Results 111 to 120 of about 1,804,643 (357)

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

, 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, Ahmad, Harith, Boyland, A.J., Hamzah, A., Arof, H., Harun, S.W., Yoo, S., Paul, M.C., Pal, M., Bhadra, S.K., Huri, N.A.D., Kalita, M.P., Harun, Sulaiman Wadi, Das, S., Lokman, A., Lokman, Asiah, Pal, Manimala, Arof, Hamzah, Sahu, Jayanta Kumar, Sahu, J.K., Ahmad, H.   +20 more
core  

Erbium:ytterbium co-doped large-core fiber laser with 297W continuous-wave output power

, 2007
We have demonstrated a high-power and high-efficiency erbium:ytterbium (Er:Yb) co-doped fiber laser that produces 297 W of continuous-wave output at 1567 nm.
Nilsson, J., Jayanta K. Sahu, Mike Lovelady, Piper, A., Johan Nilsson, David N. Payne, Yoo, S., R. Horley, Andy Piper, Payne, D.N., Lovelady, M., Christophe A. Codemard, Jeong, Y., Hickey, L.M.B., Andrew Harker, Yoonchan Jeong, Louise Hickey, Turner, P.W., Horley, R., P. W. Turner, Codemard, Christophe, Harker, A.T., Sahu, J.K., Seongwoo Yoo   +23 more
core   +1 more source

High fidelity femtosecond pulses from an ultrafast fiber laser system via adaptive amplitude and phase pre-shaping [PDF]

, 2009
We report the generation of a 12.6W average power, 50MHz repetition rate pulse train, compressible to high fidelity 170fs pulses, from an ultrafast ytterbium-doped fiber laser system via adaptive amplitude and phase pre ...
Shepherd, D.P., Hanna, D.C., Jerry Prawiharjo, David J. Richardson, Nikita K. Daga, David C. Hanna, Prawiharjo, J., Richardson, D.J., Geng, R., Rui Geng, David P. Shepherd, Daga, N.K.   +11 more
core   +1 more source

Interplay Between Phase Evolution, Fe Migration, and Oxygen Redox in O3‐Type NaxFeyMn1−yO2 Cathodes

Advanced Functional Materials, EarlyView.
Why do Na‐ion battery cathodes, that are compositionally closely related, follow different structural paths during battery operation? This work shows how Fe content controls when iron atoms migrate from their original sites. Early migration locks the layers and blocks key phase transitions, whereas delayed migration permits fuller structural ...
Morten Johansen, Maria Schou Hansen, Josephine Dunker, Rebekka Klemmt, Dorthe B. Ravnsbæk   +4 more
wiley   +1 more source

100 Gigabit Internet why and how : the technology behind it [PDF]

, 2010
The need to keep transmission capacity growing is a never ending process which is becoming more and more challenging to fulfill. Over the years we have witnessed data rates to grow from less than one bit per second all the way up to tens of Giga bits per
Glesk, I., I. Glesk
core   +1 more source

Swelling‐Induced Stress‐Assisted Transfer of Nanodiamond Arrays With a PVA Carrier Tape for Conformal Bio‐Integrated Sensing and Labelling

Advanced Functional Materials, EarlyView.
This work introduces a swelling‐induced, stress‐assisted water‐soluble PVA tape strategy to transfer‐print nanodiamond quantum‐sensor arrays onto soft, curved biological interfaces. The room‐temperature, water‐triggered process achieves >98% fidelity and residue‐free integration, enabling conformal quantum sensing on contact lenses, neural probes, and ...
Luyao Zhang, Lingzhi Wang, Xinhao Hu, Tai Nam Yip, Mingze Sun, Jixiang Jing, Lizhi Xu, Yuan Lin, Yong Hou, Zhiqin Chu   +9 more
wiley   +1 more source

Optimizing high-power Yb-doped fiber amplifier systems in the presence of transverse mode instabilities.

Optics Express, 2016
The average output power of Yb-doped fiber amplifier systems is currently limited by the onset of transverse mode instabilities. Besides, it has been recently shown that the transverse mode instability threshold can be significantly reduced by the ...
C. Jauregui, Hans-Jürgen Otto, S. Breitkopf, J. Limpert, A. Tünnermann   +4 more
semanticscholar   +1 more source

High-power single-frequency thulium-doped fiber master-oscillator power-amplifier at 1943nm [PDF]

, 2009
A Tm-doped fiber master-oscillator power-amplifier system that generates over 100W of single frequency output in a near-diffraction-limited beam with an M2 parameter of 1.25 is described.
J. W. Kim, Clarkson, W.A., M. Ibsen, J. K. Sahu, Kim, J.W., Ibsen, M., W. A. Clarkson., Z. Zhang, L. Pearson, Pearson, L., Sahu, J.K., Zhang, Z.   +11 more
core   +1 more source

146W continuous wave ytterbium doped fiber amplifier at 1009 nm

, 2022
Paper 89610WIn this contribution we demonstrate a single mode continuous wave laser amplifier with 146 W of power at a wavelength of 1009 nm. On one hand this experiments constitutes an extension of the wavelength range of high power fiber lasers ...
Beier, Franz, Limpert, Jens, Otto, Hans-Jürgen, Haarlammert, Nicoletta, Tünnermann, Andreas, Sattler, Bettina, Schreiber, Thomas, Eberhardt, Ramona, Plötner, Marco, Jauregui, Cesar, Vries, Oliver de   +10 more
core   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, EarlyView.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source