Laser Focus World articles from December 2003

Laser Focus World archives from December 2003

Showing signs of life?(editor's desk)
December 1, 2003... According to figures just released, the U.S. economy grew at an annualized rate of 7.2% in the third quarter of 2003--an increase in gross domestic product (GDP) greater than any since the first quarter of 1984 and the broadest-based gain in...

Ytterbium tungstate laser reaches 14 W.(newsbreaks)
December 1, 2003... Engineers at Spectra-Physics (Mountain View, CA) have achieved record output-power levels from a continuous-wave laser that is based on a ytterbium tungstate (Yb:KGW) laser rod. The device, which has active thermoelectric (TE) cooling of the...

Dots-in-a-well detector senses at three IR wavelengths.(newsbreaks)
December 1, 2003... Researchers at the University of New Mexico (Albuquerque, NM) and Georgia State University (Atlanta, GA) have created a cryogenically cooled three-color indium arsenide/indium gallium arsenide (InAs/InGaAs) quantum-dots-in-a-well photodetector...

Jet-printed transistor array will become backplane for low-cost displays.(newsbreaks)
December 1, 2003... Bringing inexpensive web-processed flat-panel displays closer reality, researchers at Xerox PARC (Palo Alto, CA) have developed the first plastic semiconductor transistor array entirely pattern using jet printing, a process aimed at replacing...

Light may hold ball lightning together.(newsbreaks)
December 1, 2003... Ball lightning has been a mystery throughout the ages, with some people skeptical even of its existence. Photos and many eyewitness accounts, however, verify its existence; the challenge for researchers has been to try to figure out how a...

Near-field photoluminescence spectroscopy provides first exciton mapping.(newsbreaks)
December 1, 2003... Spatial resolution on the order of 30 nm, achieved with near-field photoluminescence spectroscopy, has enabled researchers in a multi-institutional collaboration led by the Kanagawa Academy of Science and Technology (Kawasaki, Japan) to map out...

Quantum-cascade photonic-crystal laser emits vertically.(newsbreaks)
December 1, 2003... The band structure of a semiconductor laser can be tailored electronically (quantum-cascade lasers) or photonically (photonic-crystal resonant cavities); research at Lucent Technologies (Murray Hill, NJ), California Institute of Technology...

Subwavelength grating may become variable reflector.(newsbreaks)
December 1, 2003... Subwavelength gratings are interesting in that they can affect the light passing through them without the creation of diffraction orders; infrared grid polarizers are one example. Now, researchers at Sandia National Laboratories (Albuquerque,...

Silica aerogel shows promise for optical power limiting.(newsbreaks)
December 1, 2003... Silica aerogel is an ideal optical material for nonlinear optical applications such as optical power limiting, say researchers at Hampton University (Hampton, VA), Sogang University (Seoul, Korea), the U.S. Army Research Laboratory (Adelphi,...

Ultraviolet LED relies on quantum dots.(newsbreaks)
December 1, 2003... Quantum dots (QDs) have the potential to replace quantum wells in light-emitting diodes (LEDs), resulting in more-stable spectral output as a function of temperature. Scientists at Hokkaido University (Sapporo, Japan), Nippon EMC (Tokyo, Japan)...

Correction.(Correction Notice)
December 1, 2003... The technology described in the Newsbreak "Liquid-crystal lens focuses electrically" (Aug. 2003, p. 11) was actually previously developed by researchers at the Samara Branch of the Lebedev Physical Institute of the Russian Academy of Sciences...

Lasers shed light on Stonehenge secrets.(optoelectronics world news)(Cover Story)
December 1, 2003... Two British archaeology ventures are using three-dimensional (3-D) laser scanning to discover and illuminate eroded stone etchings at Stonehenge (Wiltshire, England see figure, left). Working with a low-power laser rangefinder and an imaging...

Wayne Knox to give LFW keynote address.
December 1, 2003... "The New Era of Ultrafast Manufacturing" will be the focus of the keynote presentation given by Wayne Knox at the annual Laser Focus World Market-place Seminar, to be held Jan. 26, 2004, in San Jose, CA, during Photonics West. Knox, a pioneer...

Fresnel phase shifts allow phase matching.(Nonlinear Crystals)
December 1, 2003... Researchers at the French aerospace research agency Onera (Toulouse, France) have made a significant breakthrough in the field of mid-IR (8 to 12 [micro]m) optical parametric sources by developing a new phase-matching scenario in nonlinear...

