Sub-diffraction-Limit Voids in Bulk Quartz Induced by
Femtosecond Laser Pulses

Chin. Phys. Lett.

2001, Vol. 18

Issue (1): 65-67 DOI:

Original Articles

Sub-diffraction-Limit Voids in Bulk Quartz Induced by Femtosecond Laser Pulses

WANG Dan-Ling;LI Cheng-De;LUO Le;YANG Hong;GONG Qi-Huang

National Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871

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WANG Dan-Ling, LI Cheng-De, LUO Le et al 2001 Chin. Phys. Lett. 18 65-67

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Abstract When a powerful femtosecond laser pulse was tightly focused into a bulk quartz, plasma generation occurred only in a very small focal volume. This extremely confined interaction led to an explosive expansion and generated a sub-micrometre void with a diameter as small as 200-300nm. The dependence of the size of the void on the laser energy or pulse duration was investigated and the mechanism of this process was associated dominantly with the multiphoton ionization.

Keywords: 42.65.-k 42.70.Ce

Published: 01 January 2001

PACS:	42.65.-k	(Nonlinear optics)
	42.70.Ce	(Glasses, quartz)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I1/065

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	WANG Dan-Ling
	LI Cheng-De
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	GONG Qi-Huang

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