Publications

1. Dawei Liang, Joana Almeida, Dário Garcia, Bruno D.Tibúrcio, Emmanuel Guillot and Cláudia R. Vistas

Simultaneous solar laser emissions from three Nd:YAG rods within a single pump cavity

 SOL. ENERGY  199 (2020) 192-197. (IF4.67)

 https://www.sciencedirect.com/science/article/pii/S0038092X2030133X?v 

 

1.    2. Bruno D Tíbúrcio, Dawei Liang, Dário Garcia, Joana Almeida, Cláudia R. Vistas and Paulo Morais

        Highly efficient side-pumped solar laser with enhanced tracking-error compensation capacity

OPT. COMMUN.  460 (2020), 125156  (IF 1.96)

https://doi.org/10.1016/j.optcom.2019.125156

 

3. Cláudia R. Vistas,  Dawei Liang, Dário Garcia, Joana Almeida, Bruno D. Tibúrcio and Emmanuel Guillot

Ce:Nd:YAG continuous-wave solar-pumped laser

OPTIK  Available nline 15 Nov. (2019)    (IF1.91)  

Available online 15, Nov. 2019, 163795.  (IF1.91)   

https://www.sciencedirect.com/science/article/pii/S0030402619316936

 

4. Dario Garcia, Dawei Liang, Bruno D. Tibúrcio, Joana Almeida and Cláudia R. Vistas

A three-dimensional ring-array concentrator solar furnace 

SOL. ENERGY   193, (2019),  pp.915-928  (IF4.67)   

https://www.sciencedirect.com/science/article/pii/S0038092X1931000X?dgcid=author

 

5. Bruno D. Tibúrcio, Dawei Liang, Joana Almeida, Dário Garcia and Cláudia R. Vistas

Dual-rod pumping approach for tracking error compensation in solar-pumped lasers

J. PHOTON. ENERGY   9 (2), 028001 (2019)  (IF 2.16)  (Featured content)

https://www.spiedigitallibrary.org/journals/Journal-of-Photonics-for-Energy/volume-9/issue-2/028001/Dual-rod-pumping-approach-for-tracking-error-compensation-in-solar/10.1117/1.JPE.9.028001.short?SSO=1

 

6. Bruno D. Tibúrcio, Dawei Liang, Joana Almeida, Dário Garcia and Cláudia R. Vistas

Dual-rod pumping concept for TEMoo-mode solar lasers

APPL. OPT.  (Vol.58,  Iss. 13, (2019)   pp. 3438-3446  (IF 1.97) 

https://www.osapublishing.org/ao/abstract.cfm?uri=ao-58-13-3438

 

7. Miguel Catela, Dawei Liang, Joana Almeida and Cláudia R. Vistas

Homogenization and penetration effects of 1064 nm Nd:YAG solar laser and concentrated solar radiations on ex vivo chicken breast samples

J. LASER APPL. (2019)     Vol. 31, Issue 2,  May-11, 2019   9pages  (IF 1.60)

https://lia.scitation.org/doi/10.2351/1.5088051

 

8. Cláudia R.Vistas, Dawei Liang, Joana Almeida, Bruno D. Tibúrcio, Dario Garcia

A doughnut-shaped Nd:YAG solar laser beam with 4.5 W/m2 collection efficiency

SOL. ENERGY   182, (2019) pp.42-47   (IF4.67)   

https://www.sciencedirect.com/science/article/pii/S0038092X19301562?dgcid=author

 

9. Joana Almeida, Dawei Liang, Bruno D. Tibúrcio, Dario Garcia and Cláudia R. Vistas

Numerical modelling of a four-rod pumping scheme for improving TEM00-mode solar laser performance

J. PHOTON. ENERGY  9 (1), 018001 (2019)  (IF 2.16) (Featured content)

https://www.spiedigitallibrary.org/journals/Journal-of-Photonics-for-Energy/volume-9/issue-1/018001/Numerical-modeling-of-a-four-rod-pumping-scheme-for-improving/10.1117/1.JPE.9.018001.short 

 

10. Dawei Liang, Cláudia R.Vistas, Joana Almeida, Bruno D.Tibúrcio and Dário Garcia

Side-pumped continuous-wave Nd:YAG solar laser with 5.4% slope efficiency

SOL. ENERGY  MAT. SOL. CELLS  192 (2019), pp.147-153   (IF 6.02)

https://www.sciencedirect.com/science/article/pii/S0927024818306032?dgcid=author

 

