Towards visible-wavelength passively mode-locked lasers in all-fibre format
Credit: by Jinhai Zou, Chuchu Dong, Hongjian Wang, Tuanjie Du, and Zhengqian Luo Mode-locked fibre lasers generating ultrashort pulses with ...
Tag: Optics
Chirality-assisted lateral momentum transfer for bidirectional enantioselective separation
Credit: by Cheng-Wei Qiu Light carrying photon momentum can push and pull microparticles through momentum exchange. This momentum exchange progress ...
High-security identification that cannot be counterfeited
Researchers from the University of Tsukuba create millimeter-size chips with unique color patterns that cannot be forgedCredit: University of Tsukuba ...
Next-gen laser facilities look to usher in new era of relativistic plasmas research
Laser beams with power up to 10 petawatts will create plasmas with energy levels to be studied with quantum electrodynamics, ...
Fighting hospital germs with UVC light-emitting diodes
Credit: FBH/P. Immerz A novel LED irradiation system developed by the Ferdinand-Braun-Institut aims to kill microorganisms with ultra-short wave UV ...
Saturable plasmonic metasurfaces for laser mode locking
Credit: by Jiyong Wang, Aurelien Coillet, Olivier Demichel, Zhiqiang Wang, Davi Rego, Alexandre Bouhelier, Philippe Grelu and Benoit Cluzel Plasmonic ...
A thin lensless camera free of noise
Credit: by Jiachen Wu, Hua Zhang, Wenhui Zhang, Guofan Jin, Liangcai Cao and George Barbastathis Lensless imaging technology introduces computing ...
A new law in laser physics could make eye surgery simpler
New soliton laser pulses deliver high energy in a trillionth of a secondCredit: Louise Cooper/University of Sydney Scientists have developed ...
Record-high data transmission using a soliton crystal
An international team of researchers has developed an efficient way to create micro-combs and exploit them in highly performing and ...
Skoltech team reports an important step to making optical simulators real-world devices
Credit: Physical Review Letters A group of Skoltech scientists, in collaboration with colleagues from the University of Southampton (UK), developed ...
UVA, Peking Univ. and Cal Tech team achieves broadest microcomb spectral span on record
With greater freedom to design photonic devices, researchers can accelerate optics and photonics researchCredit: Xu Yi Charlottesville, Va. - Xu ...
Next-generation solar cells pass strict international tests
Perovskite crystals could underpin cheap renewable energyCredit: UNSW Australian scientists have for the first time produced a new generation of ...
New mobile health tool measures hemoglobin without drawing blood
Smartphone-based technique can help doctors assess anemia and blood disordersCredit: Young Kim, Purdue University WASHINGTON -- Researchers have developed a ...
Laser-based technique captures 3D images of impressionist-style brushstrokes
High-definition digital models constructed from OCT images could enhance the study and conservation of artworkCredit: Yi Yang, Penn State Abington ...
Company moves metals characterization technology forward with help from Sandia Labs
Credit: Image courtesy of Advanced Optical Technologies ALBUQUERQUE, N.M. -- When a small business needed help proving that its invention, ...
Researchers develop material capable of being invisible or reflective
Researchers develop material capable of being invisible or reflective in IR spectrumCredit: ITMO.News (news.itmo.ru) Modern optical devices require constant tuning ...
Breakthrough in research on production of 2D crystals with excellent optical properties
Credit: Source: UW Physics, A. Bogucki, W. Pacuski For the first time, monolayers of transition metal dichalcogenides with excellent optical ...
NIST team builds hybrid quantum system by entangling molecule with atom
Credit: Burrus/NIST Physicists at the National Institute of Standards and Technology (NIST) have boosted their control of the fundamental properties ...
Three-dimensional chessboards
Researchers at Osaka University develop liquid-phase 3D-patterning to create nanocellulose films aligned along multiple axes within the same sheet. This ...
Penn engineers develop first tunable, chip-based ‘vortex microlaser’ and detector
Encoding information in twisting beams of light could break bandwidth bottleneck in optical communicationsCredit: University of Pennsylvania As computers get ...