Generation of plasma channels for laser-triggered lightning

S. Uchida; Y. Shimada; H. Yasuda; C. Yamanaka; D. Wang; D. Wang; Z. I. Kawasaki; Z. I. Kawasaki; K. Matsu-ura; K. Matsu-ura; H. Fujita; H. Fujita; Y. Izawa; Y. Izawa; T. Yamanaka; T. Yamanaka; Y. lshikubo; Y. lshikubo; N. Shimokura; N. Shimokura

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1994),
paper CWH6

Generation of plasma channels for laser-triggered lightning

S. Uchida, Y. Shimada, H. Yasuda, C. Yamanaka, D. Wang, Z. I. Kawasaki, K. Matsu-ura, H. Fujita, Y. Izawa, T. Yamanaka, Y. lshikubo, and N. Shimokura

Conference on Lasers and Electro-Optics 1994

Anaheim, California United States
8–13 May 1994
ISBN: 1-55752-341-X

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Posters Session 2 (CWH)

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S. Uchida, Y. Shimada, H. Yasuda, C. Yamanaka, D. Wang, Z. I. Kawasaki, K. Matsu-ura, H. Fujita, Y. Izawa, T. Yamanaka, Y. lshikubo, and N. Shimokura, "Generation of plasma channels for laser-triggered lightning," in Conference on Lasers and Electro-Optics, T. Baer, A. Smirl, J. Bowers, and D. Miller, eds., Vol. 8 of OSA Technical Digest (Optica Publishing Group, 1994), paper CWH6.

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Abstract

Air breakdown plasma channel produced by focusing a intense laser light is used to trigger lightning.¹ Figure 1 shows the schematic of the laser triggered lightning test site consisting of a CO₂ laser system and a lightning tower. The laser system delivers energies large enough to produce 50- to 100-m-long plasma channels from the top of the lightning tower. A leader propagation initiates from the plasma channel with the help of enhanced fields at the top of the tower.

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