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Violet and Blue Laser Diodes Make Strides Jun 1, 2003 — Short-wavelength lasers in the violet and blue spectral range are playing an important role in optical data storage and are receiving much attention in research centers around the world. In 1998, Osram Opto Semiconductors GmbH in Regensburg, Germany, began research on GaN-based blue laser diodes, and shortly thereafter a consortium was formed. Fraunhofer Institute for Applied Solid-State Physics and research groups from the Universities of Braunschweig, Regensburg, Stuttgart and Ulm joined this...
Photonics Spectra, Jun 2003
Violet Lasers Begin Mass Production in Japan Jun 1, 2003 — Nichia and Sony recently announced an agreement for mass production of blue-violet laser diodes for use in optical disc recording and playback. Violet laser development is not new at Nichia Corp. of Tokushima, Japan. In fact, the company is in its...
Photonics Spectra, Jun 2003
Lasers Play a Bigger Role in Biomedical Applications May 1, 2003 — The laser is now well-established as a critically enabling tool in biomedical applications that range from research and clinical work at the molecular level to direct human applications for medical conditions such as strokes.These techniques employ...
Photonics Spectra, May 2003
Getting the Small Picture Apr 1, 2003 — Anadigics Inc. of Warren, N.J., is a semiconductor company that helps provide the gift of gab -- and data, too. Its gallium-arsenide integrated circuits are used in both wired and wireless telecommunications systems, and although its products...
Photonics Spectra, Apr 2003
Tracking Nanoposition Advances Mar 1, 2003 — What works in the microworld very often doesn’t work in nanopositioning applications such as nano-imprinting, scanning microscopy, microlithography and automated alignment. End users will often need to rethink positioning strategies, including...
Photonics Spectra, Mar 2003
CCD Imaging: When Every Pixel Counts Feb 1, 2003 — With CCDs, production of a quality image remains their selling point, whether the sensors are used with a microscope, the Advanced Camera for Surveys (ACS) on the Hubble Space Telescope or your cell phone. In all cases, though, time is also of the...
Photonics Spectra, Feb 2003
Piezoelectric Motors Control Set-and-Hold Semiconductor Applications Feb 1, 2003 — Motion control applications in the semiconductor manufacturing industry range from mask and wafer alignment to laser beam steering and active pointing stabilization. Because these applications are "set and hold," with position first optimized and...
Photonics Spectra, Feb 2003
Seeking a Silicon Laser Feb 1, 2003 — Silicon microphotonics has boomed in the last few years. Many silicon-based devices have been demonstrated: waveguides, tunable optical filters, fast switches, fast optical modulators, fast CMOS photodetectors, photonic crystals and...
Photonics Spectra, Feb 2003
Coherent Inc. Jan 1, 2003 — A hands-free, single-box, ultrafast Ti:sapphire laser from Coherent Inc. in Santa Clara, Calif., the Chameleon provides femtosecond-pulse tuning from 720 to greater than 930 nm. Developed primarily for multiphoton excitation microscopy, this...
Photonics Spectra, Jan 2003
Point Source Jan 1, 2003 — The iFlex-2000 combines 405-nm laser diode technology with single-mode polarization-maintaining fiber to produce a pure Gaussian beam for high-resolution imaging applications. Many applications at this wavelength have been cost-prohibitive and...
Photonics Spectra, Jan 2003
Renishaw plc-Spectroscopy Products Div. Jan 1, 2003 — This instrument, a collaborative effort between Renishaw plc of Wotton-under-Edge, UK, and Nanonics Imaging Ltd. of Jerusalem, combines the chemical sensitivity of Raman spectroscopy with the ultrahigh spatial resolution of scanning probe, atomic...
Photonics Spectra, Jan 2003
Roper Scientific Inc. Jan 1, 2003 — Roper Scientific Inc. of Tucson, Ariz., designed and manufactured the CCD-based Photometrics Cascade camera for low-light live-cell microscopy. It enables microscopists to boost signal as much as 1000 times without the need for external...
Photonics Spectra, Jan 2003
Scanning Near-Field Optical Microscopy: Characterizing Nanostructures Dec 1, 2002 — As design rules for technologies used in applications as diverse as materials research and advanced data storage rapidly approach nanometer size, the hunt is on for simple and effective methods to characterize nanostructures. The ideal would be a...
Photonics Spectra, Dec 2002
Adaptive Optics Nov 1, 2002 — In confocal and multiphoton microscopy, light travels to the focal plane and excites fluorescence in the sample, and the fluorescence travels back through the optics to a detector. During this trip, the light meets different surfaces that introduce...
Photonics Spectra, Nov 2002
Strengthening Hot Dog Wrappers Oct 1, 2002 — Stuff assorted meat products, salt, potassium lactate, flavoring, hydrologized beef stock, sodium phosphate and sodium nitrite into a casing of ambiguous origin, and you have a preservative-laden hot dog that could probably last for years....
Photonics Spectra, Oct 2002
How Well Can Cameras Measure Color? Aug 1, 2002 — Video cameras find use in many automatic inspection applications, from checking the construction of automobiles to scanning microscope specimens for cancerous cells. Often it is important to inspect color as well as other attributes of a product;...
Photonics Spectra, Aug 2002
Photonic Crystals Jun 1, 2002 — Photonic bandgap crystals serve as a microcosm of the photonics industry: Although microscopic in structure, their versatility in manipulating photons could have a huge and pervasive impact on nearly all optical components and instrumentation,...
Photonics Spectra, Jun 2002
Broadband Spectrophotometry May 1, 2002 — Designing devices that incorporate ultrathin films is an important means of enhancing yields. However, characterizing ultrathin films can be extremely challenging for mainstream metrology tools such as ellipsometers, interferometers and...
Photonics Spectra, May 2002
Lasers Lighten the Laboratory Load Apr 1, 2002 — Laser manufacturers take note: A nonscientific survey indicates that scientists want a highly tunable turnkey laser with configurable pulse widths and repetition rates. It should be easily mode-locked, have good shot-to-shot and long-term stability,...
Photonics Spectra, Apr 2002
Excimers Smooth the Path to Well-Lubricated Bearings Mar 1, 2002 — Applications in the defense and aerospace industries have increased demands for spherical plain bearings that require less maintenance and that yield higher performance and longer life. These demands, in turn, have initiated the development of laser...
Photonics Spectra, Mar 2002
Specifying Injection-Molded Plastic Optics Mar 1, 2002 — The use of plastic optics continues to grow in popularity as optical design engineers discover the many ways these components can manage light. Plastic optical elements and systems appear in a wide spectrum of industrial and medical applications,...
Photonics Spectra, Mar 2002
Cameras Are Focusing on All Microscopy Applications Feb 1, 2002 — There is more going on in microscope cameras than meets the eye. Digital interfaces, as much as the demands of the applications, promise to deliver higher camera resolution and user-friendly operation. New CCD sensors under development should yield...
Photonics Spectra, Feb 2002
Diversity Powers Laser Market Jan 1, 2002 — In the past few years, telecommunications has received enormous attention in the laser industry and in the photonics press. While telecom applications continue to offer tremendous long-term potential for laser manufacturers, market diversity remains...
Photonics Spectra, Jan 2002
Laurin Publishing 2001 Photonics Awards Jan 1, 2002 — The Distinction in Photonics Award honors those individuals whose dedicated service over the years has contributed to the growth and prosperity of the photonics industry. The publishers and editors at Laurin Publishing are pleased to present the...
Photonics Spectra, Jan 2002
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...
Photonics Spectra, Nov 2001
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