Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

Mark Wiggins; Merijn Reijnders; Salima Saleh Abu-Azoum; Kerri Hart; Gregor H. Welsh; Riju Issac; David Jones; Dino Jaroszynski

doi:10.1063/1.3640410

Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

Mark Wiggins, Merijn Reijnders, Salima Saleh Abu-Azoum, Kerri Hart, Gregor H. Welsh, Riju Issac, David Jones, Dino Jaroszynski

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

9 Citations (Scopus)

245 Downloads (Pure)

Abstract

Gas-filled capillary discharge waveguides are important structures in laser-plasma interaction applications, such as the laser wakefield accelerator. We present the methodology for applying femtosecond laser micromachining in the production of capillary channels (typically 200–300 μm in diameter and 30–40 mm in length), including the formalism for capillaries with a linearly tapered diameter. The latter is demonstrated to possess a smooth variation in diameter along the length of the capillary (tunable with the micromachining trajectories). This would lead to a longitudinal plasma density gradient in the waveguide that may dramatically improve the laser-plasma interaction efficiency in applications.

Original language	English
Article number	096104
Number of pages	3
Journal	Review of Scientific Instruments
Volume	82
Issue number	9
DOIs	https://doi.org/10.1063/1.3640410
Publication status	Published - 21 Sept 2011

Keywords

high speed optical techniques
laser beam machining
plasma density
optical waveguides

Access to Document

10.1063/1.3640410

Wiggins-rsi11Final published version, 280 KBLicence: Unspecified

Cite this

@article{21148fc989eb42de9101513a83a0ddf5,

title = "Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides",

abstract = "Gas-filled capillary discharge waveguides are important structures in laser-plasma interaction applications, such as the laser wakefield accelerator. We present the methodology for applying femtosecond laser micromachining in the production of capillary channels (typically 200–300 μm in diameter and 30–40 mm in length), including the formalism for capillaries with a linearly tapered diameter. The latter is demonstrated to possess a smooth variation in diameter along the length of the capillary (tunable with the micromachining trajectories). This would lead to a longitudinal plasma density gradient in the waveguide that may dramatically improve the laser-plasma interaction efficiency in applications.",

keywords = "high speed optical techniques, laser beam machining, plasma density, optical waveguides",

author = "Mark Wiggins and Merijn Reijnders and Abu-Azoum, {Salima Saleh} and Kerri Hart and Welsh, {Gregor H.} and Riju Issac and David Jones and Dino Jaroszynski",

year = "2011",

month = sep,

day = "21",

doi = "10.1063/1.3640410",

language = "English",

volume = "82",

journal = "Review of Scientific Instruments",

issn = "0034-6748",

publisher = "American Institute of Physics Publising LLC",

number = "9",

}

TY - JOUR

T1 - Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

AU - Wiggins, Mark

AU - Reijnders, Merijn

AU - Abu-Azoum, Salima Saleh

AU - Hart, Kerri

AU - Welsh, Gregor H.

AU - Issac, Riju

AU - Jones, David

AU - Jaroszynski, Dino

PY - 2011/9/21

Y1 - 2011/9/21

N2 - Gas-filled capillary discharge waveguides are important structures in laser-plasma interaction applications, such as the laser wakefield accelerator. We present the methodology for applying femtosecond laser micromachining in the production of capillary channels (typically 200–300 μm in diameter and 30–40 mm in length), including the formalism for capillaries with a linearly tapered diameter. The latter is demonstrated to possess a smooth variation in diameter along the length of the capillary (tunable with the micromachining trajectories). This would lead to a longitudinal plasma density gradient in the waveguide that may dramatically improve the laser-plasma interaction efficiency in applications.

AB - Gas-filled capillary discharge waveguides are important structures in laser-plasma interaction applications, such as the laser wakefield accelerator. We present the methodology for applying femtosecond laser micromachining in the production of capillary channels (typically 200–300 μm in diameter and 30–40 mm in length), including the formalism for capillaries with a linearly tapered diameter. The latter is demonstrated to possess a smooth variation in diameter along the length of the capillary (tunable with the micromachining trajectories). This would lead to a longitudinal plasma density gradient in the waveguide that may dramatically improve the laser-plasma interaction efficiency in applications.

KW - high speed optical techniques

KW - laser beam machining

KW - plasma density

KW - optical waveguides

UR - http://www.scopus.com/inward/record.url?scp=80053474361&partnerID=8YFLogxK

U2 - 10.1063/1.3640410

DO - 10.1063/1.3640410

M3 - Article

SN - 0034-6748

VL - 82

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

IS - 9

M1 - 096104

ER -

Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

LaserLab Europe - The Integrated Initiative of European Laser Research Infrastructures II (FP7 Research Infrastructures)

Extreme light infrastructure (ELI)

HARNESSING LASER-DRIVEN PLASMA WAVES AS PARTICLE AND RADIATION SOURCES

Cite this

Note: femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Projects

LaserLab Europe - The Integrated Initiative of European Laser Research Infrastructures II (FP7 Research Infrastructures)

Extreme light infrastructure (ELI)

HARNESSING LASER-DRIVEN PLASMA WAVES AS PARTICLE AND RADIATION SOURCES

Cite this