2003 ICALEO is the largest ever.(Conference Review)
December 1, 2003... The 22nd International Congress on Applications of Lasers & Electro Optics (ICALEO; Oct. 13-16, Jacksonville, FL) hosted by the Laser Institute of America (Orlando, FL) showed great vitality, with more than 450 attendees and presenters from 23...

Buried waveguides may improve microbioanalysis.(Bio-Optics)
December 1, 2003... Researchers at National Cheng Kung University and Southern Taiwan University (both of Tainan, Taiwan) have developed several techniques that may make a promising microchip bioanalytical technology practical. These include improved control of...

Bright source of entangled photons aids teleportation research.(Quantum Light Sources)
December 1, 2003... Recent progress toward realizing the key technological elements needed for long-distance, high-fidelity quantum-bit teleportation was described in an invited paper by Jeff Shapiro of MIT (Cambridge, MA) at the 2003 OSA Frontiers in Optics...

German laser project gives vital results.(Femtosecond Lasers)
December 1, 2003... This is the first of two parts that discuss this extensive study of femtosecond lasers. The second part will be published in next month's issue. A German project on femtosecond-laser technology and applications--established in 1999 and...

Instrument fine-tunes large LED screens.(Scientific CCDs)
December 1, 2003... Light-emitting-diode (LED) screens with millions of pixels are now common at large stadiums and arenas, channeling images of replays to sports fans and pop-singer grimaces to cancertgoers. An LED billboard was recently erected by CocaCola at...

Universities win $17 million EUV grant.(Extreme-Ultraviolet Lithography)
December 1, 2003... FORT COLLINS, CO--Three leading U.S. research universities have received a $17 million National Science Foundation (NSF) grant to develop laser-driven light sources for extreme ultraviolet (EUV) lithography. The technology is being developed...

Livermore laser targets battlefield environment.(Diode-Pumped Solid-Staet Lasers)
December 1, 2003... An engineering team at Lawrence Livermore National Laboratory (LLNL; Livermore, CA) led by Bob Yamamoto has taken steps toward meeting a "$150 million challenge" from the U.S. Army Space and Missile Defense Command to deliver a mobile field...

Mesh paves the way for higher-sensitivity spectroscopy.(Surface Plasmons)
December 1, 2003... You can only get so much light through a hole--unless it is a very small hole and you can access surface plasmons. James Coe at Ohio State University (Columbus, OH) and coworkers have found metal meshes that transmit more IR light than is...

Effective science teaching requires a scientific teaching method.(Optics Education)
December 1, 2003... The biennial international conference on Education and Training in Optics and Photonics (ETOP) was held concurrent with this year's annual meeting of the Optical Society of America. Carl Wieman, a Nobel laureate, JILA Fellow and University of...

Hands-On Optics grant targets middle-school students.(optoelectronics world news)
December 1, 2003... The National Science Foundation (NSF) has awarded a $1.7 million grant to the International Society for Optical Engineering (SPIE), the Optical Society of America (OSA), the Math, Engineering, Science and Achievement (MESA Program and the...

Optical scientists explore links to societal priorities.(Research And Development)
December 1, 2003... The unifying physics that allows optic scientists and engineers to understand each other at interdisciplinary scientific meetings differs significantly from the widely varying applications that interest potential funding agencies for optical...

SEO sells off two more businesses, relocates.(laser industry report)
December 1, 2003... Schwartz Electro-Optics (Orlando, FL), which has been in Chapter 11 bankruptcy reorganization since May, has now sold off most of its assets and relocated to new offices in the Central Florida Research Park, adjacent to the University of...

Blue Sky Research now labs red laser diodes.(laser industry report)
December 1, 2003... Blue Sky Research (Milpitas, CA), a manufacturer of lasers and laser systems, has expanded its in-house semiconductor foundry capabilities to include the production of three new 635-nm red laser diodes. According to the company, the release of...

Hitachi Digital Graphics acquires NanoVia.(laser industry report)
December 1, 2003... Hitachi Digital Graphics (San Jose, CA) has acquired patents and trademarks for high-speed laser-processing technology from NanoVia (London-derry, NH). The acquisition also includes the use of NanoVia's core development engineers and facilities...

