Laser Focus World articles from October 2004

Laser Focus World archives from October 2004

Fiberoptic fallout reaches far.(editor's desk)
October 1, 2004... The announcement by start-up Infinera (Sunnyvale, CA) that it is nearing the first real-world application of its monolithic indium phosphide--based photonic integrated-circuit technology (see Optoelectronics Report, Sept. 15, 2004, p. 5) again...

Conventional lasers do the job for cytometry.(Letters)(Letter to the Editor)
October 1, 2004... I write with regard to the article, "Semiconductor lasers shed new light on flow cytometry" (August, p. 69), which described semiconductor lasers for flow cytometry. On the whole I found the article informative, presenting a succinct and fairly...

Fractal zone plates produce fractal intensity distributions.(newsbreaks)
October 1, 2004... A group at the Universidad Politecnica de Valencia (Valencia, Spain) has proposed a new kind of Fresnel zone plate that has a fractal zonal structure, which produces an axial focus distribution that has fractal qualities for monochromatic...

Double tunneling barrier suppresses dark current in QDIP.(newsbreaks)
October 1, 2004... For use with long-wave IR light, quantum-dot IR photodetectors (QDIPs) have a relatively high dark current resulting from thermionic emission and field-assisted tunneling. The existing techniques for reducing the dark current also reduce the...

Miniature atomic clock uses MEMS fabrication techniques.(newsbreaks)
October 1, 2004... The smallest atomic-frequency references reported to date have a volume of 1 [cm.sup.3] but dissipate several watts of electrical power. Unfortunately, high power consumption and poor frequency stability prohibit the use of these portable...

Tin oxide nanoribbons become optical waveguides.(newsbreaks)
October 1, 2004... Chemists at the University of California-Berkeley and the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley, CA) have demonstrated that semiconductor nanoribbons can serve as optical waveguides, potentially for...

Simple autocorrelator measures microscope pulse broadening.(newsbreaks)
October 1, 2004... Ultrafast lasers provide the high peak intensities needed for multiphoton techniques in nonlinear optical microscopy. But the optics in the microscope itself can broaden the femtosecond pulses, reducing nonlinear excitation efficiency. Various...

Single-cell photonic-crystal laser is electrically driven.(newsbreaks)
October 1, 2004... A single-cell, low-threshold-current, electrically driven photonic-crystal laser has been demonstrated by researchers from the physics department of the Korea Advanced Institute of Science and Technology and from the Electronics and...

Pure isotopic carbon senses pressure in diamond-anvil cell.(newsbreaks)
October 1, 2004... Diamond-anvil pressure cells are built by polishing the tips of two diamonds and then applying force, producing high pressure in a sample placed between the polished surfaces. By illuminating the sample with laser light through the diamond,...

SNOM photolithography produces 20-nm features.(newsbreaks)
October 1, 2004... Fabricating sub-30-nm features on semiconductor chips via photolithography is normally considered the province of extreme-UV (EUV) lithography. While only a photomask-based approach like EUV can mass-produce chips, penlike writing approaches...

Glass reversibly softens under very low-power laser light.(newsbreaks)
October 1, 2004... Scientists at Ohio State University (Columbus, OH) have found that germanium selenium ([Ge.sub.x][Se.sub.1-x]) glass (which is used in the electronics industry) softens by nearly 50% when exposed to very low-level laser light and hardens back...

Algorithm detects non-watermarked digital forgeries.(Image Processing)
October 1, 2004... In 1919, a photograph was taken of Vladimir Lenin and Leon Trotsky standing in a crowd in Moscow's Red Square. When the same photograph was reprinted by the Soviet government half a century later, Trotsky--who had in the interim been exiled by...

Microsphere-doped acrylic rods mix colors.(optoelectronics world news)
October 1, 2004... Researchers at the University of Technology Sydney Department of Applied Physics (Sydney, Australia) have used doped acrylic rods to color-mix LEDS, producing superior white light when compared with mixing using plain acrylic rods. (1) Two...

Gold nanoclusters emit at discrete wavelengths.(optoelectronics world news)
October 1, 2004... Gold (Au) nanoclusters dissolved in water by researchers from the Georgia Institute of Technology (Georgia Tech) and Emory University (both of Atlanta, GA), and Furman University (Greenville, SC) behave like multi-electron artificial atoms,...

