Integrated self-aligned conjugated polymer fiber laser devices

2007 ◽  
Vol 1 (5) ◽  
pp. 202-204 ◽  
Author(s):  
Martin Gaal ◽  
Emil J. W. List
Keyword(s):  
Fiber Laser ◽  
Conjugated Polymer ◽  
Polymer Fiber ◽  
Laser Devices

scholarly journals Comparison of A 1940 nm Thulium-Doped Fiber Laser and A 1470 nm Diode Laser for Cutting Efficacy and Hemostasis in A Pig Model of Spleen Surgery

Materials ◽  
2020 ◽  
Vol 13 (5) ◽  
pp. 1167
Author(s):  
Bogusława Żywicka ◽  
Zbigniew Rybak ◽  
Maciej Janeczek ◽  
Albert Czerski ◽  
Jolanta Bujok ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Diode Laser ◽  
Thermal Damage ◽  
Giant Cells ◽  
Pig Model ◽  
Delayed Bleeding ◽  
Thermal Changes ◽  
Thermal Tissue Damage ◽  
Cutting Efficacy ◽  
Laser Devices

Partial and total splenectomies are associated with a high risk of substantial blood loss. Lasers operating at wavelengths strongly absorbed by water have the potential to improve hemostasis and cut while providing a narrow zone of thermal damage. The aim of this study is to compare a thulium-doped fiber laser (TDFL) emitting a wavelength of 1940 nm and a diode laser (DL) operating at 1470 nm for spleen surgery in a pig model. A partial splenectomy and spleen incisions were made in 12 animals using the two laser devices. The hemostasis was evaluated visually during surgeries. Post-mortem and histopathological evaluations were done on days 0, 7, and 14 following surgery. Neither TDFL nor DL caused bleeding on day 0 or delayed bleeding. On day 14, pale streaks at the site of incision were slightly wider after cutting with DL than with TDFL. Histological analysis revealed a carbonized zone with exudation and a deeper zone of thermal tissue damage on day 0. The width of the thermal changes was 655.26 ± 107.70 μm for TDFL and 1413.37 ± 111.85 μm for DL. On day 7, a proliferation of fibroblasts and splenocytes was visible, as well as a formation of multinucleated giant cells adjacent to the residues of carbonization. The zone of thermal damage was broader for DL (1157.5 ± 262.77 μm) than for TDFL (682.22 ± 116.58 μm). On day 14, cutting sites were filled with connective and granulation tissues with the residues of carbonization. The zone of thermal damage was narrower for TDFL (761.65 ± 34.3 μm) than for DL (1609.82 ± 202.22 μm). Thus, both lasers are efficient in spleen surgery, providing good hemostasis. However, TDFL produces a narrower zone of thermal damage, which suggests its better efficiency for spleen surgery, especially when performing more precise procedures.

Microring embedded hollow polymer fiber laser

2015 ◽  
Vol 106 (13) ◽  
pp. 131101 ◽  
Author(s):  
C. L. Linslal ◽  
S. Sebastian ◽  
S. Mathew ◽  
P. Radhakrishnan ◽  
V. P. N. Nampoori ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Polymer Fiber

Reply to comment on “Microstructured polymer fiber laser”

2005 ◽  
Vol 30 (14) ◽  
pp. 1829 ◽  
Author(s):  
Alexander Argyros ◽  
Martijn A. van Eijkelenborg ◽  
Stuart D. Jackson ◽  
Richard P. Mildren
Keyword(s):  
Fiber Laser ◽  
Polymer Fiber

Microstructured polymer fiber laser

2004 ◽  
Vol 29 (16) ◽  
pp. 1882 ◽  
Author(s):  
Alexander Argyros ◽  
Martijn A. van Eijkelenborg ◽  
Stuart D. Jackson ◽  
Richard P. Mildren
Keyword(s):  
Fiber Laser ◽  
Polymer Fiber

Wavelength control of random polymer fiber laser based on adaptive disorder

2014 ◽  
Vol 39 (24) ◽  
pp. 6911 ◽  
Author(s):  
Zhijia Hu ◽  
Pengfei Gao ◽  
Kang Xie ◽  
Yunyun Liang ◽  
Haiming Jiang
Keyword(s):  
Fiber Laser ◽  
Polymer Fiber ◽  
Random Polymer ◽  
Wavelength Control

Silver nanoparticles filled hollow polymer fiber laser with enhanced photostability

2019 ◽  
Vol 112 ◽  
pp. 255-260 ◽  
Author(s):  
Arindam Sarkar ◽  
Roopa Venkataraj ◽  
V.P.N. Nampoori ◽  
M. Kailasnath
Keyword(s):  
Silver Nanoparticles ◽  
Fiber Laser ◽  
Polymer Fiber ◽  
Enhanced Photostability

Application of fluoride fiber laser devices operating at wavelengths near 3 micrometers

2021 ◽  
Author(s):  
Lukasz Pajewski ◽  
Slawomir Sujecki ◽  
Lukasz Sojka ◽  
Angela Seddon ◽  
Trevor Benson ◽  
...  
Keyword(s):  
Fiber Laser ◽  
Fluoride Fiber ◽  
Laser Devices

scholarly journals CHAOTIC DYNAMICS OF NON-LINEAR PROCESSES IN ATOMIC AND MOLECULAR SYSTEMS IN ELECTROMAGNETIC FIELD AND SEMICONDUCTOR AND FIBER LASER DEVICES: NEW APPROACHES, UNIFORMITY AND CHARM OF CHAOS

2014 ◽  
Vol 11 (4) ◽  
pp. 43-57 ◽  
Author(s):  
Г. П. Препелиця ◽  
О. В. Глушков ◽  
Я. I. Лепiх ◽  
В. В. Буяджі ◽  
В. Б. Терновський ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Fiber Laser ◽  
Chaotic Dynamics ◽  
Linear Processes ◽  
Molecular Systems ◽  
New Approaches ◽  
Non Linear ◽  
Laser Devices

Comment on “Microstructured polymer fiber laser”

2005 ◽  
Vol 30 (14) ◽  
pp. 1827 ◽  
Author(s):  
Ursula Gibson ◽  
Ulf Österberg
Keyword(s):  
Fiber Laser ◽  
Polymer Fiber
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