If you made any changes in Pure these will be visible here soon.

Personal profile

Biography

Daniel Esser was born in Johannesburg, South Africa, on February 22, 1978.  He obtained is Doctorate of Engineering in Photonics from Heriot-Watt University in Edinburgh end of 2010 while working full-time at the CSIR National Laser Centre since 2004.  He joined Heriot-Watt in 2013 as Professor in Laser Device Physics and Engineering. He is married to Professor Irene‑marie Esser and they have two sons.

Research interests

Prof Esser has achieved excellent research accomplishments through his focussed research on diode-pumped solid-state lasers and has produced journal papers and invited international conference papers, many of which have been cited by international researchers. His research background include key demonstrations of Nd-doped systems for 1 µm operation (Nd:YLF and Nd:YVO4), Tm-doped systems at 1.9 µm (Tm:YLF, Tm:GdVO4) and Ho-doped lasers and amplifiers for high energy 2 µm operation (Ho:YLF, Ho:LuLF). These lasers could be applied to defence, remote sensing and industrial processes. In addition to his publication outputs, he was also co-author and principle investigator for a number of technology demonstrators developed during industry-focussed research projects.

Prof Esser is Principle Investigator for one of the core projects of the EPSRC Centre for Innovative Manufacturing in Laser-based Production Processes. The project is entitled “High energy amplifiers for ultrafast lasers” and is supported by the industrial collaborator Rofin-Sinar UK. This project is part of the research theme of high average power ultra-fast laser technologies that investigates the technologies underpinning the development of new commercial ultra-fast pulse lasers at high (kW) average powers with spectral outputs in the IR, visible and UV. The focus is on device architectures which allow power scaling to the kW range for trains of laser pulses with durations in the range 0.5 ps to 10 ps. Research include the integration of new ultra-fast pulse laser oscillators, aiming for high stability and to minimise component count and laser footprint.  Power amplification strategies are evaluated, including modern gain medium structures. High power multi-bar diode laser pump strategies with novel techniques for beam combining with maintained beam brightness are investigated as laser amplifier pump sources. Particular attention is devoted to design and fabrication techniques to minimise manufacturing costs and maximise system efficiency.

Another research theme pursued by Prof Esser is new materials and architectures for mid-infrared solid-state lasers, which aims to address the latest developments of solid-state laser systems operating in the mid-infrared wavelength range (from 2 µm to 8 µm). The emphasis is on demonstrating outstanding performance in terms of power and energy scaling, as well as high-efficiency systems which could find application in various industries. New host materials for Tm- and Ho-doped lasers operating at 2 µm are being investigated. The latest high-brightness laser diode technology is utilised as pump sources, as well as highly-customised beam correcting optics to demonstrate high-efficiency 2 µm laser systems. Conversion techniques, based on modern non-linear crystals and other device architectures, could be used to convert further into the infrared. The experimental research is underpinned by mathematical modelling and simulation of the required laser device physics, which is also applicable to a wider range of laser systems.

With support from our core industry partners SELEX-ES and Rofin-Sinar UK Ltd, PhD studentships and Post-Doctoral Research Associate positions will be made available within these research themes.

Prof Daniel Esser has a relentless passion to see new technological developments in diode-pumped solid-state lasers to be adopted by industry.

Roles & Responsibilities

Prof Esser is member of the Management Group of the EPSRC Centre for Innovative Manufacturing in Laser-based Production Processes and is responsible for promoting Laser Technology.

Prof Esser is a proud member of the Global Young Academy, the “Voice of Young Scientist around the World”.

Keywords

  • QC Physics
  • laser
  • photonics
  • laser development
  • optics
  • Manufacturing
  • Production Processes

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

  • 7 Similar Profiles
laser welding Physics & Astronomy
YLF lasers Physics & Astronomy
lasers Physics & Astronomy
pumps Physics & Astronomy
preparation Physics & Astronomy
welding Physics & Astronomy
Lasers Engineering & Materials Science
pulses Physics & Astronomy

Co Author Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 2008 2018

Comparative study of high power Tm:YLF and Tm:LLF slab lasers

Berrou, A., Morris, D., Collett, O. J. & Esser, M. J. D., 27 Mar 2018, Mid-Infrared Coherent Sources 2018. MM2C.4

Research output: Chapter in Book/Report/Conference proceedingConference contribution

slabs
pumps
continuous radiation
lasers
brightness

Comparative study of high power Tm:YLF and Tm:LLF slab lasers in continuous wave regime

Berrou, A., Collett, O. J. P., Morris, D. & Esser, M. J. D., 16 Apr 2018, In : Optics Express. 26, 8, p. 10559-10572 14 p.

Research output: Contribution to journalArticle

Open Access
File
continuous radiation
slabs
pumps
lasers
reflectance

Correction of turbulence-induced aberration by modelling the atmosphere as a multimode coupler

Reilly, M. E., Flemming, B. K. & Esser, M. J. D., 9 Oct 2018, Technologies for Optical Countermeasures XV. Titterton, D. H., Grasso, R. J. & Richardson, M. A. (eds.). SPIE, 107970C. (Proceedings of SPIE; vol. 10797)

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Coupler
Aberrations
Aberration
couplers
Atmosphere

Power scaling end-pumped slab lasers: Comparison of Tm:YLF and Tm:LuLF

Berrou, A., Morris, D., Collett, O. J. P. & Esser, M. J. D., 2018, CLEO: Science and Innovations 2018. Optical Society of America, SM3N.1

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pumps
Lasers
Luminance
Diodes

Towards industrial application of ultrafast laser microwelding

Carter, R., Morawska, P., Polyzos, D., Hann, S., Esser, M. J. D. & Hand, D. P., Jun 2018

Research output: Contribution to conferenceAbstract

File
laser welding
cleanliness
preparation
welding
adhesives

Datasets

Dataset for Comparative study of high power Tm:YLF and Tm:LLF slab lasers in continuous wave regime

Esser, M. J. D. (Creator), Berrou, A. (Creator), Collett, O. J. P. (Creator), Morris, D. (Creator), Heriot-Watt University, 2018

Dataset

Towards industrial ultrafast laser microwelding: SiO2 and BK7 to an Aluminium Alloy - Data

Carter, R. (Creator), Troughton, M. (Creator), Chen, J. (Creator), Elder, I. (Creator), Thomson, R. R. (Creator), Esser, M. J. D. (Creator), Lamb, R. A. (Creator), Hand, D. P. (Creator), Heriot-Watt University, 2017

Dataset

Activities 2012 2015

  • 2 Membership of committee

23rd International Conference on Computer-Aided Production Engineering (Event)

Esser, M. J. D. (Member)
Apr 20154 Nov 2015

Activity: MembershipMembership of committee

Global Young Academy (External organisation)

Esser, M. J. D. (Member)
2012 → …

Activity: MembershipMembership of committee