Results 211 to 220 of about 1,022,007 (266)

Ultra-wideband optical diffractive network for mode multiplexing across the entire telecommunication range. [PDF]

Nat Commun
Kong A, Ren J, Wang K, Yu Y, Lin R, Wang C, Long J, Pang F, Chen X, Yan X, Wang Z, Liu B, Lei T, Yuan X.   +13 more
europepmc   +1 more source

Surface Microstructure Regulation via Femtosecond Laser for Enhancing Laser Welding Strength of PVC/PA66: Mechanisms and Optimal Parameters. [PDF]

Polymers (Basel)
Zhai K, Yang F, Lin Y, Liu M, Ouyang D, Chen Y, Zhao J, Lue Q, Ruan S.   +8 more
europepmc   +1 more source

High-Order Domain-Wall Dark Harmonic Pulses and Their Transition to H-Shaped and DSR Pulses in a Dumbbell-Shaped Fiber Laser at 1563 nm. [PDF]

Micromachines (Basel)
Reyes-Mora A, Durán-Sánchez M, Espinosa-De-La-Cruz EA, Alcántara-Bautista U, Ibarra-Garrido A, Armas-Rivera I, Rodríguez-Morales LA, Bello-Jiménez M, Ibarra-Escamilla B.   +8 more
europepmc   +1 more source

Dissimilar soliton molecule formed by dissipative pulses in a single-mode mode-locked fiber laser. [PDF]

Opt Express
Xu S, Viry A, Sander MY.
europepmc   +1 more source

Wavelength-Switchable Ytterbium-Doped Mode-Locked Fiber Laser Based on a Vernier Effect Filter. [PDF]

Micromachines (Basel)
Xu H, Zhang L, Li X, Li J, Liu Y, Yao Y, Wang M.   +6 more
europepmc   +1 more source

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Thulium-doped tellurite fiber amplifier

IEEE Photonics Technology Letters, 2004
Gain in the S-band is demonstrated in a thulium-doped tellurite fiber amplifier using dual pump and bidirectional pumping schemes. Two pump schemes were employed: 795/1064 and 1047/1550 nm. The gain profile is broader than achieved in a fluoride fiber and overlaps with the C-band of the erbium-doped fiber amplifier. We reach a fiber-to-fiber gain of 11
Lars Johan Nilsson
exaly   +3 more sources

Single-frequency thulium-doped distributed-feedback fiber laser

Optics Letters, 2004
We have successfully demonstrated a single-frequency distributed-feedback (DFB) thulium-doped silica fiber laser emitting at a wavelength of 1735 nm. The laser cavity is less than 5 cm long and is formed by intracore UV-written Bragg gratings with a phase shift. The laser is pumped at 790 nm from a Ti:sapphire laser and has a threshold pump power of 59
Søren, Agger, Jørn Hedegaard, Povlsen, Poul, Varming   +2 more
exaly   +3 more sources

Broadband thulium-doped fiber ASE source

Optics Letters, 2020
We report on a flat and broadband thulium-doped amplified spontaneous emission (ASE) fiber source working around 1.85 µm in the eye-safe spectral region. Core-pumped thulium fibers were prepared in-house using the modified chemical vapor deposition method. The amplified spontaneous emission source in a backward direction with respect to the pump and in
J. Aubrecht, P. Peterka, P. Honzátko, O. Moravec, M. Kamrádek, I. Kašík   +5 more
openaire   +2 more sources

Photoinduced absorption in thulium-doped ZBLAN fibers

Optics Letters, 1995
We report on the observation of photoinduced absorption in four different thulium-doped ZBLAN fibers exposed to 1.12-μm light. The darkening rate is shown to follow a fourth-power dependence on the pumping intensity and a strong dependence on the Tm3+ concentration.
P, Laperle, A, Chandonnet, R, Vallee
openaire   +2 more sources

Thulium-doped optical fibers for fiber lasers

Photonics, Devices, and Systems VII, 2017
We present preparation and characterization of thulium-doped silica-based optical fibers for fiber lasers. The fibers were prepared by modified chemical vapor deposition process and doped with alumina and thulium ions. Alumina co-doping was achieved through two different methods – solution doping and nanoparticle doping method.
Ivan Kašík, Václav Kubeček, Jan Mrázek, Jakub Cajzl, Pavel Honzátko, Ondřej Podrazký, Pavel Peterka, Jan Aubrecht, Michal Kamrádek   +8 more
openaire   +1 more source