11. Dawei Liang, Cláudia R.Vistas, Bruno D.Tibúrcio and Joana Almeida

Solar-pumped Cr:Nd:YAG ceramic laser with 6.7% slope efficiency 

SOL. ENERGY  MAT. SOL. CELLS  185C (2018), pp 75-79.  (3 citations) (IF 6.02)

https://www.sciencedirect.com/science/article/pii/S0927024818302320

 

12. Zhe Guan,  Changming Zhao,  Haiyang Zhang,  Jinhua Li,  Dongbing He, Joana Almeida,  
Cláudia R. Vistas and  Dawei Liang 

 

5.04% system slope efficiency solar-pumped Nd:YAG laser by a heliostat-parabolic mirror system  

 

J. PHOTON. ENERGY  8(2), 027501 (2018)   (IF 2.16)

http://spie.org/publications/journal/10.1117/1.JPE.8.027501?SSO=1

 

13. Joana Almeida, Dawei Liang and Cláudia R. Vistas

A doughnut-shaped Nd:YAG solar laser beam 

OPT. LASER TECHNOL.  106 (2018) 1-6  (1 citation)   (IF 2.50)

https://www.sciencedirect.com/science/article/pii/S003039921731441X

 

.      14. Rodrigo Matos, Dawei Liang, Joana Almeida, Bruno D.Tibúrcio and Cláudia R.Vistas

High-efficiency solar laser pumping by a modified ring-array concentrator 

OPT. COMMUN. 420 (2018) pp, 6-13. (2 citations) ( IF 1.89)

https://www.sciencedirect.com/science/article/pii/S0030401818302062

  

15. Bruno D. Tibúrcio, Dawei Liang, Joana Almeida, Rodrigo Matos and Cláudia R. Vistas
Improving solar-pumped laser efficiency by a ring-array concentrator

J. PHOTON. ENERY  8(1), 018002 (2018). (IF 2.16)

http://spie.org/Publications/Journal/10.1117/1.JPE.8.018002?SSO=1

  

16. Said Mehellou, Dawei Liang, Joana Almeida, Rochdi Bouajmine, Claudia R.Vistas, Emmanuel Guillot and Ferhat Rehouma

Stable solar-pumped TEM00-mode 1064nm laser emission by a monolithic fused silica twisted light guide

SOL. ENERGY   Vol, 155, (2017) pp. 1059-1071 (6 citations)  (IF 4.37)

http://www.sciencedirect.com/science/article/pii/S0038092X17306333

 

17. Rochdi Bouajmine, Dawei Liang, Joana Almeida, Said Mehellou, Claudia R.Vistas, A. Kellou and Emmanuel Guillot

Stable TEM00-mode Nd:YAG solar laser operation by a twisted fused silica light-guide

OPT. LASER TECHNOL. Vol. 97, (2017), pp.1-11. (6 citations)  (IF 2.50)

http://www.sciencedirect.com/science/article/pii/S0030399216312877

 

18. Dawei Liang, Joana Almeida, Cláudia R.Vistas and Emmanuel Guillot 

Solar-pumped Nd:YAG laser with 31.5 W/mmultimode and 7.9 W/m2 TEM00-mode collection efficiencies

SOL. ENERGY  MAT. SOL. CELLS,  Vol. 159, (2017), pp. 435-439. (21 citations)  (IF 5.02)

http://www.sciencedirect.com/science/article/pii/S0927024816304056

 

19. 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)

http://digital.laserfocusworld.com/laserfocusworld/201612?sub_id=T2n5brVOAT8f&u1=DA1216&pg=9#pg9

 

20. Dawei Liang, Joana Almeida, Cláudia R.Vistas and Emmanuel Guillot 

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://reginnovations.org/key-scientific-articles/most-efficient-continuous-wave-1064nm-solar-laser-emission-laboratory/

 

21. Dawei Liang, Joana Almeida, Cláudia R. Vistas

25 W/m2 collection efficiency solar-pumped Nd:YAG laser with by heliostat-parabolic mirror system 

APPL. OPT.  Vol. 55, Iss. 27 (2016), pp 7712-7717. (7 citations)  (IF 1.65)

https://www.osapublishing.org/ao/abstract.cfm?uri=ao-55-27-7712

 

