Laser Technology Group

Head of Research:  Dr. Dawei Liang (Associate Professor)

 

Our solar-pumped lasers laboratory was established to largely enhance both the collection efficiency and beam quality of present-day solar-pumped lasers, resulting in the following research highlights:

 

A significant advance in solar laser collection efficiency was achieved by our team in PROMES-CNRS in (2012)

CSP TODAY  http://social.csptoday.com/technology/sfera-flushes-out-groundbreaking-csp-research 

 

Our research "Design of ultrahigh brightness solar-pumped disk laser" was selected by

 

Spotlight on Optics Sept.14, (2012), The Optical Society of America. 

 

http://www.opticsinfobase.org/spotlight/summary.cfm?uri=ao-51-26-6382

  

 

 

Our  research on the first TEM00 solar-pumped laser was reported by Senior Editor Gail Overton in World News:"Novel Lasers: Solar-Pumped Nd:YAG Lasers Getting Brighter" 

 

Laser Focus World, Dec. 9, (2013)

http://www.laserfocusworld.com/articles/print/volume-49/issue-12/world-news/novel-lasers-solar-pumped-nd-yag-lasers-getting-brighter.htm 

 

Our research article "A 40 W cw Nd:YAG solar laser pumped through a heliostat: a parabolic mirror system" was highlighted by Laser Physics in (2013)

Laser Physics,  Highlights of  2013

http://iopscience.iop.org/journal/1555-6611/page/Highlights-of-2013 

 

Our research"Side-pumped continuous-wave Cr:Nd:YAG ceramic solar laser" was selected as a Key Scientific Article contributing to excellence in energy research 

Renewable Energy Global Innovations, Feb. 27, (2014)
 

 

Advances in high efficiency solar-powered laser 

Prezi Presentation Jan. 9, (2014)  by C Byers highlihted our solar laser researches

http://prezi.com/lr95vsblpt4y/advances-in-high-efficiency-solar-powered-lasers/ 

 

The Next Big Future,  09-10-(2014) highlighted our solar laser researches

Towards Megawatt Solar Powered Lasers for Magnesium Production and future space applications

http://nextbigfuture.com/2014/10/solar-powered-lasers-for-magnesium.html

  

"Most efficient continuous-wave 1064nm solar laser emission within a laboratory"

Key Scientific Article contributing to excellence in energy research

Renewable Energy Global Innovations, Oct. 13, (2016)

https://renewableenergyglobalinnovations.blogspot.com/search?q=solar+laser

 
NEWS BREAKS:”1064nm solar laser achieves record power output and efficiency” our most efficient 1064nm solar laser was reported by Senior Editor Gail Overton
Laser Focus World,  Dec. pp.7 (2016)

Media Report of our solar laser laboratory, 2018

SIC Notícias   Oct. 30, 2018 (63100 Views, one of the highest nnumber of views from SIC noícias videos)

https://www.facebook.com/sicnoticias/videos/316129865843740/

REN   https://www.ren.pt/pt-PT/media/comunicados/detalhe/laser_para_captacao_de_energia_do_sol_premio_ren_

e_expresso_dao_a_conhecer_exemplos_de_inovacao_nas_universidades_portuguesas/

 

EXPRESSO: Prioridade: eficiência energética (10 VÍDEOS QUE NÃO PODE PERDERE se, em vez de usarmos painéis solares, pudéssemos ter um laser no espaço a captar a energia do Sol e a enviá-la para a Terra? É a proposta dos investigadores da FCT Nova.” Nov. 20, 2018

https://expresso.pt/economia/2018-11-20-Prioridade-eficiencia-energetica

 

1,756FOLLOWERS
AfricanPhysics
@AfricanPhysics

 

Side-pumped continuous-wave Nd:YAG solar laser with 5.4% slope efficiency https://t.co/WW0sRjmBnW via @ElsevierPhysics https://t.co/i4gv6V23vF

Featured content of Journal of Photonics for Energy, 2019

Joana Almeida, Dawei Liang, Bruno D. Tibúrcio, Dário Garcia, Cláudia R. Vistas, Numerical modeling

of a four-rod pumping scheme for improving TEM00-mode solar laser performance,J. Photon.

