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focal length News
Moiré Metasurfaces Extend Focal Length Tunability
TOKYO, Jan. 6, 2021 — Researchers form Tokyo University of Agriculture and Technology (TUAT) have demonstrated that moiré metalenses can tune focal length along a wider range than previously seen. Moiré metalenses are tiny patterned lenses composed of...
Innovative Design of Optical Systems Boosts Industrial Metrology
Jul 22, 2019 — Image sensor evolution has been extremely expansive since the first digital camera was created in 1975. In more recent years, increasing use of image sensors has rapidly driven camera chip evolution in many aspects: resolution, sensitivity,...
'Wheel Service' Relies on Imaging Technology
Apr 7, 2014 — Image-based bar-code reader helps NASCAR race teams feel more secure on their wheels. NASCAR teams go through a lot of wheels. A single team typically owns about 260 wheels, consisting of both single- and double-stem versions of the 15-in. steel...
Deformable Mirror Technology Aid
Jan 1, 2011 — Microelectromechanical systems (MEMS)-based deformable mirror provider Boston Micromachines Corp. (BMC) of Cambridge, Mass., announced that it has signed a consulting agreement with Bridger Photonics Inc. of Bozeman, Mont., to quantitatively assess...
Boston Micromachines, Bridger Photonics Sign Consulting Deal
CAMBRIDGE, Mass., Dec. 8, 2010 — Boston Micromachines Corp. (BMC) announced Monday that it has signed a consulting agreement with Bridger Photonics Inc. to quantitatively assess a new MEMS membrane deformable mirror (DM) design using BMC’s facilities. “We recognized...
The Building Blocks of Micro-Optical Systems Integration: A Primer
Dec 1, 2010 — Custom integration projects have specific performance requirements that a commercially available microscope alone cannot provide. Although microscope components are key to the product’s design and performance, selecting these parts can be...
Calibrating the Thermal Camera
Dec 1, 2009 — Thermal imaging, once the domain of the defense sector, is finding applications in a number of commercial and medical fields. As more manufacturers join the thermal camera business, the need to test these devices to recognized standards is becoming...
Micro Video Lenses Grow Up
Nov 1, 2009 — A few years ago, micro video lenses were used in machine vision almost exclusively for limited-space and low-resolution applications. But the ongoing reductions in size and cost of optical sensors, along with increases in pixel count, are allowing...
LightPath, Huanic Ink 2nd Contract
Aug 27, 2009 — Optical products maker LightPath Technologies Inc. of Orlando, Fla., said it has signed a contract with laser tool manufacturer Huanic Corp. to provide aspheric lenses for Huanic’s laser modules. LightPath will provide short-focal-length aspheric...
Holochip Backers Invest $2.7M
ALBUQUERQUE, N.M., Dec. 18, 2007 -- Holochip Corp., a maker of adaptive polymer lenses (APLs) with tunable focal lengths, announced that its funding round raised $2.7 million, led by venture capital firm ITU Ventures of Los Angeles. Holochip said the funds raised by the series A round...
Focusing from Infinity to Here, Almost
Jan 1, 2007 — What do cell phone camera users and eyeglass wearers have in common? Both could benefit from recent work by research scientist Hongwen Ren and optics professor Shin-Tson Wu of the University of Central Florida in Orlando, who are developing an...
University Group Reports Liquid Crystal Lens with Tunable Focus
Jul 1, 2004 — Researchers at the University of Central Florida in Orlando have reported the development of a liquid crystal lens with a focal length that can be tuned continuously from infinity to 0.6 m. They describe the device in the June 7 issue of Applied...
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April 2024
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