Vision systems improve road safety.(Automotive Optoelectronics)
October 1, 2004... Compact camera systems are making possible two advances in automotive safely. Engineers at Volvo have introduced the technology to monitor the blind spots near the rear of a car on either side of the vehicle, and developers at Delphi (Kokomo,...

Gas replaces solid-state in cell-phone flash.(optoelectronics world news)
October 1, 2004... The importance and popularity of a technological product is reflected in the amount of R&D going into it. Cell phones that contain a camera have become must-haves for millions, and their increasing popularity has spurred improvements in...

In situ laser diode replaces spark plug.(Laser Diodes)
October 1, 2004... Internal-combustion engines have been undergoing improvement for more than a century. In the design of gasoline engines, fuel-ignition techniques remain an area of concentration for development engineers. Ignition is traditionally performed by...

Hyperspectral imaging endoscope shows promise for in vivo cancer detection.(Minimally Invasive Medicine)
October 1, 2004... Despite the abundance of research in optical methods for in vivo canter detection, few commercial products are available to clinicians that provide both detection and treatment in the same instrument. This dual capability is a frontier being...

Silicon UV emitters are fabricated via CMOS.(Semiconductor Sources)
October 1, 2004... The quest to wring electrically produced light from silicon (Si) has resulted in several types of experimental emitters, including rare-earth-doped Si devices (see Laser Focus World April 2003, p. 19). Although none has been efficient enough...

Research center combines photonics and fluidics.(Optofluidics)
October 1, 2004... Optical systems are not as flexible as electronic systems, which can be arbitrarily reprogrammed to perform different tasks, but researchers at the California Institute of Technology (Caltech; Pasadena, CA), Harvard University (Cambridge, MA),...

Study of ice questions the origin of life.(Spectroscopy)
October 1, 2004... Based on Fourier-transform IR (FTIR) and laser-desorption laser-ionization mass-spectrometry studies of water ice at 10 to 15 K, Max Bernstein from NASA Ames Research Center (Moffet Field, CA) and other NASA researchers are finding evidence to...

Wireless pressure sensor is laser powered.(Optical Microsystems)
October 1, 2004... Researchers at Case Western Reserve University (Cleveland, OH) have demonstrated a high-temperature pressure sensor that requires no batteries or wires for communication or power. The device, which can measure ambient pressure at temperatures...

Femtosecond-laser tooth ablation promises less pain.(Ultrafast Lasers)
October 1, 2004... A visit to the dentist's chair is no one's favorite outing. This reality will change only when tooth treatment becomes less unpleasant--which, despite modern turbine drilling, has not yet happened. Now, a laser-based tooth treatment developed...

Next-generation accelerator to go 'cold'.(optoelectronics world news)
October 1, 2004... This event image was taken at the Stanford Linear Accelerator Center (SLAG; Menlo Park, CA) using the 307-megapixel COD in the SLAC Large Detector (SLD) vertex detector. (1) The view was along the beam line Of the SLAC Linear Collider (SLC),...

Neural network counts vehicle occupants.(Image Processing)
October 1, 2004... Freeway congestion and pollution levels continue to increase in the world's large cities; one possible solution is the addition of high-occupancy-vehicle (HOV) lanes to alleviate traffic congestion and encourage carpooling. Sometimes, however,...

Aculight combines 1400 laser diodes into one.(laser)
October 1, 2004... Aculight (Bothell, WA) has produced an external-cavity laser diode that combines the outputs from seven laser-diode bars, each containing 200 single-mode emitters, to generate 26 W of near-diffraction-limited light at 820 nm. Aculight...

nLight components chosen for laser weapons.(laser)
October 1, 2004... The U.S. Air Force has picked nLight (Vancouver, BC, Canada) to develop its next-generation laser weapon systems, which will generate $25 million in revenues through 2009. In the past year, nLight has secured about $6 million in defense...

Textron wins $50 million lidar contract.(laser)
October 1, 2004... Textron Systems (Wilmington, MA) was awarded a $49.9 million contract by the Air Force Research Laboratory's Directed Energy Directorate at Kirtland Air Force Base (Albuquerque, NM) for light detection and ranging (lidar) research. The...

