Results 101 to 110 of about 5,228,844 (338)

Multi-wavelength fiber laser with erbium doped zirconia fiber and semiconductor optical amplifier

open access: yes, 2010
Multi-wavelength hybrid fiber lasers are demonstrated in both ring and linear cavities using a fabricated Erbium-doped Zirconia fiber (EDZF) and semiconductor optical amplifier (SOA) as gain media.
Hamzah, Amirah   +20 more
core   +1 more source

Manipulating energy migration in nanoparticles toward tunable photochromic upconversion

open access: yesNature Communications
Smart control of energy interactions plays a key role in manipulating upconversion dynamics and tuning emission colors for lanthanide-doped materials. However, quantifying the energy flux in particular energy migration in the representative sensitizer ...
Jinshu Huang   +5 more
doaj   +1 more source

Review of long period fiber gratings written by CO2 laser

open access: yes, 2010
This paper presents a systematic review of long period fiber gratings (LPFGs) written by the CO2 laser irradiation technique. First, various fabrication techniques based on CO2 laser irradiations are demonstrated to write LPFGs in different types of ...
Yiping Wang, Wang, Yiping
core   +1 more source

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Spatiotemporal control of photochromic upconversion through interfacial energy transfer

open access: yesNature Communications
Dynamic control of multi-photon upconversion with rich and tunable emission colors is stimulating extensive interest in both fundamental research and frontier applications of lanthanide based materials.
Long Yan   +4 more
doaj   +1 more source

Compact high-power tunable three-level operation of double cladding Nd-doped fiber laser [PDF]

open access: yes, 2005
We present a compact high-power continuous-wave tunable neodymium-doped double cladding fiber laser operating on three-level 4F3/2 - 4I9/2 transition with a maximum output power up to 810 mW.
Nilsson, J.   +5 more
core   +1 more source

Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge   +4 more
wiley   +1 more source

High Performance Flexible Optical Fiber Sensor Enabled by Er3+/Yb3+ Co‐Doped near Pure‐Green Upconversion Emission Phosphor for Implantable Temperature Sensing

open access: yesAdvanced Materials Interfaces
Er3+/Yb3+ co‐doped upconversion (UC) emission phosphors play crucial roles for advancing implantable temperature sensing technologies. However, the fabrication of high‐performance optical fiber temperature sensor (OFTS) via these sensing materials ...
Jing Lyu   +4 more
doaj   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

Broadband THz Wave Generation and Detection in Organic Crystal PNPA at MHz Repetition Rates

open access: yesAdvanced Physics Research
Organic nonlinear optical (NLO) crystals have emerged as efficient room‐temperature emitters of broadband THz radiation with high electric field strengths. Although initially confined to high‐pulse‐energy excitation in the millijoule range with kHz rates,
Lukasz A. Sterczewski   +2 more
doaj   +1 more source

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