Energy 9(1), 018001 (2019)

https://www.spiedigitallibrary.org/journals/journal-of-photonics-for-energy

 

TWITTER by African Physics,  May 10 2019

Homogenization and penetration effects of 1064 nm Nd:YAG solar laser and concentrated solar radiations on ex vivo chicken breast samples http://j.mp/2Yu0am7  via @AIP_Publishing

https://twitter.com/AfricanPhysics/status/1127257754945687552

 

Featured content of Journal of Photonics for Energy, 2019

Bruno Tibúrcio, Dawei Liang, Joana Almeida, Dárico Garcia, Cláudia R. Vistas, “Dual-rod pumping approach for tracking error compensation in solar-pumped lasers” J. Photon. Energy 9(2), 028001 (2019)

https://www.spiedigitallibrary.org/journals/journal-of-photonics-for-energy

 

Cover page of Journal of Photonics for Energy,   July-September, 2020

Joana Almeida, Dawei Liang, Hugo Costa, Dário Garcia, Bruno D. Tibúrcio, Miguel Catela, Cláudia R. Vistas

Seven-rod pumping concept for simultaneous emission of seven TEM00-mode solar laser beams

https://www.spiedigitallibrary.org/journals/journal-of-photonics-for-energy?SSO=1

 

SPIE
 
@SPIEtweets
·

12 de set de 2020

 
 
Renewable #laser sources with #solarenergy! Researchers

developed up-scale 7-rod model with an improved beam quality, #justpublished in #SPIE's Journal of #Photonics for #Energy: https://bit.ly/33ohsFd #renewables

 

Featured content of Journal of Photonics for Energy, 2021

Cláudia R. Vistas, Dawei Liang, Joana Almeida, Bruno D. Tibúrcio, Dário Garcia, Miguel Catela,
Hugo Costa, Emmanuel Guillot, "Ce:Nd:YAG side-pumped solar laser," J. Photon. Energy 11(1) 018001 (19 January 2021)

https://www.spiedigitallibrary.org/journals/journal-of-photonics-for-energy

 

 

Antena 1  "90 s de Ciência" 2021

 

https://www.90segundosdeciencia.pt/episodes/ep-1049-joana-almeida/?fbclid=IwAR0Q-nD38d-L24GoEPFWlqpvWxnxEqAYthwMW8WNlDqugIh12tK98CI0z9U

 

 

 

Contact:

Prof. Dawei Liang         dl@fct.unl.pt  

https://www.df.fct.unl.pt/noticias/2020/10/estudo-desenvolvido-pelo-grupo-de-tecnologia-laser-do-cefitec-do-departamento-de-fisica-da-fct-unive

https://www.facebook.com/sicnoticias/videos/316129865843740/

http://www.fct.unl.pt/noticias/2016/12/resultados-de-investigacao-com-laser-solar-destacados-pelo-laser-focus-world#.WFgE3hTPN38.facebook

http://www.fct.unl.pt/noticias/2016/10/laser-solar-mais-eficiente-do-mundo-esta-na-fct-nova

http://www.fct.unl.pt/noticias/2015/11/professor-dawei-liang-homenageado-pelo-jornal-solar-energy-materials-and-solar-cells

http://www.fct.unl.pt/noticias/2015/07/professor-dawei-liang-do-departamento-de-fisica-homenageado-pela-optics-and-laser-technology

http://www.fct.unl.pt/noticias/2014/02/publicacao-de-investigadores-do-laboratorio-de-laser-solar-da-fct-unl-destacada-pela-renewable-energ

http://www.fct.unl.pt/noticias/2013/12/editor-de-revista-importante-na-area-dos-lasers-distingue-trabalho-de-investigadores-portugueses

http://www.fct.unl.pt/noticias/2012/09/cefitec-fct-unl-na-vanguarda-do-desenvolvimento-de-laser-bombeado-por-luz-solar