EU commits major funds to photonics.(laser industry report)
December 1, 2003... According to a report from Reuters (Oct. 22, 2003), the European Union hopes to beef up anemic economic growth with $257.4 billion of public investment in transport and research projects between now and 2020. Satellites, lasers, microchips, and...

NLG--New Laser Generation.(Also in the news ...)
December 1, 2003... NLG--New Laser Generation(Teltow, Germany) has appointed Blue Hill Optical Technologies(Canton, MA) and Market Tech (Scotts Valley, CA) as distributors for its industrial and scientific laser Product lines in the United States and Canada....

Alfalight.(Also in the news ...)
December 1, 2003... The U.S. Department of Defense's (DOD) Defense Advanced Research Projects Agency (DARPA) has awarded Alfalight (Madison, WI) $3.9 million in R&D funding under the DARPA Super High Efficiency Diode Source program, which is investigating new...

nLight Protonics.(All in the news ...)
December 1, 2003... DARPA also awarded nLight Protonics (Vancouver. WA), a manufacturer of high-power laser diodes, a $5 million research and development contract to improve the efficiency of high-power laser diodes.

Thirty-meter telescope gets $17.5 million.(laser industry report)
December 1, 2003... The Gordon and Betty Moore Foundation (San Francisco, CA) awarded $17.5 million to fun a detailed design study of the Thirty-Meter Telescope (TMT) project.This new grant allows the California Institute of Technology (Pasadena,CA) and its...

Fresnel wins patent lawsuit over lens design.(laser industry report)
December 1, 2003... the United States Dirstrict Court for the Northern District of Texas, Fort Worth Division, has ruled that security system component supplier Rokonet Industries USA infringed Fresnel Technologies' (Fort Worth, TX) U.S. patent RE 35,534. Rokonet...

MEMS firm to buy integrated optics company.(laser industry report)
December 1, 2003... MEMSCAP (San Jose,CA) has entered into a definitive agreement to acquire Opsitech (Grenoble, France). A spin-off from the French Laboratoire d'Electronique et des Technologies de l'Information (LETI) of the Commissariat a l'Energie Atomique...

Schott gains access to EUV lithography patents.(laser industry report)
December 1, 2003... Schott Lithotec USA (Poughkeepsie, NY) signed a license agreement with the EUV LLC consortium (Santa Clara, CA) that gives Schott access to patents in the area of extreme ultraviolet (EUV) lithography and the right to use the research results...

Lily selects Cyntellect high-throughput system.(laser industry report)
December 1, 2003... Eli Lilly and Company (Indianapolis, IN) has selected the Laser Enabled Analysis and Processing (LEAP) system from Cyntellect (San Diego, CA) to implement high-throughput RNA interference(RNAi)studies for evaliation of target gene function....

SphereOptics-Hoffman.(Also in the news)
December 1, 2003... SphereOptics-Hoffman (Contoocook, NH) has appointed ROSH Electropics (Netanya, Israel) as its exclusive distributor in Israel. The company will market and sell the complete line of SphereOptics products, including integrating spheres, Light...

Laser Optical Engineering.(Also in the news)
December 1, 2003... Laser Optical Engineering (LOE) has moved into purpose-built facilities at Loughborough University's Innovation Centre (Loughborough, England). LOE, a spin-out from the university, develops laser metrology and beam-shaping equipment and offers...

Moritex Europe.(Also in the news)
December 1, 2003... Moritex Europe (Cambridge, England) has introduced macro CCD lenses for area inspection and alignment-measurement applications including 300-mm wafers, color filters, and liquid-crystal glass, The company says the new lenses provide better line...

PerkinEImer, Amersham in patent dispute.(imaging & detector industry report)
December 1, 2003... PerkinElmer (Wellesley, MA) filed a lawsuit against Amersham Biosciences (Piscataway, NJ) alleging that Amersham is infringing on PerkinElmer's patent for imaging systems that use CCD-based optical imaging technology. The complaint comes two...

FLIR to buy Indigo Systems for $190 million.(imaging & detector industry report)
December 1, 2003... FLIR Systems (Portland, OR) and Indigo Systems (Goleta, CA) have entered into a definitive agreement whereby FLIR will acquire indigo Systems for $190 million in stock. Indigo security holders will receive cash consideration of approximately...

