Pushing the boundaries of diode-pumped solid-state lasers for high-energy applications

Banerjee, Saumyabrata; Mason, Paul; Phillips, Jonathan; Smith, Joanna; Butcher, Thomas; Spear, Jacob; Vido, Mariastefania De; Quinn, Gary; Clarke, Danielle; Ertel, Klaus; Hernandez‐Gomez, C.; Edwards, Chris; Collier, J.

doi:10.1017/hpl.2020.20

Cited by 22 publications

(7 citation statements)

References 7 publications

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“…120 In addition, a CLF-developed high-power laser (D100X; 100 J, 10 Hz) is (at the time of writing) being installed at EuXFEL, where it will be used for pump-probe experiments related to high-energy density matter. 121 CompactLight: the CompactLight project has the aim of utilizing cutting-edge understanding of accelerator developments to design the next generation of hard X-ray FEL facilities. 122 In addition to having a smaller physical footprint, such a machine will have a lower power demand than current operational FELs.…”

Section: Euxfel and Compactlightmentioning

confidence: 99%

The origins and development of free-electron lasers in the UK

Seddon

Poole

2023

Notes Rec.

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This review article covers close to 45 years of free-electron laser (FEL) activity in the UK from the mid 1970s until 2022. Technical details of the projects are given together with personal insights provided by those who worked on specific projects. Both funded and unfunded projects are included to highlight the breadth of ideas generated over the years; this approach also clearly reveals the evolution in FEL activities from the early imperative to reproduce and understand first results at long wavelength towards the development of ever-higher-quality FEL output at very short wavelengths. Also included are the longer-term and broader benefits of the early projects. One aspect of this is the many years of UK experience in the design, operation and use of FEL facilities (in the UK and abroad) which reveal the wider value, financial and intellectual, of much of the work that has been undertaken and that is often not apparent. Continuous development of the UK technological base in this area has led to innovative contributions on a global scale and considerable financial return.

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Section: Euxfel and Compactlightmentioning

confidence: 99%

The origins and development of free-electron lasers in the UK

Seddon

Poole

2023

Notes Rec.

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“…A second laser is currently being commissioned at the Euro-XFEL facility, Hamburg, Germany [295] . Recent advances have demonstrated 150 J pulse energy output at 1 Hz [296] , a world record for diodepumped technology, and stable 10 Hz operation of 77% conversion efficiency for frequency doubling using a type-I phase-matched lithium triborate crystal [297] .…”

Section: The Laser Programmesmentioning

confidence: 99%

A history of high-power laser research and development in the United Kingdom

Danson

White

Barr

et al. 2021

High Pow Laser Sci Eng

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The first demonstration of laser action in ruby was made in 1960 by T. H. Maiman of Hughes Research Laboratories, USA. Many laboratories worldwide began the search for lasers using different materials, operating at different wavelengths. In the UK, academia, industry and the central laboratories took up the challenge from the earliest days to develop these systems for a broad range of applications. This historical review looks at the contribution the UK has made to the advancement of the technology, the development of systems and components and their exploitation over the last 60 years.

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“…The lack of affordable laser sources is slowing down the penetration of optoacoustics imaging techniques into the clinical practice. In the last decades high power laser diodes (HPLDs) have been developed for industries applications like printing or processing of materials [7], LIDAR (Light Detection and Ranging) applications [8] and pumping of solid state lasers [9]. These lasers are much more affordable, more compact and with free maintenance.…”

Section: Introductionmentioning

confidence: 99%

Experimental studies of high power diode lasers under high current short pulses for optoacoustics biomedical imaging

Rodas¹,

Gallego²,

Lamela³

2023

Photons Plus Ultrasound: Imaging and Sensing 2023

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High Power Diode Laser (HPDLs) can potentially be more suitable laser sources for commercial implementation of short pulse application such as optoacoustic biomedical imaging, compared to the commonly used solid state lasers due to their lower cost, compact size and higher repetition rate. However, the commercially available HPDLs are designed and characterized to operate with much longer pulse durations and lower peak powers compared to what usually is required in optoacoustics applications. In this paper, we study the operation of the HPDL devices, out of the manufacturer datasheet ratings at high current (< 40A) and short pulses (< 100ns). Two short pulse, high current drivers have been used to control the HPLDs. We have obtained optical peak powers of 257 W and energies per pulse of 5.2 µJ at 20 ns optical pulse duration with a single HPDL chip and using a four HPDL chips array, we have achieved optical peak powers of 750 W and energies per pulse of 31.2 µJ at 40 ns optical pulse duration. This new operating regimen improves the performance of HPDL for optoacoustic biomedical imaging techniques.

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Pushing the boundaries of diode-pumped solid-state lasers for high-energy applications

Abstract: We report on the successful demonstration of a 150 J nanosecond pulsed cryogenic gas cooled, diode-pumped multi-slab Yb:YAG laser operating at 1 Hz. To the best of our knowledge, this is the highest energy ever recorded for a diode-pumped laser system.

Cited by 22 publications

References 7 publications

The origins and development of free-electron lasers in the UK

The origins and development of free-electron lasers in the UK

A history of high-power laser research and development in the United Kingdom

Experimental studies of high power diode lasers under high current short pulses for optoacoustics biomedical imaging

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