Focusing properties of vector Bessel–Gauss beam with multiple-annular phase wavefront
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DOI: 10.1016/j.ijleo.2017.11.050
Abstract: Abstract Focusing properties of vector Bessel–Gauss (BG) beam with multiple-annular phase wavefront is investigated by vector diffraction theory in this article. The multiple-annular phase wavefront modulation is given by a function of radial direction angle… read more here.
Keywords: properties vector; multiple annular; annular phase; phase wavefront ... See more keywords
Multiple annular plaques on a 9‐year‐old boy
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DOI: 10.1111/pde.13280
Abstract: A 9-year-old boy of Brazilian descent presented with a 9-month history of a persistent, asymptomatic skin eruption that had first appeared during the summer. Physical examination disclosed multiple bilateral and symmetrically distributed monomorphic annular plaques… read more here.
Keywords: old boy; boy; annular plaques; multiple annular ... See more keywords
sQuiz your knowledge! Multiple annular patches on a baby’s forehead
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DOI: 10.1684/ejd.2021.4074
Abstract: The patient was prescribed prednisolone at 30 mg/day and methotrexate at 20 mg/week, with moderate clinical and radiological improvement, and complete recovery of joint mobility. Systemic corticosteroids were gradually tapered to 5 mg/day and methotrexate… read more here.
Keywords: squiz knowledge; patches baby; annular patches; baby forehead ... See more keywords