Ultra-broadband wavelength-swept Tm-doped fiber laser using wavelength-combined gain stages [PDF]
, 2015 A wavelength-swept thulium-doped fiber laser system employing two parallel cavities with two different fiber gain stages is reported. The fiber gain stages were tailored to provide emission in complementary bands with external wavelength-dependent ...
Agger +15 more
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Interferometric distributed sensing system with phase optical time-domain reflectometry
Photonic Sensors, 2016 We demonstrate a distributed optical fiber sensing system based on the Michelson interferometer of the phase sensitive optical time domain reflectometer (φ-OTDR) for acoustic measurement. Phase, amplitude, frequency response, and location information can
Chen Wang +5 more
doaj +1 more source
Experimental study on the 500-W-level all-fiber amplifier operating near 980 nm
Results in Physics, 2021 In this paper, a 500-W-level all-fiber amplifier operating near 980 nm is demonstrated firstly, to the best of our knowledge. The amplifier is fabricated with a 105/250-μm core/cladding-diameter double-cladding Yb-doped fiber (DCYF).
Maoni Chen +6 more
doaj +1 more source
Research on the surface subsidence monitoring technology based on fiber Bragg grating sensing
Photonic Sensors, 2016 In order to monitor the process of surface subsidence caused by mining in real time, we reported two types of fiber Bragg grating (FBG) based sensors.
Jinyu Wang +8 more
doaj +1 more source
Efficient and Broadband Emission in Dy3+-Doped Glass-Ceramic Fibers for Tunable Yellow Fiber Laser
Nanomaterials, 2023 Yellow lasers are of great interest in biology, medicine and display technology. However, nonlinear emission of near-infrared lasers at yellow still presents particularly complex optical alignment to date.
Qianyi Chen +9 more
doaj +1 more source
Three-photon excitation of quantum dots with a telecom band ultrafast fiber laser [PDF]
, 2014 We demonstrate three-photon excitation in quantum dots with a mode-locked fiber laser operating in the telecommunications band. We compare spectra and intensity dependence of fluorescence from one- and three-photon excitation of commercially available ...
Kielpinski, D. +3 more
core +2 more sources
Various fiber optic microlenses fabricated using a large diameter splicing system [PDF]
EPJ Web of ConferencesWe developed and fabricated various types of microlenses on optical fiber end facets using a large diameter splicing (LDS) system and analyzed the obtained beam profiles. Numerical simulations support our experimental results.
Matczak Szymon +2 more
doaj +1 more source
Multiple RF carrier distribution in a hybrid radio/fiber system employing a self-pulsating laser diode transmitter [PDF]
, 2002 A self-pulsating laser diode is used to generate a multicarrier microwave optical signal for use in a hybrid radio/fiber system. The self-pulsation frequency of the laser is controlled by external light injection, and can be varied between 14-24 GHz. The
Anandarajah, Prince M. +2 more
core +1 more source
Nature Communications, 2021 Observing 3D dissipative solitons is very challenging since their formation is stochastically and not repeatable. Here, the authors report the real-time multispeckle spectral-temporal observation of dissipative solitons in an optical fiber and analyze ...
Yuankai Guo +5 more
doaj +1 more source
Large energy soliton erbium-doped fiber laser with a graphene-polymer composite mode locker
, 2009 Due to its unique electronic property and the Pauli Blocking Principle, atomic layer graphene possesses wavelength-independent ultrafast saturable absorption, which can be exploited for the ultrafast photonics application.
Bao, Qiaoliang +4 more
core +1 more source