Color Kinetics.(Also in the news ...)
December 1, 2003... (Boston, MA), a developer of intelligent LED-based illumination technologies, has been awarded a U.S. patent (6,624,597) covering the application of LED illumination for machine-vision systems. According to Color Kinetics, controlling the...

Aprilis (Maynard, MA), a manufacturer of holographic media and data storage systems.(Also in the news ...)
December 1, 2003... Aprilis (Maynard, MA), a manufacturer of holographic media and data storage systems, signed a global service and supply agreement with Dow Corning Photonics whereby Dow will supply Aprilis with materials for its proprietary holographic storage...

Universal Display (Ewing, NJ), a developer of organic light-emitting diode (OLED) technologies for flat-panel display, lightning, and other optoelectronic applications, received a Phase II, $750,000 award.(Also in the news ...)
December 1, 2003... Universal Display (Ewing, NJ), a developer of organic light-emitting diode (OLED) technologies for flat-panel display, lightning, and other optoelectronic applications, received a Phase II, $750,000 award from the U.S. Department of Energy...

The Beckman Laser Institute.(Also in the news ...)
December 1, 2003... (Irvine, CA) at the University of California-Irvine is using a $7 million grant from the National Cancer Institute to speed development of diffuse optical imaging for cancer detection and diagnosis and creat laser-based imaging devices that...

Intel Raman system used for cancer research.(imaging & detector industry report)
December 1, 2003... Intel (Santa Clara, CA) and the Fred Hutchinson Cancer Research Center (Seattle, WA) are collaborating on a research effort to apply Intel's expertise in Raman spectroscopy to develop improved methods of studying, diagnosing, and preventing...

Srico wins optical-detection contract.(imaging & detector industry report)
December 1, 2003... Srico (Columbus, OH) has been awarded a U.S. Army Small Business Technology Transfer contract to develop new optical technology to improve signal transmission in chemical and biological detection systems. The contract is worth $100,000 for six...

Corning, IBM to partner on optical interconnects.(fiberoptics industry report)
December 1, 2003... Corning (Corning, NY) and IBM (Yorktown Heights, NY) will collaborate with the U.S. Department of Energy and the National Nuclear Security Administration on a $20 million project to develop high-speed, optically switched interconnects for...

AFOP to buy Taiwanese photonics business.(fiberoptics industry report)
December 1, 2003... Alliance Fiber Optic Products (AFOP; Sunnyvale, CA), a supplier of fiberoptic components, subsystems, and integrated modules for the optical-network equipment market, signed a definitive agreement to acquire substantially all of the assets of...

Albis relaunches OptoSpeed photodiodes.(fiberoptics industry report)
December 1, 2003... Following its acquisition of the photodiode business of former Opto Speed, Albis Optelectronics (Ruschlikon, Switzerland) has relaunched a product portfolio of photodiode chips and receiver subassemblies. Albis will focus on the development of...

Arroyo to merge with Lightcross.(fiberoptics industry report)
December 1, 2003... Arroyo Optics (Santa Monica, CA), a manufacturer of flexible-wavelength management solutions for telecommunications equipment, and Lightcross (Monterey Park, CA), a manufacturer of silicon-based optical products for telecommunications...

How can we convince investors to stay with us?(business forum)
December 1, 2003... Q: I am entering into negotiations with VCs for the next round of financing for my optical telecom company. Our revenue projections cannot cover the burn rate required to maintain the capability to ship products. Any advice based on your...

Modern ray-tracing software simplifies virtual prototyping.(software & computing)
December 1, 2003... Starting with an optical-design proscription, engineers can quickly build a virtual prototype of an optical system that simulates the actual hardware. Unfortunately, many designers delay building a software model early in the concept phase...

'Past is prologue' for emerging illumination technologies.(market watch)
December 1, 2003... The last 100 years of lightingmarket history offers useful insights for newcomers, according to DARPA program manager Doughs Kirkpatrick. In an interview with Senior Editor Hassaun A. Jones-Bey he explains. LFW: Could you summarize the most...

Special effects: the field of nonlinear optics has revolutionized the applications of laser light. New develoments may make nonlinear devices commonplace.(Back to basics: nonlinear optics)
December 1, 2003... After decades of painstaking development the first commercial applications of nonlinear optics are now mature technologies. Systems based on second-harmonic generation, frequency tripling and quadrupling, and even parametric amplification are...

