Designer pulses for precise machining of silicon -a step towards photonic compositions
Designer pulses for precise machining of silicon -a step towards photonic compositions
The past decade has seen the introduction of high performance short-pulse systems such as fiber and disk lasers with repetition rates in the several hundred-kHz range. These have provided the user with a wide range of interaction parameters to chose from. The availability of high speed optical imaging techniques has also provided the opportunity to explore high-speed laser matter interactions in greater detail. In this paper we demonstrate a single pulse study of a decaying tail in the pulse envelope using "unfilled" and "energy filled" pulses. We demonstrate a Pulsed digital holography (PDH) system used to study the shock wave dynamics, laser induced plasma and energy deposition efficiencies of single and multipulse interactions of 200 ns shaped laser pulses, with a temporal resolution of <10 ns. Finally, we demonstrate novel designer pulses that show improved material response and increased penetration depth at a fraction of the energetic cost of conventional pulses.
Pangovski, K.
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O'Neill, W.
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Teh, P.S.
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Alam, S.
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Richardson, D.J.
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Demir, A.G.
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2012
Pangovski, K.
a878311f-44ed-4a29-bedd-d3486fd82e42
O'Neill, W.
5e56926d-286d-41aa-8f2c-a8e44f822132
Teh, P.S.
ec22f853-00e2-42a7-9e68-8b1c5eee1271
Alam, S.
2b6bdbe5-ddcc-4a88-9057-299360b93435
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Demir, A.G.
709681b9-b75a-41f6-94f5-1c6c173d0f25
Pangovski, K., O'Neill, W., Teh, P.S., Alam, S., Richardson, D.J. and Demir, A.G.
(2012)
Designer pulses for precise machining of silicon -a step towards photonic compositions.
31st International Congress on Applications of Lasers and Electro-Optics (ICALEO 2012), , Anaheim, CA.
23 - 27 Sep 2012.
(doi:10.2351/1.5062576).
Record type:
Conference or Workshop Item
(Paper)
Abstract
The past decade has seen the introduction of high performance short-pulse systems such as fiber and disk lasers with repetition rates in the several hundred-kHz range. These have provided the user with a wide range of interaction parameters to chose from. The availability of high speed optical imaging techniques has also provided the opportunity to explore high-speed laser matter interactions in greater detail. In this paper we demonstrate a single pulse study of a decaying tail in the pulse envelope using "unfilled" and "energy filled" pulses. We demonstrate a Pulsed digital holography (PDH) system used to study the shock wave dynamics, laser induced plasma and energy deposition efficiencies of single and multipulse interactions of 200 ns shaped laser pulses, with a temporal resolution of <10 ns. Finally, we demonstrate novel designer pulses that show improved material response and increased penetration depth at a fraction of the energetic cost of conventional pulses.
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Published date: 2012
Venue - Dates:
31st International Congress on Applications of Lasers and Electro-Optics (ICALEO 2012), , Anaheim, CA, 2012-09-23 - 2012-09-27
Identifiers
Local EPrints ID: 441123
URI: http://eprints.soton.ac.uk/id/eprint/441123
PURE UUID: c2f9c3fd-ee50-4fee-b627-309a6f5ee8cd
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Date deposited: 02 Jun 2020 16:30
Last modified: 17 Mar 2024 02:36
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Contributors
Author:
K. Pangovski
Author:
W. O'Neill
Author:
P.S. Teh
Author:
S. Alam
Author:
A.G. Demir
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