Results 151 to 160 of about 5,269,631 (254)

Bragg crystal monochromators

open access: yesMajor Reference Works, Page 290-301., 2021
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
John P. Sutter C. Chantler   +2 more
wiley  

+1 more source

Fiber optical parametric amplification of optical combs for enhanced performance and functionality

open access: yes
We demonstrate the inherent suitability of fiber optical parametric amplifiers (FOPAs) to the amplification of optical combs, combining gain, spectral shaping, frequency translation, effective spectral broadening and low noise ...
Petropoulos, P.   +2 more
core   +1 more source

Nonlinear dynamics induced by optical injection with a frequency comb

open access: yes, 2020
International audienceIn this work we analyze experimentally and theoretically the nonlinear dynamics of a semiconductor laser injected with an optical frequency comb.
Doumbia, Y   +4 more
core   +1 more source

Digital signal processing techniques for noise characterization of lasers and optical frequency combs: A tutorial

open access: yesAPL Photonics
Performing noise characterizations of lasers and optical frequency combs on sampled data offers numerous advantages compared to analog measurement techniques. One of the main advantages is that the measurement setup is greatly simplified. Only a balanced
Jasper Riebesehl   +4 more
doaj   +1 more source

Further fragmentation of Timonius (Rubiaceae): reinstatement of Abbottia based on morphology and molecular sequence data

open access: yesNordic Journal of Botany, EarlyView.
The circumscription of the Paleotropical dioecious and species‐rich genus Timonius Rumph. ex DC. nom. cons.has long been based on a restricted combination of morphological features, namely valvate corolla aestivation and drupes bearing multiple, free, single‐seeded pyrenes. Previous studies, focused on different taxonomic problems in tribe Guettardeae,
Jayson G. Chavez   +2 more
wiley   +1 more source

The European honey buzzard (Pernis apivorus) as an ally for the control of the invasive yellow‐legged hornet (Vespa velutina nigrithorax)

open access: yesPest Management Science, Volume 81, Issue 4, Page 2237-2247, April 2025.
The predatory effect of the honey‐buzzard affects the reproductive performance of Asian‐hornet colonies, decreasing the density of workers over distance and time. The foraging distances of the honey‐buzzard concentrates within the first 2000 m from nest, which supports the results observed.
Jorge Ángel Martín‐Ávila   +3 more
wiley   +1 more source

Natural Polysaccharides for Rheumatoid Arthritis Therapy: Mechanism, Drug Delivery and Clinical Application

open access: yesPhytotherapy Research, EarlyView.
Schematic overview of the experimental models, therapeutic mechanisms, drug delivery systems, and clinical potential of natural polysaccharides in rheumatoid arthritis. ABSTRACT Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized primarily by chronic synovitis.
Luxin Li   +14 more
wiley   +1 more source

Beyond Initial Adoption: How Lean Six Sigma Is Sustained, Adapted, and Used in the U.S. Textile and Apparel Industry

open access: yesQuality and Reliability Engineering International, EarlyView.
ABSTRACT This study examines how Lean Six Sigma (LSS) currently functions in the U.S. textile and apparel industry after years of adoption and use. Moving beyond isolated project‐level evidence, this study investigates whether LSS has been implemented as an organizational capability and integrated into the corporate culture, adapted to textile‐specific
Alireza Vahedi Fakhr   +2 more
wiley   +1 more source

Hatching and fledging? A meta‐analysis of the performance effects of business incubators

open access: yesStrategic Entrepreneurship Journal, EarlyView.
Abstract Research Summary Business incubators are among the most widely implemented instruments to foster entrepreneurship. Yet empirical evidence on their effectiveness remains fragmented and often contradictory. Limited research systematically compares how different types of incubators influence multiple venture performance outcomes, including ...
Jorge‐Vinicio Murillo‐Rojas   +2 more
wiley   +1 more source

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