Results 31 to 40 of about 714 (254)
Gain dynamics in thulium-doped fiber amplifiers
Optics ExpressUnderstanding the gain dynamics of amplification in rare-earth-doped silica glass fibers is crucial for developing sophisticated low-noise amplifiers and frequency combs. Recent and ongoing research efforts in these areas have specifically targeted the spectral region around 2 µm and the use of thulium-doped silica glass fibers as a broadband, power ...
Benedikt Schuhbauer +4 more
openaire +2 more sources
Advanced Functional Materials, Volume 36, Issue 45, 5 June 2026.This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari +4 more
wiley +1 more source
IEEE Photonics Journal, 2016 In this paper, we present the theoretical modeling and characterization of the gain spectra at $\sim$1600–2100 nm from thulium-doped fiber amplifiers (TDFAs) for the first time.
Jianlong Yang +3 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A compostable PGS soft surgical robot with interchangeable modules integrates transient Mo tactile and Si thermal sensors for dual feedback. The device preserves its function after clinical‐grade sterilization, demonstrates stable actuation and cardiac tissue grasping with real‐time in vivo pulsatile monitoring, and biodegrades post‐use with soil‐safe,
Minseong Chae +27 more
wiley +1 more source
Tm-Yb Doped Optical Fiber Performance with Variation of Host-Glass Composition
Advances in Electrical and Electronic Engineering, 2014 The fabrication process of Thulium-Ytterbium doped optical fiber comprising different host glass through the Modified Chemical Vapor Deposition (MCVD) coupled with solution doping technique is presented.
Anirban Dhar +3 more
doaj +1 more source
Passively Modelocked All-PM Thulium-Doped Fiber Laser at 2.07
IEEE Photonics Journal, 2022 Here we present a self-started passively mode-locked thulium-doped fiber laser with in-band pumping at 1561 nm that fully retains polarization and emits beyond 2 μm.
Christian Cuadrado-Laborde +3 more
doaj +1 more source
Speckle‐Engineered Upconversion Amplification in Nanoemulsion‐Templated Hydrogel Microdomes
Advanced Functional Materials, EarlyView.Nanoemulsion‐confined PEGDA microdomes generate speckle‐like excitation fields that strongly amplify upconversion luminescence upon dehydration, enabling filter‐free visible readout with reversible on–off switching. DMD‐based lithography yields scalable, shape‐programmable arrays for moisture‐responsive displays and optical encryption.
Chaeyeong Ryu +13 more
wiley +1 more source
IEEE Photonics Journal, 2019 A high-power all-fiber supercontinuum (SC) source in a highly germania-doped fiber (GDF) pumped by a picosecond thulium-doped master oscillator power amplifier (MOPA) system is presented.
Zhijian Zheng +5 more
doaj +1 more source
2.56 W Single‐Frequency All‐Fiber Oscillator at 1720 nm
Advanced Photonics Research, 2022 The saturable absorption effect of unpumped, rare earth‐doped fiber can be used as a method of achieving single‐frequency operation in fiber lasers.
Junxiang Zhang +6 more
doaj +1 more source
The Dynamics of Multi-Peak Pulsed Generation in a Q-Switched Thulium-Doped Fiber Laser
Photonics, 2022 We demonstrate a detailed theoretical and experimental study of a thulium-doped fiber laser being Q-switched by means of an acousto-optic modulator. The processes leading to the generation of discontinuous multi-peak pulses with an energy of up to 5 μJ ...
Alisa E. Fale +8 more
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