NASA and MIT collaborate on space communications.(laser)
October 1, 2004... A NASA/MIT Lincoln Laboratory (Greenbelt, MD) team is working to forge the first laser communication link between Mars and Earth as part of NASA's Vision for Space Exploration. In 2010, the Mars Laser Communication Demonstration (MLCD) will...

Synoptics (Charlotte, NC), a division of Northrop Grumman, was awarded s $550,000 contract by the U.S. Air Force Research Laboratory.(Also in the news ...)
October 1, 2004... Synoptics (Charlotte, NC), a division of, Northrop Grumman was awarded a $550,000 contract by the U.S. Air Force Research Laboratory to develop a new capability to bond laser materials of different types, resulting in improved performance,...

Applied Optoelectronics (Sugarland, TX) acquired U.S. Patent 6,263,002 from Micron Optics (Atlanta, GA).(Also in the news ...)
October 1, 2004... Applied Optoelectronics (Sugarland, TX) acquired U.S. Patent 6,263,002 from (Atlanta, GA). The patent covers external-cavity diode-laser technology, in which one of the cavity mirrors is formed by optical elements not directly integrated on the...

General Atomics.(Also in the news ...)
October 1, 2004... General Atomics (San Diego, CA) has entered the industrial-laser market with a new class of high-peak-power, solid-state, Q-switched lasers. The Everest product line was created to offer high-speed, precision machining with the quality of...

University of Central Florida (Orlando, FL) optics researchers and students are the beneficiaries of a $24 million donation of intellectual property, equipment, and cash from Northrop Grumman.(Also in the news ...)
October 1, 2004... University of Central Florida (Orlando, FL) optics researchers and students are the beneficiaries of a $24 million donation of intellectual property, equipment, and cash from Northrop Grumman. The funds will boost the College of Optics and...

Novalux.(Also in the news ...)
October 1, 2004... Novalux (Sunnyvale, CA) appointed Jean-Michel Pelaprat as executive chairman. Pelaprat has more than 25 years of experience in the photonics industry, including 12 years at Coherent.

II-VI uses state funds to expand.(optics)
October 1, 2004... According to news reports, optics fabricator II-VI (Saxonburg, PA) is constructing what could be a $15 million building to house its expanding operations. The firm recently received $1.5 million in financing from Pennsylvania, $250,000 of which...

3M Precision Optics licenses technology for displays.(optics)
October 1, 2004... Prodisc Technology (Taiwan) will license several patents from 3M Precision Optics (Cincinnati, OH) to enhance microdisplay-based projection engines. The company has licensed 3M proprietary technology that unifies light from a point source and...

Maskless lithography systems enhances bio-nano research.(optics)
October 1, 2004... An SF-100 maskless photolithography system from intelligent Micro Patterning (St. Petersburg, FL) has been installed at Arizona State University's Center for BioOptical Nanotechnology in the Biodesign Institute. The SF-100 is a maskless...

APA Optics changes its name.(optics)
October 1, 2004... The shareholders of APA Optics (Minneapolis, MN) approved changing the company's name to APA Enterprises at the company's annual meeting in August. According to Anil Jain, president and CEO, the new name and logo are "consistent with the...

Spectrum Thin Films (Bohemia, NY) signed Blue Hill Optical Technologies (Canton, MA) as its sales agent for the Northeast Region of North America and to serve application-specific customers in other regions.(Also in the news ...)
October 1, 2004... Spectrum Thin Films (Bohemia, NY) signed Blue Hill Optical Technologies (Canton, MA) as its sales agent for the Northeast Region of North America and to serve application-specific customers in other regions. According to Tony Pirera, president,...

Kodak returns to CMOS business.(imaging & detector)
October 1, 2004... Eastman Kodak (Rochester, NY) is getting back into the commercial CMOS business with the purchase of National Semiconductor's imaging business, which develops and manufactures metal oxide semiconductor image sensor (CIS) devices. As part of...

Cambridge Display prepares for IPO.(imaging & detector)
October 1, 2004... Cambridge Display Technology (CDT; Cambridge, England) filed a registration statement with the U.S. Securities and Exchange Commission (SEC) relating to a proposed initial public offering (IPO) of its common stock on the Nasdaq Stock Exchange....

