Optical and electrical properties of a spiral LED filament
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/39/2/024003
Abstract: This paper introduces a new type of spiral white light-emitting diodes (WLED) filament with high luminous efficiency and uniform optical performance. The optical and thermal properties of the flexible filament were investigated at different stretching… read more here.
Keywords: spiral led; optical electrical; filament; luminous flux ... See more keywords
Spectral control of the orbital angular momentum of a laser beam based on 3D properties of spiral phase plates fabricated for an infrared wavelength.
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DOI: 10.1364/oe.396199
Abstract: This paper examines the spectral properties of a spiral phase plate (SPP) generating orbital angular momentum (OAM) beams. A simple method is proposed for calculating the resulting OAM by measuring only two maximum expansion coefficients.… read more here.
Keywords: spiral phase; orbital angular; angular momentum; properties spiral ... See more keywords
Properties of Spiral-Like Close-to-Convex Functions Associated with Conic Domains
Sign Up to like & getrecommendations! Published in 2019 at "Mathematics"
DOI: 10.3390/math7080706
Abstract: In this paper, our aim is to define certain new classes of multivalently spiral-like, starlike, convex and the varied Mocanu-type functions, which are associated with conic domains. We investigate such interesting properties of each of… read more here.
Keywords: properties spiral; associated conic; spiral like; conic domains ... See more keywords