Stable elastic wave band-gaps of phononic crystals with hyperelastic transformation materials
Sign Up to like & getrecommendations! Published in 2017 at "Extreme Mechanics Letters"
DOI: 10.1016/j.eml.2016.11.007
Abstract: Abstract The elastic wave band structure in a phononic crystal (PC) is usually affected by the deformations in its soft constituent phase. In this work, hyperelastic transformation materials are proposed in the design of PCs… read more here.
Keywords: elastic wave; hyperelastic transformation; transformation materials; wave ... See more keywords
Reflective astronomical telescopes with a large field of view and a wide wave band.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.456073
Abstract: Large-aperture ground-based astronomical telescopes are expected to have a large field of view (FoV) and a wide working wave band. We design two coaxial reflective telescopes based on a low-order even asphere and a high-order… read more here.
Keywords: astronomical telescopes; wave band; field view; large field ... See more keywords
3D single-pixel imaging at the near-infrared wave band.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.456922
Abstract: Focal plane detector array technology in the infrared wave band is expensive or underdeveloped, and the detection efficiency is low, while single-pixel imaging (SPI) offers better performance, such as ultrafast time response and high quantum… read more here.
Keywords: pixel imaging; near infrared; infrared wave; wave band ... See more keywords
Wave-band-tunable optical fiber broadband orbital angular momentum mode converter based on dispersion turning point tuning technique.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.471904
Abstract: A wave-band-tunable optical fiber broadband orbital angular momentum (OAM) mode converter based on a helical long-period fiber grating (HLPFG) and dispersion turning point (DTP) tuning technique is demonstrated both theoretically and experimentally. The DTP tuning… read more here.
Keywords: broadband; wave band; optical fiber; mode ... See more keywords
1.3/1.4 µm dual-wave band dissipative soliton resonance in a passively mode-locked Bi-doped phosphosilicate fiber laser.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.480137
Abstract: We report the 1.3/1.4 µm dual-wave band dissipative soliton resonance (DSR) in a passively mode-locked bismuth-doped phosphosilicate fiber (Bi-PSF) laser. The low-water-peak Bi-PSF with two bismuth active centers associated with silicon and phosphorus supports the… read more here.
Keywords: fiber laser; dual wave; fiber; mode locked ... See more keywords