22. Mariana Oliveira, Dawei Liang, Joana Almeida, Cláudia R. Vistas, Filipe Gonçalves and  Rodrigo Martins

A path to renewable Mg reduction from MgO by a continuous-wave Cr:Nd:YAG ceramic solar laser

SOL. ENERGY  MAT. SOL. CELLS, 155 (2016), 430-435 (7 citations) (IF 4.78)

http://www.sciencedirect.com/science/article/pii/S0927024816302197

 

23. Cláudia R. Vistas,  Dawei Liang,  Joana Almeida  and Emmanuel Guillot

TEM00 mode Nd:YAG solar laser by side-pumping a grooved rod

OPT. COMMUN.  Vol.366 (2016), pp.50-56. (4 citations) (IF 1.59)

http://www.sciencedirect.com/science/article/pii/S0030401815303746

 

24. Dawei Liang, Joana Almeida, Cláudia R. Vistas, Mariana Oliveira, Filipe Gonçalves and Emmanuel Guillot 

High-efficiency solar-pumped TEM00-mode Nd:YAG laser

SOL. ENERGY  MAT. SOL. CELLS  Vol.145, (2016), pp. 397–402. (10 citations)  (IF 4.78)

http://www.sciencedirect.com/science/article/pii/S0927024815005577

 

25. Cláudia R. Vistas,  Dawei Liang  and Joana Almeida
Solar-pumped TEM00 mode laser simple design with a grooved Nd:YAG rod

SOL. ENERG. Vol. 122 (2015), pp 1325-1333 (5 citations)  (IF 3.68)

http://www.sciencedirect.com/science/article/pii/S0038092X15006027

 

26.  Joana Almeida,  Dawei Liang,  Cláudia.R.Vistas, Rochdi Bouadjemine and Emmanuel Guillot 

5.5W continuous-wave TEM00-mode Nd:YAG solar laser by a light guide/2V pump cavity

APPL. PHY. B. - Lasers and Optics  Vol. 121, pp 473-482 (2015)  (6 citations) (IF 1.78)

http://link.springer.com/article/10.1007/s00340-015-6257-z#/page-1

 

27. Joana Almeida, Dawei Liang, Cláudia.R.Vistas, and Emmanuel Guillot  

       Highly efficient end-side-pumped Nd:YAG solar laser by a heliostat-parabolic mirror  system

       APPL. OPT.   Vol. 54, Issue 8, pp. 1970-1977 (2015)  (13 citations)  (IF 1.60)

http://www.opticsinfobase.org/ao/upcoming_pdf.cfm?id=226456

 

28. Dawei Liang, Joana Almeida, Cláudia R.Vistas and Emmanuel Guillot

Solar-pumped TEM00 mode Nd:YAG laser by a heliostat-parabolic mirror system

 SOL. ENERGY  MAT. SOL. CELLS  134 (2015) pp. 305-308. (14 citaions) (IF 4.73)

 http://www.sciencedirect.com/science/article/pii/S092702481400662X 

 

29. Dawei Liang,  Joana Almeida and  Cláudia Vistas

Scalable pumping approach for extracting the maximum TEM00 solar laser power

APPL. OPT.  Vol. 53, Iss. 30, pp.7129-7137 (2014). (3 citations)  (IF 1.78)

http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-53-30-7129

 

30. Advances in high efficiency solar-powered laser "Solar-powered lasers for magnesium production" 

Our research details on solar-powered laser was highlighted by C. Byers in:

Prezi.com   Jan. 9, (2014)

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

 

31. Joana Almeida and Dawei Liang

Design of TEM00 mode side-pumped Nd:YAG solar laser

OPT. COMMUN. 333, (2014), pp. 219-225  (3 Citations)                                                                                                                                                              http://www.sciencedirect.com/science/article/pii/S0030401814007172

                                        

32. Dawei Liang, Joana Almeida and Emmanuel Guillot

Side-pumped continuous-wave Cr:Nd:YAG ceramic solar laser

published by Appl. Phys. B in 2013 was selected by REGI target selection team as a 

Key Scientific Article contributing to excellence in energy research

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

http://reginnovations.org/key-scientific-articles/side-pumped-continuous-wave-crndyag-ceramic-solar-laser/ 

(With additional information and image)

 

