SYMPOSIA PAPER Published: 01 January 1988

The Mechanism of Prebreakdown Nonlinear Energy Deposition From Intense Photon Fields at 532 nm in NaCl


We present direct experimental evidence that significant amounts of energy can be deposited in NaCl by short laser pulses of 532 nm wavelength without electron avalanche formation. The mechanism is four-photon free carrier generation and free carrier absorption with contributions by self-trapped holes. We also report the first reliable measurements of four-photon absorption cross sections in any wide-gap ionic solid.

Author Information

Jones, SC
Shen, XA
Braunlich, PF
Kelly, P
Epifanov, AS
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Developed by Committee: F01
Pages: 621–633
DOI: 10.1520/STP18600S
ISBN-EB: 978-0-8031-5032-4
ISBN-13: 978-0-8031-4477-4