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Microscopy News
Photoinduced Reflectivity Creates Near-Field Probes
Dec 1, 2001 — Transient-aperture probes generated with light promise high resolutions and near-video rates for near-field infrared microscopy. The technique, under development at the W.W. Hansen Experimental Physics Laboratory at Stanford University in Stanford, Calif., relies on photoinduced reflectivity in semiconductors. Researchers are using photoinduced reflectivity to produce probes for near-field infrared microscopy. In the setup, a masked laser pulse exposes a silicon substrate to visible light,...
Plasma Displays 0.12% Conversion Efficiency
Dec 1, 2001 — Laser-induced plasmas have emerged as potential sources of soft x-rays and extreme-UV light for applications in spectroscopy, microscopy and lithography. Now researchers at Max Born Institute for Nonlinear Optics and Spectroscopy in Berlin and at...
Recordable CDs Are Source of Gold Substrates
Dec 1, 2001 — Hua-Zhong Yu isn't burning mixes of MP3s from Napster with his stacks of recordable CDs. An assistant professor in the department of chemistry at Simon Fraser University in Burnaby, British Columbia, Canada, Yu is investigating recordable CDs as a...
Spectra Determine Fruit Ripeness
Dec 1, 2001 — If you have ever bought the "perfect" piece of fruit from the grocery store only to have it rot the next day, you know how tough it can be to find fruit that is ripe enough to eat -- but not overripe. Research being conducted at the University of...
A Practical Guide to Digital Microscopy
Nov 1, 2001 — Now that the dust has begun to settle around the issue of digital cameras replacing film for imaging applications in microscopy, several areas of interest have emerged. The following is an overview of the key considerations in the use and selection...
Brittle Star Features Calcite Lenses
Nov 1, 2001 — It has five arms and thousands of eyes, wears an armored plate and has been around for 500 million years. No, it's not a monster from a 1950s grade-Z sci-fi movie, but the brittle star Ophiocoma wendtii. And it may lead researchers to develop new...
CARS Moving Beyond the Lab
Nov 1, 2001 — New research promises to take a technique that combines Raman spectroscopy and multiphoton three-dimensional microscopy beyond the research lab. Pioneered by Sunney Xie's group at Pacific Northwest National Laboratory in Richland, Wash., in 1999,...
Microscope Offers Portable Raman
Nov 1, 2001 — Raman imaging just got a little easier. For the past couple of years, the department of chemistry at Purdue University in West Lafayette, Ind., has offered chemists, pharmacists and engineers the use of its near-infrared Raman imaging microscopy...
Sensor Array, Light Source or Both?
Nov 1, 2001 — Chemists are not content with detecting one or two chemical species within a sample. They prefer, when possible, to measure everything at once. This demand has generated a number of array-based detector technologies, including optical methods that...
LightLab Imaging Begins Human Studies of OCT for Optical Biopsy
Oct 19, 2001 — WESTFORD, Mass., Oct. 19 -- LightLab Imaging L.L.C. began a first round of human studies of its optical biopsy forceps and the latest generation of its optical coherence tomography (OCT) ultra high-resolution imaging platform. The study, being...
A Basement Full of Lasers
Oct 1, 2001 — It's a short walk from the third floor of the Welch Building on the University of Texas campus to the basement of the Engineering Science Building. That's enough, however, for mid-August in Austin to work its magic. Temperatures above 100 make the...
Laser Writes Microlenses on Polyethylene
LEON, Mexico -- Electronics isn't the only technology where smaller is better. The same is true for infrared optical systems, where microlenses and diffraction gratings improve system performance. Traditionally, these microelements have been constructed using...
Laser Yields Tiny Bubbles of Boron
IBARAKI, Japan -- Don Ho is known for his "Tiny Bubbles in the Wine," but a research group is staking a claim to bubbles of boron. By synchronizing a laser-induced plasma with a radio-frequency-modulated plasma, the scientists have created tiny hollow balls of...
Quantum Dots Optically Code Biomolecules
BLOOMINGTON, Ind. -- Chemists at Indiana University have taught quantum dots to fear water. And that's a good thing. For the past three years, several research groups have developed these nanometer-scale, semiconductor-based crystals as a potential alternative to the...
Solid Electrolysis Offers <50-nm Near-Field Probes
Oct 1, 2001 — A team of researchers from the University of Basel in Switzerland and from Karl-Franzens University in Graz, Austria, has produced aperture probes for near-field optical microscopy using controlled all-solid-state electrolysis. The technique, which...
Daily News Briefs
Sep 27, 2001 — Soft Imaging System opened a new office in Australia July 1st to provide greater product support for the Australian and New Zealand microscopy markets. Based in Adelaide, South Australia, the office will assist existing sales partners of Soft...
Welch Allyn Offers Solarc 24W Fiber Optic Light Modules and Light Engines to Medical and Industrial OEMs
Sep 18, 2001 — SKANEATELES FALLS, N.Y., Sept. 18 -- Welch Allyn, Inc.'s Lighting Products Division now offers Solarc 24 W fiber optic light modules (LM24) and light engines (LE24) to medical and industrial OEMs. Based on Welch Allyn's Solarc lighting technology,...
Axsys Integrated Systems Ships 2,000th Microscope Autofocus System
Sep 14, 2001 — SANTA BARBARA, Calif., Sept. 14 -- Axsys Technologies, Inc.’s Integrated Systems announced it recently shipped its 2,000th LaserTrac, a tracking autofocus system for optical microscopes. Recent technology advances to the LaserTrac include an air...
Microspheres Identify Odors
MEDFORD, Mass. -- MEDFORD, Mass. -- For anyone who has trouble telling when the milk has gone bad, help may be on the way, thanks to an artificial nose that is under development at Tufts University ...
Mad City Labs, Inc. Introduces the Nano-F100 Nanopositioner
Aug 30, 2001 — MADISON, Wis., Aug. 30 -- Mad City Labs, Inc. introduces the Nano-F100 focusing element nanopositioner with sub-nanometer accuracy under closed-loop control. The Nano-F100 offers an alternative for z-motion in microscopy applications and can be used...
Daily News Briefs
Aug 29, 2001 — Mad City Labs, Inc. adds to their Nano-Bio series of dual and triple axis nanopositioning systems. The Nano-Bio3100 offers a new ultralow profile with 100 µm of motion in each of its three axes. Coupled with a generous through hole, the Nano-Bio3100...
LMG Introduces UV Laser Scanning Microscope and Inspection System
Aug 3, 2001 — NORCROSS, Ga., Aug. 3 -- Light Management Group Inc., developer of new applications in optical and light technologies employing sound waves, announced the next in its series of acousto-optic products: The UV laser scanning microscope and inspection...
Corral Sculpts Surface States
TOULOUSE, France -- TOULOUSE, France -- While pursuing an understanding of the factors influencing the photonic local density of states that determines electromagnetic interactions near a surface, a research team has designed a structure that can manipulate these...
Crystal Finds a Home in Lasers
RZBURG, Germany -- RZBURG, Germany -- Researchers at the University of Würzburg have employed a two-dimensional photonic crystal as a mirror in a ridge waveguide laser, an advance that they say could usher in the development of on-chip lasers for integrated...
Photonics GmbH Announces Availablility of Beamsplitter
Aug 1, 2001 — Munich, Germany, August 1 -- Photonics GmbH announced that its Microimager beamsplitter module for simultaneous dual emission imaging is ready for delivery. The Microimager creates two spectrally different images on the CCD chip, allowing the...
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July 2024
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