33. Dawei Liang, Joana Almeida and Dário Garcia 

Design of high-power, high-brightness Nd:YAG solar laser

APPL. OPT.   Vol. 53, No. 9, pp. 1856-1861 (2014). (6 citations)  (IF1.78)

http://www.opticsinfobase.org/ao/upcoming_pdf.cfm?id=203668

 

34. Novel Lasers: Solar-Pumped Nd:YAG Lasers Getting Brighter  

Our TEM00 solar-pumped laser research was reported by Senior Editor Gail Overton 

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.html 

Photonics Online, Dec. 9 (2013).

http://www.photonicsonline.com/doc/novel-lasers-solar-pumped-nd-yag-lasers-getting-brighter-0001?atc~c=771+s=773+r=001+l=a

Photonics Solutions, Dec. 10 (2013).  

 https://www.facebook.com/photonicsolutions 

Sci & Eng & Medical, Dec. 10  (2013).  

 https://www.facebook.com/pages/Sci-Eng-Medical/410802989041188 

 

35. Dawei Liang and Joana Almeida

Solar-pumped TEM00 mode Nd:YAG Laser 

OPT. EXPRESS  Vol. 21, Iss. 21, pp. 25107–25112 (2013).    (33 citations)   (IF 3.49)

http://www.opticsinfobase.org/oe/fulltext.cfm?uri=oe-21-21-25107&id=268986

 

36. Dawei Liang and Joana Almeida

Multi Fresnel lenses pumping approach for improving high-power Nd:YAG solar laser beam quality 

APPL. OPT.   Vol. 52, Iss. 21, pp. 5123-5132 (2013). (2 citations)  (IF 1.65)

http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-52-21-5123

 

37. Joana Almeida, Dawei Liang, Emmanuel Guillot and Yasser Hadi

40 W cw Nd:YAG solar laser pumped through a heliostat: a parabolic mirror system

LASER PHY. Vo. 23, Iss. 6, 065801 (2013).  (36 citations)  (IF1.03)

http://iopscience.iop.org/1555-6611/23/6/065801/

 

Laser Physics,  Highlights of  2013

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

 

38. Dawei Liang, Joana Almeida and Emmanuel Guillot

Side-pumped continuous-wave Cr:Nd:YAG ceramic solar laser

APPL. PHY. B. - Lasers and Optics, Vol.111, Iss.2, pp. 305-311 (2013). (21-Citations)  (IF1.88)

http://link.springer.com/article/10.1007%2Fs00340-013-5334-4#/page-1

 

39. Dawei Liang and Joana Almeida

Design of ultrahigh brightness solar-pumped disk laser  

APPL. OPT.  Vol. 51, Iss. 26,  pp. 6382-6388 (2012). (9-Citations)  (IF 1.69)

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

 

40. Dawei Liang and Joana Almeida

Panelist Andrey N. Kuzmin - Spotlight Summary

Design of ultrahigh brightness solar-pumped disk laser  

Spotlight on Optics

 

Spotlight on Optics,  Sept. 14, (2012).

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

 

41. Joana Almeida and Dawei Liang

Design of a high brightness solar-pumped laser by light-guides

OPT. COMMUN. 285 (2012), pp. 5327-5335. (9 citations) (IF 1.44)

http://www.sciencedirect.com/science/article/pii/S0030401812008218

 

42. Joana Almeida, Dawei Liang and Emmanuel Guillot

Improvement in solar-pumped Nd:YAG beam brightness

OPT. LASER TECHNOL. 44 (2012) pp. 2115–2119. (40 citations)  (IF 1.64)

http://dx.doi.org/10.1016/j.optlastec.2012.03.017 

 

Our achievement in high-brightness solar laser was also reported by Editor Rikki Stancich 

CPS Today News  Feb. 24, (2012)

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

 

43.  Dawei Liang and Joana Almeida

Highly efficient solar-pumped Nd:YAG laser

OPT. EXPRESS   Vol 19, Iss. 27, pp. 26399-26405 (2011). (74 citations)  (IF 3.59)

http://www.opticsinfobase.org/abstract.cfm?URI=oe-19-27-26399

 

44.  Rui Pereira,  Birgit Weichelt,  Dawei Liang,  Paulo Morais,  Helena Gouveia, Abdou Marwan, Andreas Voss and Thomas Graf

Efficient pump beam-shaping for high-power thin-disk laser systems                            

APPL. OPT.  Vol. 49, Iss. 27, pp.5157-5162 (2010). (18 citations) (IF 1.75)

http://www.opticsinfobase.org/abstract.cfm?URI=ao-49-27-5157

 

