Boron Nitride plasma micro lens for high intensity laser pre-pulse suppression

Y. Katzir; Y. Ferber; J. R. Penano; R. F. Hubbard; P. Sprangle; A. Zigler

doi:10.1364/OE.21.005077

Boron Nitride plasma micro lens for high intensity laser pre-pulse suppression

Y. Katzir^*, Y. Ferber, J. R. Penano, R. F. Hubbard, P. Sprangle, A. Zigler

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

We demonstrate that amplified spontaneous emission (ASE) and pre-pulses for high power lasers can be suppressed by propagating the pulse through a boron nitride plasma microlens. The microlens is created by ablating a boron-nitride (BN) disk with a central hole using an Nd:YAG laser. The plasma lens produced in the ablation process exhibits different focal lengths for the high intensity main pulse and low intensity pre-pulse that increases the main pulse/pre-pulse contrast ratio by one order of magnitude while maintaining high transmittance of the pulse energy.

Original language	English
Pages (from-to)	5077-5085
Number of pages	9
Journal	Optics Express
Volume	21
Issue number	4
DOIs	https://doi.org/10.1364/OE.21.005077
State	Published - 25 Feb 2013

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abstract = "We demonstrate that amplified spontaneous emission (ASE) and pre-pulses for high power lasers can be suppressed by propagating the pulse through a boron nitride plasma microlens. The microlens is created by ablating a boron-nitride (BN) disk with a central hole using an Nd:YAG laser. The plasma lens produced in the ablation process exhibits different focal lengths for the high intensity main pulse and low intensity pre-pulse that increases the main pulse/pre-pulse contrast ratio by one order of magnitude while maintaining high transmittance of the pulse energy.",

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AU - Hubbard, R. F.

AU - Sprangle, P.

AU - Zigler, A.

PY - 2013/2/25

Y1 - 2013/2/25

N2 - We demonstrate that amplified spontaneous emission (ASE) and pre-pulses for high power lasers can be suppressed by propagating the pulse through a boron nitride plasma microlens. The microlens is created by ablating a boron-nitride (BN) disk with a central hole using an Nd:YAG laser. The plasma lens produced in the ablation process exhibits different focal lengths for the high intensity main pulse and low intensity pre-pulse that increases the main pulse/pre-pulse contrast ratio by one order of magnitude while maintaining high transmittance of the pulse energy.

AB - We demonstrate that amplified spontaneous emission (ASE) and pre-pulses for high power lasers can be suppressed by propagating the pulse through a boron nitride plasma microlens. The microlens is created by ablating a boron-nitride (BN) disk with a central hole using an Nd:YAG laser. The plasma lens produced in the ablation process exhibits different focal lengths for the high intensity main pulse and low intensity pre-pulse that increases the main pulse/pre-pulse contrast ratio by one order of magnitude while maintaining high transmittance of the pulse energy.

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Boron Nitride plasma micro lens for high intensity laser pre-pulse suppression

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