-05, Vol.43 (5), p.1387-1392
Main Authors: Liu, Kun, Fu, Rongyao, Gao, Yinghui, Sun, Yaohong, Yan, Ping
Format: Article
Language:English
Subjects:
Control system
Control systems
Digital signal processing
digital signal processor (DSP)
Digital signal processors
electromagnetic compatibility
Frequencies
high-voltage repetition-frequency charging power supply (HVRFCPS)
Inverters
Lasers
Power lasers
Power supplies
Power supply
pulsed laser
Resonant frequency
Software
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Summary:With the wide use of laser in industry, agriculture, medical, and military, the requirement of its preceding excitation power supply is also getting higher and higher. In this paper, a high-voltage repetition-frequency charging power supply used for pulsed laser is described, which uses the principle of series resonant and power electronic conversion. A high-frequency high-voltage transformer and a high-voltage silicon rectifier are also used to obtain a dc voltage, whose output power can reach up to 20 kW. The control system of the power supply is based on the digital signal processor, so that the output voltage can be regulated between 0 and 30 kV, and the repetition frequency can be regulated between 1 and 100 Hz. Some other functions have been designed, such as the two control modes of remote control by PC and local control by keyboard. To extend the application of this power supply, an external trigger control interface is also provided for the synchronization control of the power supply and other equipment of the pulsed laser system. In the experiment, the power supply that described in this paper was used as the preceding excitation power supply of the pulsed laser. The results of the experiment show that the power supply can work effectively.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2015.2410299