Chirped-pulse amplification of 55-fs pulses at a 1-kHz repetition rate in a Ti:Al_2O_3 regenerative amplifier

Rudd, J. V.; Korn, G.; Kane, Steve; Squier, Jeff; Mourou, G.; Bado, Philippe

doi:10.1364/ol.18.002044

Cited by 94 publications

(31 citation statements)

References 16 publications

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“…These experiments had a significant impact and the research in this field was rapidly expanded in the 1990s. In addition, development of the chirped-pulse amplification technique in Ti:sapphire regenerative amplifiers, 3 which emit energetic femtosecond pulses without inducing damage or undesirable nonlinear effects in the amplification medium, further accelerated fundamental research on ultrafast laser processing. One important feature of ultrafast laser processing is that it reduces heat diffusion to surrounding regions of the processed area.…”

Section: Introductionmentioning

confidence: 99%

Ultrafast lasers—reliable tools for advanced materials processing

2014

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The unique characteristics of ultrafast lasers, such as picosecond and femtosecond lasers, have opened up new avenues in materials processing that employ ultrashort pulse widths and extremely high peak intensities. Thus, ultrafast lasers are currently used widely for both fundamental research and practical applications. This review describes the characteristics of ultrafast laser processing and the recent advancements and applications of both surface and volume processing. Surface processing includes micromachining, microand nanostructuring, and nanoablation, while volume processing includes two-photon polymerization and three-dimensional (3D) processing within transparent materials. Commercial and industrial applications of ultrafast laser processing are also introduced, and a summary of the technology with future outlooks are also given.

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Section: Introductionmentioning

confidence: 99%

Ultrafast lasers—reliable tools for advanced materials processing

2014

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“…The arrangement in Figure 9(a) is often used at 1 kHz. 34 Briefly, a single vertically polarized pulse from the oscillator, stretched to ¾100 ps, is injected into the amplifier using a fast-switching PC. This is performed by stepping the voltage in two stages, first by a quarter wave, in order to trap the pulse in the amplifier cavity, and then up to a half wave for ejection.…”

Section: Chirped-pulse Amplificationmentioning

confidence: 99%

Ultrafast Laser Technology and Spectroscopy

Reid

Wynne

2000

Encyclopedia of Analytical Chemistry

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Ultrafast laser technology and spectroscopy involves the use of femtosecond (10 −15 s) laser and other (particle) sources to study the properties of matter. The extremely short pulse duration allows one to create, detect and study very short‐lived transient chemical reaction intermediates and transition states. Ultrafast lasers can also be used to produce laser pulses with enormous peak powers and power densities. This leads to applications such as laser machining and ablation, generation of electromagnetic radiation at unusual wavelengths (such as millimeter waves and X‐rays), and multiphoton imaging. The difficulty in applying femtosecond laser pulses is that the broad frequency spectrum can lead to temporal broadening of the pulse on propagation through the experimental set‐up. In this article, we describe the generation and amplification of femtosecond laser pulses and the various techniques that have been developed to characterize and manipulate the pulses.

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“…With a "negative" grating separation, the expansion . e, , = 1 -4f The design of FigIV.3 can be slightly improved if reflective instead of transmitive optics are used [66]. This avoids lens aberrations.…”

Section: Iv22 Grating Stretchermentioning

confidence: 99%

Regenerative amplification of femtosecond pulses: Design and construction of a sub-100fs, {mu}J laser system

Schumacher¹

1996

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Chirped-pulse amplification of 55-fs pulses at a 1-kHz repetition rate in a Ti:Al_2O_3 regenerative amplifier

Cited by 94 publications

References 16 publications

Ultrafast lasers—reliable tools for advanced materials processing

Ultrafast lasers—reliable tools for advanced materials processing

Ultrafast Laser Technology and Spectroscopy

Regenerative amplification of femtosecond pulses: Design and construction of a sub-100fs, {mu}J laser system

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