45. M. Ribau Teixeira, G. Foito Figueira, J. Mendanha Dias, Dawei Liang,  A. Pereira Leite,  H. Crespo  

Os 50 anos do Laser em Portugal

Gazeta de Física, Vol.34, (2011), pp.40-45 

http://www.gazetadefisica.spf.pt/magazine/106/pdf

 

 

 

Peer-Reviewed Conference Papers in Web of Science, SPIE, IEEE and OSA Optics-InfoBase



1. Joana Almeida, Dawei Liang, Cláudia R. Vistas and Emmanuel Guillot. 
56W cw Nd:YAG solar laser by a heliostat-parabolic mirror system.
CLEO/Europe-EQEC – Conference on Lasers and Electro-Optics, Munich, Germany, June (2015).

https://www.osapublishing.org/abstract.cfm?uri=CLEO_Europe-2015-CA_11_6

2. Cláudia R. Vistas, Dawei Liang and Joana Almeida
Renewable forsterite production by a solar furnace.
CLEO/Europe-EQEC – Conference on Lasers and Electro-Optics, Munich, Germany,  June (2015).

https://www.osapublishing.org/abstract.cfm?uri=CLEO_Europe-2015-CE_P_26

3. Dawei Liang, Joana Almeida, Mariana Oliveira, Filipe Gonçalves and Cláudia R. Vistas
Advances in high-efficiency TEM00-mode solar-pumped laser. 
Workshop on Laser Solutions for Orbital Space Debris, Paris, France, 27-28th April (2015).

https://gargantua.polytechnique.fr/siatel-web/linkto/mICYYYUAapW

4. Joana Almeida, Dawei Liang, Mariana Oliveira, Filipe Gonçalves and Cláudia R. Vistas. 
Progress in solar-pumped laser efficiency by heliostat-parabolic mirror system. 
Workshop on Laser Solutions for Orbital Space Debris, Paris, France, 27-28th April (2015).

https://gargantua.polytechnique.fr/siatel-web/linkto/mICYYYUAapW

5. Dawei Liang and Joana Almeida
Design of high-brightness TEM00-mode solar-pumped laser for renewable material processing
Proc. SPIE, Vol. 9286, (2014)

http://spie.org/Publications/Proceedings/Paper/10.1117/12.2063441

6. Joana Almeida and Dawei Liang

High-power high-brightness solar laser approach for renewable Mg recovery from MgO 
Proc. SPIE, Vol. 9286, (2014) 

http://spie.org/Publications/Proceedings/Paper/10.1117/12.2063442

7. Dário Garcia, Dawei Liang and Joana Almeida
 Core-doped Nd:YAG disk solar laser uniformly pumped by six Fresnel lenses 
Proc. SPIE, RIA100-682 ( 2013 )

 http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1782236

 8. Gonçalo Tomas, Dawei Liang and Joana Almeida

Side-pumping Nd:YAG solar laser by six Fresnel lenses 

Proc. SPIE, RIA100-254 (2013 )  

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1782240 

 9. Bruno Galinhas and Dawei Liang

End-side-pumped Nd:YAG solar laser with four Fresnel lenses 

Proc. SPIE, RIA100-260 (2013 ) 

 http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1782230

 10. Dawei Liang, Joana Almeida and Dário Gracia

Comparative study of Cr:Nd:YAG and Nd:YAG solar laser performances

Proc. SPIE, RIA100-597  ( 2013 )                                                                 (1-Citation) 

http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1782363

11.Joana Almeida Dawei Liang  and Dário Graçia 

Comparative study of Nd:YAG solar laser performance in end-pumping and side-pumping configurations 

CLEO/Europe and EQEC 2013 Conference Digest, OSA Technical Digest (2013) CA-P19

https://www.osapublishing.org/abstract.cfm?uri=CLEO_Europe-2013-CA_P_19

12. Bruno Couto and  Dawei Liang  Optical fiber pumping of solar Nd:YAG disc laser

Proc. SPIE, Vol. 8001
SPIE/International Conference on Applications of Optics and Photonics, (2011), 8001-199.
http://spiedigitallibrary.org/proceedings/resource/2/psisdg/8001/1/80014D_1?isAuthorized=no
13. Joana Almeida and  Dawei Liang

