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ICOP & ICPET 2019, 25 - ICOP & ICPET 2019: 869-872 Back to browse issues page
System of short pulse flashlamps for optical pumping of a laser-induced plasma
Fatemeh sadat Tahsildaran *1, Amir hossein Farahbod2, Rasoul Malekfar1
1- Atomic and Molecular Physics Group, Department of Physics, Tarbiat Modares University, Tehran
2- Department of Plasma and Nuclear Fusion, Nuclear Institute of Science and Technology, Tehran
Abstract:   (466 Views)

Optical pumping of the laser-induced plasma of metals at a low-pressure atmosphere requires high power optical sources in the blue and ultra-violet region of spectrum. To achieve the highest optical pumping at the laser beam position on the target surface, a special optical configuration and discharge circuit are designed and applied to trigger two and four, 20 mm arc length, xenon flash lamps in series. Moreover, the behavior of discharge circuit and its capability to excite the flash lamps at a low pressure of air and neon atmosphere (0.1-100 mbar) is investigated. The experimental findings show that the pulse-width of the discharge current for 0.5 J total charging energy is less than 3.5 microseconds. In addition, the jitter among the peaks of discharge current and the laser pulse is less than 1 microseconds that is more than the adequate to pump effectively plasma at the proper time.

Keywords: Laser induced plasma, Optical pumping, Xenon flash lamp
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Type of Study: Research | Subject: Special
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Tahsildaran F S, Farahbod A H, Malekfar R. System of short pulse flashlamps for optical pumping of a laser-induced plasma. ICOP & ICPET. 2019; 25 :869-872
URL: http://opsi.ir/article-1-1681-en.html

Volume 25 - ICOP & ICPET 2019 Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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