scholarly journals CO2 laser annealed SiGe core optical fibers with radial Ge concentration gradients

2020 ◽  
Vol 10 (4) ◽  
pp. 926 ◽  
Author(s):  
Wei Wu ◽  
Mustafa Balci ◽  
Seunghan Song ◽  
Chunxin Liu ◽  
Michael Fokine ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Co2 Laser ◽  
Concentration Gradients

scholarly journals Fusion Splicing of Ribbon-Shaped Optical Fibers with CO2 Laser Beams

2008 ◽  
Vol 74 (1) ◽  
pp. 57-61 ◽  
Author(s):  
Souta MATSUSAKA ◽  
Masanori OHTA ◽  
Takehiro WATANABE ◽  
Takeshi SATOH ◽  
Manabu TABATA
Keyword(s):  
Optical Fibers ◽  
Co2 Laser ◽  
Laser Beams

CO2 laser-based side-polishing of silica optical fibers

2020 ◽  
Vol 45 (15) ◽  
pp. 4128
Author(s):  
Siyu Fan ◽  
Noel Healy
Keyword(s):  
Optical Fibers ◽  
Co2 Laser

TeX-glass infrared optical fibers delivering medium power from a CO2 laser

1999 ◽  
Vol 13 (2) ◽  
pp. 271-276 ◽  
Author(s):  
F Smektala ◽  
K Le Foulgoc ◽  
L Le Neindre ◽  
C Blanchetière ◽  
X.H Zhang ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Co2 Laser

Optical Fiber for CO2 Laser Otosclerosis Surgery

2008 ◽  
Vol 139 (2_suppl) ◽  
pp. P57-P57 ◽  
Author(s):  
S George Lesinski ◽  
Kylie Giesken
Keyword(s):  
Optical Fiber ◽  
Optical Fibers ◽  
Delivery System ◽  
Co2 Laser ◽  
Laser Energy ◽  
Spot Size ◽  
Massachusetts Institute Of Technology ◽  
Optic Fibers ◽  
Institute Of Technology ◽  
Temporal Bones

Objective To determine the safety and efficacy of new handheld optical fibers for CO2 laser stapedotomy and stapedectomy revision. Advantages of the new CO2 optic fibers are: convenience, reliability and precision. Disadvantages are: special adaptor required for laser console, limited spot size and cost. Omniguides’ handheld optic fibers introduce a safe, effective, and precise delivery system for CO2 laser otosclerosis surgery. Methods Prospective study of 25 consecutive otosclerosis patients. Researchers at Massachusetts Institute of Technology have developed a flexible optical fiber (photonic bandgap reflector) which can deliver CO2 laser energy through a handheld probe with minimal loss of laser energy. Omniguide introduced a 0.9 mm (O.D.) fiber in 2007 specifically for otologic surgery. This clinical study analyzes the safety and effectiveness of this new technology for CO2 laser otosclerosis surgery. To determine appropriate energy parameters, stapedotomy was performed in the laboratory on human temporal bones. Subsequently, 25 consecutive otosclerosis patients underwent CO2 laser stapedotomy (21) or stapedectomy revision (4) employing these handheld fibers. 6-month post op audiograms were analyzed for air/bone gaps and nerve loss according to AAO-HNS guidelines. Results 21/21 primary and 3/4 revision patients closed the air/bone gap to within 15 decibels (mean 0.5, 1, 2, 3 KHz). There was no nerve loss at these frequencies. Three patients demonstrated a slight loss at 4 KHz (2–15 db, 1–20 db) compared with their preop audiograMS These results compare favorably with previous otosclerosis surgery performed by the author with microscope mounted CO2 lasers. Conclusions Advantages of the new CO2 optic fibers are: convenience, reliability and precision. Disadvantages are: special adaptor required for laser console, limited spot size and cost. Omniguides’ handheld optic fibers introduce a safe, effective and precise delivery system for CO2 laser otosclerosis surgery.

scholarly journals Thermal treatment of silica optical fibers with CO2-laser radiation

2011 ◽  
Vol 16 (4) ◽  
pp. 172-176
Author(s):  
S. Khotiaintsev ◽  
A.N. Castro-Martinez
Keyword(s):  
Laser Radiation ◽  
Optical Fiber ◽  
Optical Fibers ◽  
Co2 Laser ◽  
Single Mode ◽  
Fiber Grating ◽  
Axial Tension ◽  
Silica Optical Fiber ◽  
Co2 Laser Radiation ◽  
Period Fiber Grating

We investigate theoretically and experimentally the effect of high-power CO2–laser radiation on silica optical fibers. We show that it takes several tens of milliseconds to heat the standard single–mode silica optical fiber to the fusing temperature of silica with the focused radiation of the CO2 laser of an output power of about 5 W. A point by point exposure of the optical fiber to the focused radiation of the CO2 laser under simultaneous axial tension results in a periodic necking of the optical fiber. Such an alteration of fiber parameters constitutes the Long Period Fiber Grating

scholarly journals CO2 laser annealing of Ge core optical fibers with different laser power

2019 ◽  
Vol 9 (3) ◽  
pp. 1333 ◽  
Author(s):  
Ziwen Zhao ◽  
Yujizhe Mao ◽  
Li Ren ◽  
Jianbo Zhang ◽  
Na Chen ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Co2 Laser ◽  
Laser Power ◽  
Laser Annealing

scholarly journals CO2 Laser-Induced Directional Recrystallization to Produce Single Crystal Silicon-Core Optical Fibers with Low Loss

2016 ◽  
Vol 4 (7) ◽  
pp. 1004-1008 ◽  
Author(s):  
Noel Healy ◽  
Michael Fokine ◽  
Yohann Franz ◽  
Thomas Hawkins ◽  
Maxwell Jones ◽  
...  
Keyword(s):  
Single Crystal ◽  
Optical Fibers ◽  
Co2 Laser ◽  
Single Crystal Silicon ◽  
Low Loss ◽  
Crystal Silicon

Fabrication of microlenses on ytterbium-doped double-cladding microstructured optical fibers with a CO2 laser for effective optical coupling

2019 ◽  
Vol 48 (1) ◽  
pp. 123-128
Author(s):  
Yang Xiao ◽  
Guiyao Zhou ◽  
Wang Xian ◽  
Yun chen ◽  
Zhiyun Hou ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Co2 Laser ◽  
Optical Coupling ◽  
Microstructured Optical Fibers
Sign in / Sign up

Export Citation Format

Share Document