Development of a bimodal sensor based on upconversion nanoparticles and surface-enhanced Raman for the sensitive determination of dibutyl phthalate in food
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Food Composition and Analysis"
DOI: 10.1016/j.jfca.2021.103929
Abstract: Abstract Phthalate acid esters (PAEs) are commonly used as plasticizers in several products. Unfortunately, they can easily leak into the environment, foods and enrich in body, eventually cause harm to human health. Hence, a rapid… read more here.
Keywords: based upconversion; upconversion nanoparticles; enhanced raman; food ... See more keywords
Thulium laser at ∼2.3 μm based on upconversion pumping.
Sign Up to like & getrecommendations! Published in 2019 at "Optics letters"
DOI: 10.1364/ol.44.004071
Abstract: We report on novel upconversion (UC) pumping schemes for 2.3 μm thulium (Tm) lasers (the H43→H53 transition) based on a photon avalanche mechanism populating the intermediate metastable level (F43) acting as an effective ground state. The… read more here.
Keywords: upconversion pumping; based upconversion; laser based; laser ... See more keywords