Efficient solar-pumped Nd:YAG laser by a double-stage light-guide/V-groove cavityl Proc. SPIE, Vol. 8001 (2011),8001-196.

http://spiedigitallibrary.org/proceedings/resource/2/psisdg/8001/1/80014C_1?isAuthorized=no 
14. Bruno Couto and Dawei Liang
High-efficiency solar Nd:YAG disc laser with optical fiber pumping 
CLEO/Europe and EQEC 2011 Conference Digest, OSA Technical Digest (2011), paper CA-P16.
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5942489

15. Joana Almeida and  Dawei Liang 
Solar Nd:YAG laser beam quality by a roof-shaped pump cavity
CLEO/Europe and EQEC 2011 Conference Digest, OSA Technical Digest  (2011), paper CA5-4.
http://www.opticsinfobase.org/abstract.cfm?URI=CLEO/Europe-2011-CA5_4

16. Nídia Batista and Dawei Liang 
A simple color separation technique for solar tissue photo-coagulation (1-Citation) 
Proc. SPIE, Vol. 8092, Medical Laser Applications and Laser-Tissue Interactions V 
SPIE/OSA European Conferences on Biomedical Optics, 8092-47, (2011) doi:10.1117/12.889601

http://www.opticsinfobase.org/abstract.cfm?uri=ECBO-2011-80921K

17. Joana Almeida and Dawei Liang 

Construction of an array of LEDs coupled to a concentrator for phototherapy (1-Citation) 

Proc. SPIE, Vol. 8092, Medical Laser Applications and Laser-Tissue Interactions V SPIE/OSA European Conferences on Biomedical Optics,8092-12,(2011) doi:10.1117/12.885923

 http://proceedings.spiedigitallibrary.org/proceeding.aspx?  

18. Dawei Liang and Joana Almeida
High-efficiency solar-pumped Nd:YAG laser with excellent beam profile
CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD), paper JWA45.
http://www.opticsinfobase.org/abstract.cfm?URI=CLEO_AT-2011-JWA45

19. Dawei Liang and Rui Pereira
Large enhancement in TEM00 solar laser power by a light guide assembly-elliptical cavity 
Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical  
Digest (CD) (Optical Society of America, 2009), paper CTuX4.
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5225827

20. Rui Pereira and Dawei Liang
Efficient Solar-Pumped Laser by Light-Guide/2-D CPC Cavity    (1-Citation) 
Conference on Lasers and Electro-Optics/Quantum Electronics, OSA Technical Digest CD (2008), paper JTuA7.
http://www.opticsinfobase.org/abstract.cfm?URI=QELS-2008-JTuA7

21. Dawei Liang, Rui Pereira, and Pedro Bernardes 

Enhancing Sun-Pumped Laser Performances by a Truncated Fused Silica Elliptical Pump Cavity, (2-Citations) 

Technical Digest Series of CLEO/Europe-EQEC, pp.48. EPS/OSA/IEEE, (2007)   
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=4385858

22. Dawei Liang  Pedro  Bernardes and Rui  Martins 
Sun-Pumped Nd:YAG Laser with Excellent Tracking Error Compensation Capacity 
Technical Digest Series of CLEO/ Europe-EQEC, (2005), CA7-5-TUE
EPS/OAS/IEEEE, Vol. 29B. (3-Citations) 

http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1567828 

23. Pedro Bernardes and Dawei Liang
End-Side Pumped Solar Laser by a Fused Silica LightGuideAssembly            

Technical Digest Series of CLEO/ QUEL, USA 2005, JTuC31(2-Citations)   

http://www.opticsinfobase.org/abstract.cfm?URI=QELS-2005-JTuC31

24. R. Martins, R. Mota, P.  Bernardes and D. Liang,

Side-Pumped Solar Laser by Optical Fibers,Technical Digest Series of CLEO/ Europe-EQEC, 2003, CA6T pp.93

(The Best Posters Awards by European Physical Society, 2003) (4-Citations)

http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1312122

25. Dawei Liang, Sandra Duarte, Daniel Fereirra, João Trindade and Luís Monteiro

High Power Solar Energy Transmission by Solid Core Light Guides

Proc. SPIE, Vol. 4446,(2001), pp.76-87.    (5-Citations)  

http://spiedigitallibrary.org/proceedings/resource/2/psisdg/4446/1/76_1?isAuthorized=no