Spire targets terahertz for glucose monitor.(imaging & detector)
October 1, 2004... Spire (Bedford, MA) won a $99,677 Phase I Small Business Innovation Research contract from the U.S. Army Medical Research and Material Command based to carry out research toward development of a noninvasive blood-glucose monitor. Spire will...

Report pinpoints LED/OLED issues.(imaging & detector)
October 1, 2004... A report from Frost & Sullivan (London, England) finds that issues related to thermal management and electrostatic discharge in the manufacture of high-brightness light-emitting diodes (HBLEDs) continue to affect market growth. In addition, the...

Viking Systems (La Jolla, CA) acquired the assets of Lighthouse Imaging (Portland, ME) for a combination of cash and Viking stock.(Also in the news ...)
October 1, 2004... Viking Systems (La Jolla, CA) acquired the assets of Lighthouse Imaging (Portland, ME) for a combination of cash and Viking stock. Lighthouse's products, patent portfolio and services offerings include endoscopic instrumentation, optical...

Imalux.(Also in the news ...)
October 1, 2004... Imalux (Cleveland, OH), a medical device company preparing to market its Niris Imaging System based on optical-coherence-tomography technology, raised $3.7 million in the first close of its Series B round of $5 million....

Applied Imaging (San Jose, CA) has formed a subsidiary, called Circulating Tumor Cells.(Also in the news ...)
October 1, 2004... Applied Imaging (San Jose, CA) has formed a subsidiary, called Circulating Tumor Cells, to research, develop, patent, and commercialize new technology and products for detecting circulating tumor cells in peripheral blood samples.

ThreeFive Photonics tackles component integration issues.(fiberoptics)
October 1, 2004... ThreeFive Photonics (Houten, The Netherlands), a subsidiary of ASIP (Somerset, NIL has secured a US$2.5 million contract from SenterNovem, part of the Dutch Ministry of Economic Affairs. ASIP will partner with the COBRA Research School of the...

Ibsen Photonics gains grating patent.(fiberoptics)
October 1, 2004... Ibsen Photonics (Copenhagen, Denmark), a supplier of holographic phase masks, transmission diffraction gratings, and OEM spectrometer modules based on diffraction gratings, announced that it has been granted U.S. Patent 6,762,880, "Grating...

Good news for optical telecom suppliers.(fiberoptics)
October 1, 2004... The optical networking market will see double-digit growth from 2004 through 2006, according to a new study by KMI Research (Providence, RI), Optical Networking: Worldwide Equipment Markets Update for 2004. Among its significant findings, the...

NSF grant funds photonic-crystal fibers.(fiberoptics)
October 1, 2004... Henry Du and his research team at the Stevens Institute of Technology (Hoboken, NJ) have received a $1.3 million grant from the National Science Foundation to further develop and integrate photonic-crystal fibers (PCFs) with nanoscale...

Fabrinet (San Francisco, CA), all engineering and electromechanical manufacturing services company.(Also in the news ...)
October 1, 2004... Fabrinet (San Francisco, CA), all engineering and electromechanical manufacturing services company, signed a three-year volume supply agreement with Northlight Optronics (Jarfalla, Sweden). Fabrinet will provide module packaging and manufacture...

Zygo.(Also in the news ...)
October 1, 2004... Zygo (Middlefield, CT), a supplier of optical metrology instruments, precision optics and electro-optical design and manufacturing services, is planning to sell its vacant Westborough, MA, facility, netting $2 million in the process. According...

iolon (San Jose, CA), manufacturer of a full line of widely tunable products for telecom, CATV, medical, sensing, and test and measurement markets, has named Amino Engineering.(Also in the news ...)
October 1, 2004... iolon (San lose, CA), manufacturer of a full line of widely tunable products for telecom, CATV, medical, sensing, and test and measurement markets, has named Amino Engineering as its exclusive distributor in Israel. Under terms of the...

Doors of perception: 3-D sensors are enabling a new mode of imaging.(inside imaging)
October 1, 2004... Euclid and Archimedes didn't notice it, Newton missed it, and even Leonardo da Vinci didn't fully appreciate it--although he did notice that our two eyes have different views of the same sphere. It wasn't until 1838 that Charles Wheatstone...

Are government contracts a good thing?(business forum)
October 1, 2004... Q: How do venture capitalists (VCs) view a company that gets government R&D contracts? A: VCs usually do not like their companies to get government R&D contracts because they view it as a distraction from the task of developing the core...

