Tunable Tm/Ho-codoped fiber lasers based on an extensible liquid core between a pair of fused multimode-single-mode fibers

2019 ◽  
Vol 58 (19) ◽  
pp. 5288
Author(s):  
Hajime Sakata ◽  
Fuma Kosaka ◽  
Masanari Kubota ◽  
Ryota Kimbara ◽  
Kengo Okada
Keyword(s):  
Fiber Lasers ◽  
Liquid Core ◽  
Single Mode

scholarly journals Microdrilled tapers to enhance optical fiber lasers for sensing

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
R. A. Perez-Herrera ◽  
M. Bravo ◽  
P. Roldan-Varona ◽  
D. Leandro ◽  
L. Rodriguez-Cobo ◽  
...  
Keyword(s):  
Optical Fiber ◽  
Optical Fibers ◽  
Fiber Lasers ◽  
Signal To Noise Ratio ◽  
Power Level ◽  
Single Mode ◽  
Optical Signal ◽  
Single Mode Fiber ◽  
Output Power Level ◽  
Linear Cavity

AbstractIn this work, an experimental analysis of the performance of different types of quasi-randomly distributed reflectors inscribed into a single-mode fiber as a sensing mirror is presented. These artificially-controlled backscattering fiber reflectors are used in short linear cavity fiber lasers. In particular, laser emission and sensor application features are analyzed when employing optical tapered fibers, micro-drilled optical fibers and 50 μm-waist or 100 μm-waist micro-drilled tapered fibers (MDTF). Single-wavelength laser with an output power level of about 8.2 dBm and an optical signal-to-noise ratio of 45 dB were measured when employing a 50 μm-waist micro-drilled tapered optical fiber. The achieved temperature sensitivities were similar to those of FBGs; however, the strain sensitivity improved more than one order of magnitude in comparison with FBG sensors, attaining slope sensitivities as good as 18.1 pm/με when using a 50 μm-waist MDTF as distributed reflector.

scholarly journals 48mJ pulse energy directly from a single-mode Q-switched ytterbium fiber lasers

2021 ◽  
Author(s):  
Monica Kalichevsky-Dong ◽  
Wenping Ge ◽  
Thomas Hawkins ◽  
Turghun Matniyaz ◽  
Liang Dong
Keyword(s):  
Pulse Energy ◽  
Fiber Lasers ◽  
Single Mode

Efficient High-power Single-mode Yb Three-level Cladding-pumped All-solid Photonic Bandgap Fiber Lasers at ~978nm

2019 ◽  
Author(s):  
Turghun Matniyaz ◽  
Wensong Li ◽  
Monica Kalichevsky-Dong ◽  
Thomas W. Hawkins ◽  
Joshua Parsons ◽  
...  
Keyword(s):  
High Power ◽  
Fiber Lasers ◽  
Photonic Bandgap ◽  
Single Mode ◽  
Photonic Bandgap Fiber
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