Treatment of Refractory Melasma in Asians With the Picosecond Alexandrite Laser.
Sign Up to like & getrecommendations! Published in 2020 at "Dermatologic Surgery"
DOI: 10.1097/dss.0000000000002612
Abstract: BACKGROUND/OBJECTIVES The picosecond Alexandrite laser was studied in our practice with the diffractive lens array and the flat optic to treat melasma. METHODS AND MATERIALS Sixty patients with melasma were treated in a prospective investigation… read more here.
Keywords: diffractive lens; treatment; alexandrite laser; picosecond alexandrite ... See more keywords
Efficient computation of 2D point-spread functions for diffractive lenses.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.59.000445
Abstract: Diffractive lenses, such as Fresnel zone plates, photon sieves, and their modified versions, have been of significant recent interest in high-resolution imaging applications. As the advent of diffractive lens systems with different configurations expands, the… read more here.
Keywords: computation; diffractive lenses; diffractive lens; point spread ... See more keywords
Tunable two-element diffractive lenses with optimal bandwidth utilization.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.472896
Abstract: Previous work has shown that a set of two diffractive optical elements arranged in series can form a diffractive lens with variable optical power that can be tuned by relative rotation of its two sub-elements… read more here.
Keywords: tunable two; two element; phase; sub elements ... See more keywords
Resonance-domain diffractive lens for the terahertz region.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.002384
Abstract: Diffractive optics has long served as the basis of spectroscopic measurements of materials. Operation in the resonance domain further allows these elements to achieve high efficiency and polarization control. An effective grating theory is a… read more here.
Keywords: resonance domain; terahertz region; optics; diffractive lens ... See more keywords
Machine learning enables the design of a bidirectional focusing diffractive lens.
Sign Up to like & getrecommendations! Published in 2023 at "Optics letters"
DOI: 10.1364/ol.489535
Abstract: Machine learning can efficiently empower the inverse design of cascaded diffractive optical elements. In this work, we explore the inverse design of a bidirectional focusing diffractive lens in a cascaded configuration through the diffractive optical… read more here.
Keywords: focusing diffractive; design bidirectional; machine learning; diffractive lens ... See more keywords
Ultra-compact, high-NA achromatic multilevel diffractive lens via metaheuristic approach
Sign Up to like & getrecommendations! Published in 2021 at "Photonics Research"
DOI: 10.1364/prj.427523
Abstract: Recently, the multilevel diffractive lenses (MDLs) have attracted considerable attention mainly due to their superior wave focusing performance; however, efforts to correct the chromatic aberration are still in progress. Here, we demonstrate the numerical design… read more here.
Keywords: ultra compact; multilevel diffractive; compact high; diffractive lens ... See more keywords
Design, Fabrication and Analysis of a Hybrid-Order Monolithic Imaging Diffractive Lens on a Germanium Substrate
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14030657
Abstract: Diffractive optical elements are gradually replacing some conventional optical elements and becoming a key component of optical systems due to their unique phase modulation function. However, the imaging performance will be reduced due to the… read more here.
Keywords: order monolithic; diffractive lens; monolithic imaging; design ... See more keywords