Results 171 to 180 of about 173,725 (252)

Multiring large-mode-area delivery fiber for high power

open access: yesApplied Optics, 2013
The study presents a novel design of multiring delivery fiber with large mode area for high power. Using a FiberCAD method, we investigated a fiber whose core is surrounded by alternative low- and high-index rings. Based on our calculation, the effective area is 400 μm2 at 1.08 μm, larger than the ~280 μm2 of conventional step-index fiber (20/400). The
Li, Lu   +7 more
openaire   +4 more sources

Ultra-large mode area fibers for high power lasers

open access: yesOptical Fiber Communication Conference, 2018
The most recent advances on ultra-large mode area fibers for high-power operation will be presented. Moreover, an approach to synthetize ultra-large mode area fibers that circumvents technical limitations by using multi-core fibers will be discussed.
Cesar Jauregui   +2 more
openaire   +4 more sources

Polarization-maintaining and single-mode large mode area pixelated Bragg fiber

Optics Letters, 2020
This Letter reports on a large mode area pixelated Bragg fiber in which some high refractive index rods were replaced by boron-doped rods that allows polarization maintaining behavior while keeping single-mode behavior. The realized all-solid fiber has a core diameter of 35 µm.
Vanvincq, Olivier   +8 more
openaire   +4 more sources

High-energy femtosecond pulse generation from a hybrid mode-locked large-mode-area Er:ZBLAN fiber laser.

Optics Letters, 2023
We report a hybrid mode-locked fiber laser at 2.8 µm based on a large-mode-area Er:ZBLAN fiber. Reliable self-starting mode-locking is achieved via the combination of nonlinear polarization rotation and a semiconductor saturable absorber.
Linpeng Yu   +12 more
semanticscholar   +1 more source

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