scholarly journals Demonstration of ultra-low NA rare-earth doped step index fiber for applications in high power fiber lasers

2015 ◽  
Vol 23 (6) ◽  
pp. 7407 ◽  
Author(s):  
Deepak Jain ◽  
Yongmin Jung ◽  
Pranabesh Barua ◽  
Shaiful Alam ◽  
Jayanta K. Sahu
Keyword(s):  
Rare Earth ◽  
High Power ◽  
Fiber Lasers ◽  
Step Index ◽  
Rare Earth Doped ◽  
Step Index Fiber

scholarly journals Scaling the mode area of Rare-Earth doped step index fiber under current state of the art MCVD technology

CLEO: 2015 ◽  
2015 ◽  
Author(s):  
Deepak Jain ◽  
Yongmin Jung ◽  
Pranabesh Barua ◽  
Shaiful Alam ◽  
Jayanta K. Sahu
Keyword(s):  
Rare Earth ◽  
State Of The Art ◽  
Step Index ◽  
Current State ◽  
Mode Area ◽  
Rare Earth Doped ◽  
Step Index Fiber

scholarly journals High-brightness all-fiber Raman lasers directly pumped by multimode laser diodes

2019 ◽  
Vol 7 ◽  
Author(s):  
S. A. Babin
Keyword(s):  
Rare Earth ◽  
High Power ◽  
Fiber Lasers ◽  
Mode Selection ◽  
Laser Diodes ◽  
Multimode Laser ◽  
High Brightness ◽  
Graded Index ◽  
Raman Lasers ◽  
Rare Earth Doped

High-brightness fiber laser sources usually utilize active rare-earth-doped fibers cladding-pumped by multimode laser diodes (LDs), but they operate in limited wavelength ranges. Singlemode-passive-fiber based Raman lasers are able to operate at almost any wavelength being pumped by high-power fiber lasers. One of the interesting possibilities is to directly pump graded-index (GRIN) multimode passive fibers by available high-power multimode LDs at 915–940 nm, thus achieving high-power Raman lasing in the wavelength range of 950–1000 nm, which is problematic for rare-earth-doped fiber lasers. Here we review the latest results on the development of all-fiber high-brightness LD-pumped sources based on GRIN fiber with in-fiber Bragg gratings (FBGs). The mode-selection properties of FBGs inscribed by fs pulses supported by the Raman clean-up effect result in efficient conversion of multimode pump into a high-quality output beam at 9xx nm. GRIN fibers with core diameters 62.5, 85 and $100~\unicode[STIX]{x03BC}\text{m}$ are compared. Further scaling capabilities and potential applications of such sources are discussed.

High-power wavelength-tunable cladding-pumped rare-earth-doped silica fiber lasers

2004 ◽  
Vol 10 (1) ◽  
pp. 5-30 ◽  
Author(s):  
J. Nilsson ◽  
W.A. Clarkson ◽  
R. Selvas ◽  
J.K. Sahu ◽  
P.W. Turner ◽  
...  
Keyword(s):  
Rare Earth ◽  
High Power ◽  
Fiber Lasers ◽  
Silica Fiber ◽  
Wavelength Tunable ◽  
Rare Earth Doped

Design and refinement of rare earth doped multicore fiber lasers

2013 ◽  
Vol 35 (11) ◽  
pp. 1941-1946 ◽  
Author(s):  
F. Prudenzano ◽  
L. Mescia ◽  
A. Di Tommaso ◽  
M. Surico ◽  
M. De Sario
Keyword(s):  
Rare Earth ◽  
Fiber Lasers ◽  
Multicore Fiber ◽  
Rare Earth Doped

Single-crystal rare-earth doped YAG fiber lasers grown by the laser-heated pedestal growth technique

2014 ◽  
Author(s):  
Craig D. Nie ◽  
James A. Harrington ◽  
Yuan Li ◽  
Eric G. Johnson ◽  
Elizabeth F. Cloos ◽  
...  
Keyword(s):  
Rare Earth ◽  
Single Crystal ◽  
Fiber Lasers ◽  
Growth Technique ◽  
Laser Heated ◽  
Rare Earth Doped

Design of rare earth doped multicore fiber lasers and amplifiers

2012 ◽  
Author(s):  
Michele Surico ◽  
Annalisa Di Tommaso ◽  
Pietro Bia ◽  
Luciano Mescia ◽  
Marco De Sario ◽  
...  
Keyword(s):  
Rare Earth ◽  
Fiber Lasers ◽  
Multicore Fiber ◽  
Rare Earth Doped

scholarly journals Thermo-optical behavior of rare-earth-doped low-NA fibers in high power operation

2006 ◽  
Vol 14 (13) ◽  
pp. 6091 ◽  
Author(s):  
S. Hädrich ◽  
T. Schreiber ◽  
T. Pertsch ◽  
J. Limpert ◽  
T. Peschel ◽  
...  
Keyword(s):  
Rare Earth ◽  
High Power ◽  
High Power Operation ◽  
Power Operation ◽  
Optical Behavior ◽  
Rare Earth Doped
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