Confocal microscopy relies on a variety of lasers: traditionally using gas lasers to provide high-quality coherent light, confocal laser-scanning microscopes can also draw on diode, diode-pumped solid-state, and fiber-laser technologies.(Microscopes)
December 1, 2003... Confocal laser-scanning microscopy (CLSM) serves a variety of applications in the life-sciences market, including medical and cancer diagnostics as well as materials analysis. This microscopy technique draws on a wide range of laser...

Free-space optics builds invisible bridges: the push for better broadband access and tighter network security is creating new opportunities for FSO technologies in metro and wireless applications.(Optoelectronics applications: free-space communications)
December 1, 2003... Developed in the 1960s for military and aerospace applications, free-space optical communications (also known as free-space optics, or FSO) has had limited success in the commercial sector. Potential users have had a hard time overcoming the...

Grating beamsplitters grow in complexity: the diffractive-grating beamsplitter--in its primitive form a binary grating--has evolved in design to become a highly efficient multiphase-level grating that is tolerant of fabrication errors.(Diffractive Optics)
December 1, 2003... Beamsplitters are an ideal application for diffractive optics. The flexibility that is possible in the microstructure surface topography of the optic permits the creation of complex arbitrary patterns in the far field Beamsplitters have been...

New family of components emerge from arrayed waveguide gratings: designer are using AWGs to create a variety of components, raising the possibility of integrating complex functions into a single monolithic chip, interconnected by waveguides.(Optical networking: arrayed waveguides)
December 1, 2003... The arrayed waveguide grating (AWG) is a planar waveguide device that functions like a transmissive diffraction grating in bulk optics, diffracting light at angles that depend on the wavelength. Initially, it was developed mostly for...

Displacement-measuring interferometers provide precise metrology: semiconductor lithography has pushed displacement measurement to new limits, resulting in systems that offer high-speed angstrom-level resolution.(Position Sensors)
December 1, 2003... Since their inception in the mid-1960s, displacement-measuring interferometers (DMIs) have grown to become one of the most powerful tools for advanced position feedback. With development driven by the aggressive technology roadmap of the...

Self-initiated volume discharge pumps chemical lasers: the nonchain HF(DF) laser is a safe and conveniently operated chemical laser; it can be pumped by a discharge that forms and spreads automatically to fill the discharge volume.(Gas Lasers)
December 1, 2003... Hydrogen fluoride (HF)/deuterium fluoride (DF) chemical lasers--so-called HF(DF) lasers--are compact and efficient source of infrared radiation, with emission wavelength ranges of 2.6 to 3.4 um for HF and 3.5 to 4.4 [micro]m for DF. Some HF(DF)...

Taking stock.(editor's desk)
December 1, 2003... It can be easy to get overly absorbed by the details and minor setbacks of day-to-day life, especially when activities at work and home conspire to challenge our patience, management skills, and available time. So it pays once in a while to...

Breault, the leader in cutting-edge optical technology.
December 1, 2003... A Corporate Luminary Breault Research Organization, Inc. is an internationally acclaimed optical engineering firm. Breault meets the diverse needs of its clients by offering customized design, engineering, and analysis software, as well as...

A year of the extraordinary: single-atom lasers, tungsten photonic crystals, and other fundamental achievements vie for acclaim, along with commercial developments like visible fiber lasers, liquid lenses for cameras, and displays that capture images.(Technology Review 2003)
December 1, 2003... Most people understand that the well-worn Aesopian proverb,"Slow and steady wins the race," is flawed. Its laudable call to hard work ignores the fact that a flash of inspiration can move one scientist's research ahead of another's; a clever...

Sensors Unlimited, Inc.
December 1, 2003... Founded in 1991, Sensors, umlimited, Inc. is a US-owned company headquartered in Princeton, NJ, and recognized worldwide as the undisputed leadre in indium gallium arsenide (InGaAs) detector technology. As one of a select group of suppliers...

Advanced Photonix, Inc.
December 1, 2003... Advance Photonix is a leading supplier of innovative, silicon-based electro-optical products and technology solutions to a worldwide OEM customer based. Products include the patented Large Area Avalanche Photodiode (LAAPD) and FILTRODE[R] as...

Fibercore Limited.
December 1, 2003... The company Fibercore Limited is Europe's largest specialty optical fiber manufacturer. The company, a UK-based subsidiary of Scientific-Atlanta Inc., has more than 20 years' experience of manufacturing and developing specialist optical...

