Articles with "micro lens" as a keyword



Photo from wikipedia

3D-Printed Micro Lens-in-Lens for In Vivo Multimodal Microendoscopy.

Sign Up to like & get
recommendations!
Published in 2022 at "Small"

DOI: 10.1002/smll.202107032

Abstract: Multimodal microendoscopes enable co-located structural and molecular measurements in vivo, thus providing useful insights into the pathological changes associated with disease. However, different optical imaging modalities often have conflicting optical requirements for optimal lens design.… read more here.

Keywords: micro lens; printed micro; lens lens; design ... See more keywords
Photo by harpreetkaka from unsplash

Design and fabrication of square micro-lens array for integral imaging 3D display

Sign Up to like & get
recommendations!
Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2017.11.117

Abstract: Abstract Micro-lens array (MLA) with high aspect ratio, precise alignment and great uniformity of focusing are crucial to the integral imaging 3D display systems. In this work, we employed the square micro-lens array (SMLA) with… read more here.

Keywords: micro lens; integral imaging; imaging display; lens array ... See more keywords
Photo from wikipedia

Enhanced light extraction efficiency of chip-on board light-emitting diodes through micro-lens array fabricated by ion wind

Sign Up to like & get
recommendations!
Published in 2017 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2016.09.045

Abstract: Abstract Low light extraction efficiency (LEE) is a key challenge of chip-on board (COB) packaging light-emitting diodes (LEDs). In this paper, a facile preparation of micro-lens array was proposed based on the ion wind patterning.… read more here.

Keywords: light extraction; extraction efficiency; micro lens; ion wind ... See more keywords
Photo by andresurena from unsplash

Measuring the orientation of the flexural vibrations of a cantilevered microwire with a micro-lens fiber-optic interferometer

Sign Up to like & get
recommendations!
Published in 2018 at "Applied Physics Letters"

DOI: 10.1063/1.5021801

Abstract: Optical interferometers are powerful tools for studying the flexural vibrations of nano- and micro-mechanical resonators. When a cantilevered microwire vibrates along a direction away from the optical axis, the interference signal may not be optimal… read more here.

Keywords: microwire; flexural vibrations; vibrations cantilevered; micro lens ... See more keywords
Photo from wikipedia

Optimization of positioning technology of aspheric compound eyes with variable focal length

Sign Up to like & get
recommendations!
Published in 2019 at "AIP Advances"

DOI: 10.1063/1.5032268

Abstract: For single non-uniform surface compound eyes cannot achieve zoom imaging, resulting in poor imaging and other issues, a new type of aspherical artificial compound eye structure with variable focal length is proposed in this paper.… read more here.

Keywords: focal length; artificial compound; compound eye; micro lens ... See more keywords
Photo from wikipedia

Micro-Lens Image Stack Upsampling for Densely-Sampled Light Field Reconstruction

Sign Up to like & get
recommendations!
Published in 2021 at "IEEE Transactions on Computational Imaging"

DOI: 10.1109/tci.2021.3099636

Abstract: Due to hardware restriction, it is costly to capture densely-sampled Light Fields (LFs) with high angular and spatial resolution, which becomes the main bottleneck of LFs development. In this paper, we propose a learning-based framework… read more here.

Keywords: micro lens; sampled light; image; densely sampled ... See more keywords
Photo from wikipedia

Diffractive micro-lens array (DLA) for uniform and selective picosecond laser treatment.

Sign Up to like & get
recommendations!
Published in 2023 at "Biomedical optics express"

DOI: 10.1364/boe.488024

Abstract: Picosecond Nd:YAG lasers using diffractive optical elements (DOE) and micro-lens arrays (MLA) have widely been used in dermatology for the treatment of pigmented lesions and skin rejuvenation. This study designed and developed a new optical… read more here.

Keywords: micro lens; laser; laser treatment; uniform selective ... See more keywords
Photo from wikipedia

Enhancement of the depth-of-field of integral imaging microscope by using switchable bifocal liquid-crystalline polymer micro lens array.

Sign Up to like & get
recommendations!
Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.030503

Abstract: An integral imaging microscopy (IIM) system with improved depth-of-field (DoF) using a custom-designed bifocal polarization-dependent liquid-crystalline polymer micro lens array (LCP-MLA) is proposed. The implemented MLA has improved electro-optical properties such as a small focal… read more here.

Keywords: depth field; crystalline polymer; liquid crystalline; micro lens ... See more keywords
Photo from wikipedia

Fabrication of a light screen-aperture integrated flexible thin film micro-lens array for a biomimetic superposition compound eye.

Sign Up to like & get
recommendations!
Published in 2021 at "Optics express"

DOI: 10.1364/oe.442774

Abstract: Micro-lens array, an artificial compound eye vision system, provides a wide field of view and multi-perspective view. However, it has not been adopted as a computer vision application due to its limited visible range and… read more here.

Keywords: screen aperture; lens array; compound eye; micro lens ... See more keywords
Photo from wikipedia

Experimental Investigation on Form Error for Slow Tool Servo Diamond Turning of Micro Lens Arrays on the Roller Mold

Sign Up to like & get
recommendations!
Published in 2018 at "Materials"

DOI: 10.3390/ma11101816

Abstract: Slow tool servo (STS) assisted ultra-precision diamond turning is considered as a promising machining process with high accuracy and low cost to generate the large-area micro lens arrays (MLAs) on the roller mold. However, the… read more here.

Keywords: diamond turning; roller mold; tool; micro lens ... See more keywords
Photo from wikipedia

Fabrication of a Micro-Lens Array Mold by Micro Ball End-Milling and Its Hot Embossing

Sign Up to like & get
recommendations!
Published in 2018 at "Micromachines"

DOI: 10.3390/mi9030096

Abstract: Hot embossing is an efficient technique for manufacturing high-quality micro-lens arrays. The machining quality is significant for hot embossing the micro-lens array mold. This study investigates the effects of micro ball end-milling on the machining… read more here.

Keywords: array mold; micro lens; micro; hot embossing ... See more keywords