Results 61 to 70 of about 39,906 (101)

A Novel Coupled Resonator Photonic Crystal Design in Lithium Niobate for Electrooptic Applications

open access: yesInternational Journal of Optics, 2015
High-aspect-ratio photonic crystal air-hole fabrication on bulk Lithium Niobate (LN) substrates is extremely difficult due to its inherent resistance to etching, resulting in conical structures and high insertion losses.
Birol Ozturk   +2 more
doaj   +1 more source

Acousto-optic scanning multi-photon lithography with high printing rate

open access: yesOpto-Electronic Advances
Acousto-optic scanning and spatial switching methods have revolutionized printing rate improvements for multi-photon lithography.
Minghui Hong
doaj   +1 more source

Pluggable multitask diffractive neural networks based on cascaded metasurfaces

open access: yesOpto-Electronic Advances
Optical neural networks have significant advantages in terms of power consumption, parallelism, and high computing speed, which has intrigued extensive attention in both academic and engineering communities.
Cong He   +10 more
doaj   +1 more source

Tying Food Addiction to Uncontrolled Eating: The Roles of Eating-Related Thoughts and Emotional Eating

open access: yesNutrients
Background. Food addiction is often linked to overeating and difficulty in controlling eating habits. At the same time, food addiction is often associated with intense eating-related thoughts and emotional eating behaviors.
A. Rossi
semanticscholar   +1 more source

All-Optical Demultiplexer/Multiplexer Based on Plasmonic Technology With Ultra-High Transmission, Ultra-Small Size, and Very High Modulation Depth

open access: yesInternational Journal of Optics
Photonic devices are of paramount importance in various fields, particularly in the realm of electronics. Nevertheless, miniaturization and the diffraction limit are the two issues that have plagued the development of photonic devices.
Sajjad Mohanad Mustafa   +3 more
doaj   +1 more source

Study on the Terahertz Spectroscopy Properties of Graphene Quantum Dots Based on Microfluidic Chip

open access: yesInternational Journal of Optics
Graphene quantum dots are quasi-zero-dimensional nanomaterials with unique physical and chemical properties. This study utilized a terahertz (THz) time-domain spectroscopy system to analyze the absorption characteristics of THz-waves by graphene quantum ...
Zhuang Peng   +7 more
doaj   +1 more source

Identification and characteristics of patients with potential difficult-to-treat psoriatic arthritis: exploratory analyses of the Greek PsA registry

open access: yesRheumatology
Objective To present the characteristics of patients with potential difficult-to-treat (D2T) PsA. Methods We used data from the Greek multicentre registry of PsA patients. D2T PsA was defined as follows: patients with at least 6 months’ disease duration,
K. D. Vassilakis   +38 more
semanticscholar   +1 more source

Moral distress and compassion fatigue among nursing interns: a cross-sectional study on the mediating roles of moral resilience and professional identity

open access: yesBMC Nursing
Nursing interns often faced moral distress in clinical practice, similar to registered nurses, which can lead to compassion fatigue. The roles of moral resilience and professional identity in influencing the psychological well-being of nursing interns ...
Ting Shuai   +4 more
semanticscholar   +1 more source

Advanced biological imaging techniques based on metasurfaces

open access: yesOpto-Electronic Advances
Advanced imaging techniques have been widely used in various biological studies. Currently, numerous imaging modalities are utilized in biological applications, including medical imaging, diagnosis, biometrics, and fundamental biological research ...
Yongjae Jo   +3 more
doaj   +1 more source

Clinicopathological features of histological transformation from extranodal marginal zone B‐cell lymphoma of mucosa‐associated lymphoid tissue to diffuse large B‐cell lymphoma: an analysis of 467 patients

open access: yesBritish Journal of Haematology, 2016
A. Maeshima   +9 more
semanticscholar   +1 more source

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