Dichroic optics.(new products)
December 1, 2003... A line of dichroic coatings and beamsplitters for separating the various harmonics of solid-state lasers includes short wave pass and long wave pass optics optimized for 1064, 532, 355, and 266 nm. The optics are designed for laser...

Beam expanders.(new products)
December 1, 2003... The off-axis mirror design of a range of laser beam expanders produce no central obscuration and better than [lambda]/5 wavefront distortion, thanks to surface accuracy of better than [lambda]/10. The devices use zero-expansion glassmirror...

Segmented photodiode.(new products)
December 1, 2003... The UV-SPOT position-sensing detector is a common substrate photodiode segmented into four separate active areas, with a gap of 0.005 in. between the elements. The sensor can obtain position information with a resolution of better than 0.1...

Vision systems.(new products)
December 1, 2003... he SBC50 series of OEM single-board industrial smart cameras can hold several programs in parallel. Available programs include a 2-D matrix library, OCR, alignment checker, a measurement toolbox, and thread inspection. The system offers 640 x...

Rotary air-bearing stage.(new products)
December 1, 2003... The ABR1000 rotary air-bearing stage uses a slotless, brushless motor with a magnetic circuit design to produce high torque with minimal heat generation. The design is inherently zero cogging and free of torque ripple. Coupled with feedback...

Wavefront sensor.(new products)
December 1, 2003... The AWS-50 wavefront sensor is based on an image multiplexing diffraction grating, which images two separate planes of the wavefront onto a CCD array. That allows the user to calculate Zernike polynomials or reconstruct the entire wavefront....

Visible fiber laser.(new products)
December 1, 2003... The visible Model ELP-775 fiber laser provides single-mode output from 5 to 30 W with wavelength options selectable between 770 to 780 nm. The laser has a beam quality of [M.sup.2] [ILLUSTRATION OMITTED]

Nonintensified CCD.(new products)
December 1, 2003... Based on Cascade CCD technology, the DVS-24 camera from Defence Vision Systems responds like an intensified CCD camera but isn't damaged by light spots and works in daytime applications. A gain management system can be automatic or manual. It...

Covega.
December 1, 2003... COVEGA Corporation was formed in March 2003 from the merger of CODEON Corporation and Quantum Photonics, Incorporated. COVEGA Corporation is a leading provider of components and integrated-optic subsystems to the cable television, data...

Rocky Mountain Instrument Co.: "applying science since 1957.".
December 1, 2003... RMI Optics Division Formed in 1957 as a manufacturer of traditional optical components, Rocky Mountain Instrument has evolved into one of the industry leaders in the design and manufacture of full spectrum (ultraviolet through far...

Spectroradiometers.(new products)
December 1, 2003... Miniature spectroradiometers include the Specbos 1100 UV for the 200- to 400-nm range, the 1200 with an internal pilot laser and automatic detection of the diffusor cap attachment, and the 1300 with a 50-mm-diameter integrating sphere for...

Free-space lasers.(new products)
December 1, 2003... The ChromaLASE series of free-space lasers include TE coolers and integrated drive, control, and monitor electronics. Two laser-diode modules provide 25-mW output at 635 and 405 nm. Both have noise less than 0.25% rms and beam-pointing...

Surveillance cameras.(new products)
December 1, 2003... The VC-C50i and VC-C50iR, the inverted ceiling-mount surveillance cameras capture images in low-light conditions and come with software that allows users to record video images remotely via a network connection. They have a large-aperture lens...

Motion analysis system.(new products)
December 1, 2003... The MotionBlitz motion analysis system captures fast events on a hard disk for slow-motion replay and analysis. The CMOS sensor has resolution up to 1280 x 1024 pixels, and the camera has a variable frame rate from 50 to 4000 frames/s. Images...

Optical adhesives.(new products)
December 1, 2003... Optical coupling gel is a two-part, transparent, silicone gel for refractive-index matching for silica-to-fiber and other optical junctions. Optical elastomer is a one-part silicone elastomer for refractive index shifting for silica-on-silicon...

Radiometer.(new products)
December 1, 2003... The cure ring radiometer for use with the company's UV and visible spot-curing systems measures the output power from a cure ring, which transforms a circular light spot to a 360[degree] light beam. The system is used in the assembly of medical...