Ultrathin freestanding terahertz vector beam generators with free phase modulation.
Sign Up to like & getrecommendations! Published in 2021 at "Optics express"
DOI: 10.1364/oe.413119
Abstract: Simultaneous control of phase and polarization offers a large degree of freedom to tailor the beam properties, for instance, enabling generation of structured beams such as vector beams and vector vortex beams. Here, we propose… read more here.
Keywords: vector; phase; generation; ultrathin freestanding ... See more keywords
Vector beam polarization rotation control using resonant magneto optics.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.458390
Abstract: Vector beam propagation through a four-level tripod atomic system has been investigated. The three transitions of the tripod atomic system are coupled by a strong control field and the two constituent orthogonally polarized components of… read more here.
Keywords: vector beam; control; optics; beam polarization ... See more keywords
Controllable high-speed rotated femtosecond cylindrical vector beam based on optical heterodyne interference.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.460710
Abstract: Structured light beams that possess unique polarization distribution could offer a new degree of freedom for a variety of applications, and hence its flexible polarization manipulation is necessary. Here we experimentally report a heterodyne interference-based… read more here.
Keywords: heterodyne interference; speed; cylindrical vector; femtosecond cylindrical ... See more keywords
Single-wavelength, single-shot pulse oximetry using an LED-generated vector beam.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.461871
Abstract: Photoplethysmography (PPG) is an optical technique that monitors blood oxygen saturation levels, typically with the use of pulse oximeters. Conventional pulse oximetry estimates the ratio of light absorbed at two wavelengths. Attempts have been made… read more here.
Keywords: vector beam; vector; pulse oximetry; single shot ... See more keywords
2 µm cylindrical vector beam generation from a c-cut Tm:CaYAlO4 crystal resonator.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.484875
Abstract: Different from the traditional ideal column symmetry cavities, we directly generated the cylindrical vector pulsed beams in the folded six-mirror cavity by employing a c-cut Tm:CaYAlO4 (Tm:CYA) crystal and SESAM. By adjusting the distance between… read more here.
Keywords: cylindrical vector; beam; vector beam; cut cayalo4 ... See more keywords
Vector beam generation from vertical cavity surface emitting lasers.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.005659
Abstract: Radially and azimuthally polarized beams in a single transverse mode are generated from a commercially available vertical cavity surface emitting laser (VCSEL) in an external cavity with a birefringent rutile lens, of which the c… read more here.
Keywords: surface emitting; cavity surface; cavity; vector beam ... See more keywords
Recording of a holographic cylindrical vector beam converter with a truncated cone prism.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.463323
Abstract: This Letter proposes a holographic cylindrical vector beam converter (HCVBC) design that incorporates a continuously polarization-selective volume hologram circular-grating. A specially designed truncated cone prism is adopted for recording, which is conducted with a single… read more here.
Keywords: cylindrical vector; beam; vector beam; holographic cylindrical ... See more keywords
Focusing a second-order cylindrical vector beam with a gradient index Mikaelian lens
Sign Up to like & getrecommendations! Published in 2020 at "Computer Optics"
DOI: 10.18287/2412-6179-co-633
Abstract: In this paper, we numerically simulate the focusing of a second-order cylindrical vector beam with a gradient index Mikaelian lens. It is shown that the lens forms a region of the reverse energy flow near… read more here.
Keywords: second order; order cylindrical; focusing second; vector beam ... See more keywords
High-Mode Purity 1 μm Cylindrical Vector Beam All-Fiber Laser Based on a Symmetric Two-Mode Coupler
Sign Up to like & getrecommendations! Published in 2023 at "Applied Sciences"
DOI: 10.3390/app13116490
Abstract: Cylindrical vector beams (CVBs) are the product of polarization modulation of optical fields, and possess both unique focusing characteristics and excellent properties applicable to machining, imaging, communication and other fields. Mode selection couplers comprise a… read more here.
Keywords: cylindrical vector; high mode; mode; vector beam ... See more keywords