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microlens News
Photoacoustic Microscopy Promises Quick 2D Imaging of Tissue
PASADENA, Calif., Aug. 20, 2020 — A research team led by Lihong Wang of the California Institute of Technology has developed a two-dimensional multifocal optical resolution photoacoustic microscopy (MFOR-PAM) system using a 2D microlens array for optical excitation, and an acoustic...
Liquid Crystal Microlenses Enable 4D Imaging
NANJING, China, Nov. 25, 2019 — Researchers from Nanjing University have developed a portable, inexpensive, and easy-to-use microlens to acquire 4D images. 4D imaging provides 3D resolution as well as polarization information. Wei Hu, Yan Qing Lu, and colleagues used liquid...
Auffarth, Blumenkranz Named to Presbia Boards
DUBLIN, Aug. 5, 2015 — Presbia PLC, an ophthalmic device company, has appointed Dr. Gerd Auffarth to its Board of Directors and Dr. Mark Blumenkranz to its Medical Advisory Board. Dr. Auffarth is the director of the International Vision Correction Research Center and the...
Diffractive Catheter Enhances OCT Imaging
BALTIMORE and SEATTLE, March 12, 2014 — A new imaging catheter that enables real-time, ultrahigh-resolution OCT imaging at 800 nm to form a 3-D volumetric dataset could potentially improve image contrast via increased light scattering and less tissue absorption.
Nanoscale gold boosts infrared detection
TROY, N.Y. – For the past decade, state-of-the-art infrared photodetectors have been based on MCT, or mercury cadmium telluride, technology, which offers strong signal sensing but is associated with various drawbacks, such as its suboptimal signal-to-noise ratio...
‘Microlens’ Enhances IR Satellite Imaging
Troy, N.Y., May 25, 2010 — Researchers from Rensselaer Polytechnic Institute have developed a new nanotechnology-based ’microlens’ that uses gold to boost the strength of infrared imaging and could lead to a new generation of ultra-powerful satellite cameras and...
Efficient and uniform illumination with microlens-based band-limited diffusers
Apr 12, 2010 — Uniform illumination over a certain target area is a common requirement in many applications, and oftentimes schemes must be devised to ensure that this requirement is achieved. In display systems, for example, light that illuminates a viewing...
Simpler, more cost-effective biosensing
GÖTEBORG, Sweden – There are two challenges facing optical label-free biosensing, especially for clinical applications, according to Alexandre Dmitriev of Chalmers University of Technology.< “The system should be able to work in physiological fluids –...
Lighting, Display Veterans Join Rambus
LOS ALTOS, Calif., March 11, 2010 – Premier technology licensing company Rambus Inc. announced that Dr. Kieran Drain and Mr. Marc McConnaughey have joined the company as vice presidents of its Lighting and Display Technology group. Drain will join the company as the vice...
DNA Lenses Drive Night Vision
MUNICH, April 24, 2009 – Nocturnal mammals have adapted to the challenges of their lifestyle by developing unique distributions of DNA in the sensitive rod photoreceptors of their eyes, with the nucleus of each rod acting as a sort of microlens, an international team...
Making a Microlens Array with Micromirrors
Apr 1, 2008 — The best way to make a microlens may be to use a micromirror, according to researchers from the University of Texas at Austin. Associate professor Shaochen Chen and graduate student Yi Lu used a commercial digital micromirror device as a dynamic...
Researchers Recreate Insect's Eye in Lab
BERKELEY, Calif., May 1, 2006 -- Using the eyes of insects such as dragonflies and houseflies as models, a team of bioengineers at the University of California, Berkeley, has created a series of artificial compound eyes that could be used to make ultrathin camera phones or wearable...
Two Imaging Elements Create One Multipattern Mask
Aug 1, 2005 — Inspired by a species of thousand-eyed, ocean-dwelling brittle star, investigators at the University of Pennsylvania in Philadelphia, Massachusetts Institute of Technology in Cambridge and Bell Labs in Murray Hill, N.J., have demonstrated that two...
CCDs Promise 85 Percent Peak Quantum Efficiency
Nov 1, 2003 — Although the line between the functionality of CMOS and CCD imaging sensors has blurred for many applications, there are still times when one is a more optimum solution. Consider, for example, higher-performance scientific, astronomical and medical...
(14 results found)
May 2024
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