Results 131 to 140 of about 11,012 (313)

Modeling of Cr²⁺-Doped Saturable-Absorber Q-Switched Tm:CaF₂ Lasers

Crystals
We present a model of a Cr2+-doped saturable absorber (SA), which is employed in passively Q-switched (PQS) Tm:CaF2 lasers. The overall round-trip loss, the time evolution of the intracavity photon density, and the effective population inversion density ...
Mofan Yang, Ziyi Wu, Jinhe Yuan
doaj   +1 more source

The Evolution of Aerosol Jet Printing, A Review: Enhancing Material Versatility and Improvements for Next‐Generation Applications

Advanced Materials Technologies, EarlyView.
Aerosol Jet Printing (AJP) has emerged as a versatile additive manufacturing technique for high‐resolution, conformal, and multi‐material printing. This review highlights advances in printable materials, substrate compatibility, post‐processing, characterization, and process innovations, while critically discussing current challenges and future ...
Chandrachur Chatterjee, Rocco Lupoi, Michael J. Gibbons   +2 more
wiley   +1 more source

STUDY OF DIODE-PUMPED ND:YVO4 LASERS PASSIVELY Q-SWITCHED WITH YAG:CR4+ AND LIF:F2- CRYSTALS

, 2004
"In this thesis, CW-pumped Nd:YVO4 lasers passively Q-switched with LiF:F2- and YAG:Cr4+ saturable absorbers are modeled and comparatively analyzed. The model takes into account the geometric factor representing the distributions of the orientations of ...
Edgar Villafaña-Rauda
core  

Power-scaling MEMS Q-switched solid-state lasers

, 2013
Initial steps towards power-scaling solid-state lasers Q-switched by intra-cavity scanning MEMS are reported. Using a micromirror with a low-stress dielectric coating resulted in a x5 increase of the pulse energy with cavity-limited pulse ...
Deepak Uttamchandani, McBrearty, Euan, Euan McBrearty, Ralf Bauer, Caspar Clark, Ran Li, Uttamchandani, Deepak, Lubeigt, Walter, Bauer, Ralf, Li, Ran, Walter Lubeigt, Clark, Caspar   +11 more
core   +1 more source

Naphthyridine‐Based Donor–Acceptor Boron Difluoride Complexes Targeting Red Emission in Organic Light‐Emitting Diodes

Advanced Optical Materials, EarlyView.
Four donor–acceptor boron difluoride complexes based on triphenylamine donor and a naphthyridine acceptor units were synthesized, studied, and applied as OLED emitters. They exhibit pronounced intramolecular charge transfer character, balanced charge transport properties, and tunable emission. Near‐unity PLQYs are achieved for selected compounds, while
Omar Lahna, Stepan Kutsiy, Dmytro Volyniuk, Roman Luboradzki, Elina Andresen, Ute Resch‐Genger, Juozas V. Grazulevicius, Pavlo Stakhira, Mykhaylo A. Potopnyk   +8 more
wiley   +1 more source

Waveguide Geometry–Driven Trade‐Offs in Resonant Cavity Sensor Performance

Advanced Optical Materials, EarlyView.
Waveguide geometry governs the interplay between sensitivity, intrinsic Q‐factor, and wavelength noise in silicon nitride resonant sensors. Contrary to intuition, higher sensitivity does not ensure superior performance. Low‐noise, high‐Q ridge resonators achieve the lowest detection limits, revealing that detection is ultimately constrained by noise ...
Mohammad Talebi Khoshmehr, Bakiye Imran Akca, Mateusz Słowikowski, Drecka Dagmara, Marcin Juchniewicz, Ryszard Piramidowicz, Muhammad Ali Butt   +6 more
wiley   +1 more source

Hard‐Magnetic Soft Millirobots in Underactuated Systems

Advanced Robotics Research, EarlyView.
This review provides a comprehensive overview of hard‐magnetic soft millirobots in underactuated systems. It examines key advances in structural design, physics‐informed modeling, and control strategies, while highlighting the interplay among these domains.
Qiong Wang, Zixuan Zhang, Bingyan Li, Junkai Wang, Hongcheng Gu   +4 more
wiley   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

Advanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu, Bin Cui, Xumin Huang, Xiaoyu (Rayne) Zheng, T. Thang Vo‐Doan, Ruirui Qiao   +5 more
wiley   +1 more source

Near‐Infrared‐Driven Metal–Organic Frameworks‐Based Nanorobots for Controlled Photothermal‐Chemical Therapy Synergistic Induction of Cancer Cell Death

Advanced Robotics Research, EarlyView.
To achieve efficient cancer cell death, a bowl‐shaped PDA@UiO‐66@DOX nanorobot drug‐delivery nanoplatform was developed. Near‐infrared irradiation not only drives the nanorobot to exhibit self‐thermophoretic motion and elevates temperature but also triggers Doxorubicin (DOX) release via hyperthermia, enhancing cancer cells uptake of DOX and thereby ...
Tong Lin, Jie Yang, Yongcheng Li, Yuepeng Cai, Xiaosong Zhou, Ting Chen, Renfeng Dong   +6 more
wiley   +1 more source

Modelling of graphene Q-switched Tm lasers

, 2017
DOI: 10.1016/j.optcom.2016.12.023 URL: http://www.sciencedirect.com/science/article/pii/S0030401816310847 Filiació URV: SI Inclòs a la memòria: SIWe report on a model of diode-pumped Thulium lasers passively Q-switched by a graphene saturable absorber ...
MATEOS FERRÉ, XAVIER; A.S. Yasukevich; P. Loiko; N.V. Gusakova; J.M. Serres; K.V. Yumashev; N.V. Kuleshov; V. Petrov; U. Griebner; AGUILÓ DÍAZ, MAGDALENA; DÍAZ GONZÁLEZ, FRANCISCO MANUEL
core   +1 more source