Results 121 to 130 of about 2,486,619 (297)

Ultrafast high power fiber lasers and their applications

, 2012
In this thesis I report experimental studies toward developing versatile, compact, and reliable ultrafast sources in the 1.5 micron wavelength region, and their power scalability.The first part of the thesis reports on the development of a stable all ...
Vazquez Zuniga, Luis Alonso, Vazquez-Zuniga, Luis Alonso   +1 more
core   +1 more source

Technical Feasibility Study of Autonomous Field Robot‐Based on‐the‐go Assessment of Soil Nutrients Using Ion‐Sensitive Field‐Effect Transistors

Advanced Robotics Research, EarlyView.
Autonomous field robots equipped with ISFET‐based sensors enable rapid, spatially resolved soil nutrient analysis directly in the field. An automated system based on the BoniRob platform is presented for standardized on‐site extraction and measurement of key macronutrients and soil pH.
Vadim Riedel, Stefan Hinck, Edgar Peiter, Arno Ruckelshausen   +3 more
wiley   +1 more source

Mode-locked pumped continuous wave Ce:LiCAF lasers

, 2016
At the MQ Photonics Research Centre of Macquarie University the project "Unlocking the Ultraviolet" was launched to establish a new laser platform based on Ce:LiCAF for continuous wave (CW) and ultrafast pulsed operations in the ultraviolet spectral ...
Barbara Wellmann (12310667)
core   +1 more source

Force–Displacement Characterization of PNIPAM Microactuators

Advanced Robotics Research, EarlyView.
A method to experimentally establish a force–displacement diagram of poly(N‐isopropyl acrylamide) (PNIPAM) microactuators, printed by 2PP, is presented herein. PNIPAM is a hydrogel whose volume and stiffness change with temperature due to the absorption or release of water.
Manon Cassignol, Esra Yalcinkaya, Adam Chafaï, Jérémy Odent, Pierre Lambert   +4 more
wiley   +1 more source

A milimetre wave phase shifter using a wireless hybrid mode locked laser [PDF]

, 2009
40 GHz hybrid mode locking is observed using planar antennas to form a wireless connection to the saturable absorber. Electronically controlled phase shift is measured which could enable remote antenna beam steering in future WLAN ...
Cryan, MJ, Khawaja, BAM
core  

Single-wall carbon nanotubes and graphene oxide-based saturable absorbers for low phase noise mode-locked fiber lasers

, 2016
Low phase noise mode-locked fiber laser finds important applications in telecommunication, ultrafast sciences, material science, and biology, etc. In this paper, two types of carbon nano-materials, i.e.
Sun, Zhipei, Wang, Yonggang, Wang, Y, Li, Xiaohui, Wu, Kan, Wu, K, Meng, B, Zhang, Y, Yu, Xia, Shum, P.P, Yu, Xuechao, Yu, X, Meng, Bo, Wang, Q.J, Li, X, Zhang, Ying, Shum, Perry Ping, Wang, Qi Jie, Wang, Yishan, Sun, Z   +19 more
core   +1 more source

A Transnasal Endoscope for Robotically Assisted Gastroscopy

Advanced Robotics Research, EarlyView.
This work introduces a 4.25 mm diameter magnetically navigated transnasal endoscope for upper gastrointestinal (GI) screening and intervention. The system enables precise remote steering throughout the upper GI tract and is demonstrated through in vitro and in vivo experiments, including the robotic execution of preprogrammed retroflexions, trans ...
Alexandre Mesot, Michelle Mattille, Sean Lyttle, Shannon M. Chan, Philip W. Y. Chiu, Quentin Boehler, Bradley J. Nelson   +6 more
wiley   +1 more source

Pulse-shaping assisted nonlinear optical signal generation in fibres

, 2013
This thesis investigates pulse-shaping assisted nonlinear optical signal generation in fibers. A linear pulse shaping stage is included in nonlinear fibre optic systems to achieve flexible and precise control over the characteristics of the output signal.
Yang, Xin
core   +1 more source

Magnetically Actuated Microrobot for Drug Delivery: Current Progress and Challenges

Advanced Robotics Research, EarlyView.
Magnetically actuated microrobots are reshaping targeted drug delivery through wireless propulsion, programmable materials, and localized therapeutic release. This review examines how fabrication, body material selection, structural architecture, loading mechanisms, and imaging‐guided control converge to enable microrobotic therapies while identifying ...
Yang Yang, David J. Cappelleri
wiley   +1 more source

Mode-Controllable and High-Pulse-Energy Spatiotemporally Mode-Locked Fiber Laser

IEEE Photonics Journal
Spatiotemporally mode-locked (STML) fiber lasers have been a remarkable platform for exploring multidimensional nonlinear optical dynamics and developing novel photonic devices.
Wenhui Hao, Zhihui Yang, Mingwei Mao, Yulong Tang   +3 more
doaj   +1 more source