Television and video look to planar-lightwave circuitry.(Comment)
October 1, 2004... The television/video industry has always had a need for transporting large volumes of video traffic, and video transport has been satisfied, so far, by using copper (coaxial) cables. Now the industry is migrating to higher-quality imaging (such...

Submicron photolithography opens new areas of holographic design.(Holography)
October 1, 2004... The development of new tools often generates new opportunities. From the juggernaut of electronics fabrication comes the emerging ability to produce planar diffractive structures with 100-nm pixelation and centimeter-scale spatial coherence....

Many variant lasers compete in the blue.(Blue Solid-State Lasers)
October 1, 2004... The market for low-power blue-emitting lasers (powers of 20 mW and below) is benefiting from the rise of small solid-state lasers. These lasers come in many forms, including laser diodes, diode-pumped solid state (DPSS) lasers, optically pumped...

Laser coding turns food packages into miniature billboards: barcodes were just the beginning. The bottles, boxes, bags, cans, cartons, and containers that keep our food and beverages fresh can now be imprinted with all kinds of tracking and marketing data.(Optoelectronics applications: marking & coding)
October 1, 2004... They may seem harmless to the consumer: those tiny adhesive labels affixed to each piece of fruit in the produce section of your local supermarket. But for years they have been the bane of produce packagers. Required by law, those innocuous...

Pushing the limits.(editor's desk)
October 1, 2004... Manufacturers of large-area imagers are pushing the limits of size and sensitivity as they rise to the challenge posed by high-end imaging applications that range from medicine to astronomy. In the first article in this Optoelectronics World...

Imagers grow to address specialized applications: from x-ray imaging to space telescopes, large-area imagers gain size and sensitivity to meet the demands of these unique markets.(Imaging)
October 1, 2004... While the world of imagers for consumer-level digital cameras has grown smaller--with devices now available in 0.1-in. formats--the world of large-area imaging is diverse and expanding. Imager size, resolution, sensitivity, and price all play a...

Image processing advances display metrology: increasingly sophisticated algorithms allow automated mura-defect detection for a wide variety of display types.(Imaging)
October 1, 2004... Production defect inspection of most display types--from automotive and avionics displays, to televisions, flat-panel displays, and projection systems--traditionally has been performed visually by human inspectors. This has started to change in...

Morphological operators aid nonlinear filtering of color images: in nonlinear filtering, each pixel in a color image is viewed as a three-dimensional vector. A set of color morphological operations has been developed to order the vector data.(Imaging)
October 1, 2004... Nonlinear filtering of color images is not as straightforward as nonlinear filtering of grayscale images. In a color image, the intensity value at each pixel location is not represented by a scalar value, but a vector composed of three...

Fiber-coupling of LEDs depends on emitter type.(Optics For Fibers)
October 1, 2004... Light-emitting diodes (LEDs) typically have either an edge-emitting or surface-emitting structure, each requiring different techniques for coupling into optical fibers. This division is most evident in the context of fiberoptic communication...

Fiber and wireless face off: the strengths of fiber and wireless are different, so while they are complementary in some markets, they compete in others. The marketplace is striking a balance between them to take advantage of their natural niches.(Optical networking: wireless versus fiber)
October 1, 2004... On the surface, fiberoptic and wireless communications seem on a collision course. Wireless is the healthiest part of a telecommunications industry still nursing the hangover from the bubble. Voice traffic is shifting to cell phones, and some...

Polarization metrology moves beyond 'home-brewed' solutions: sophisticated measurements, such as differentiating between the fast and slow axes of a waveplate, are imperative in many modern applications.(Testing Optics)
October 1, 2004... An ever-present engineering challenge in high-volume product development is to find the least expensive components with specifications that are "just good enough" for a product to function within specification when assembled. This task has been...

Pyroelectric detectors.(new products)
October 1, 2004... The LMM series of low-microphonics pyroelectric detectors from InfraTec reduce detector noise caused by mechanical vibration by 20 times, allowing the detectors to be used for more sensitive applications. Another line of high-gain detectors has...

LED array.(new products)
October 1, 2004... A UV LED array has a peak wavelength of 375 nm with a radiant flux of 254 mW when driven at a maximum peak current of 300 mA. The Shark OLTH-00280-UV contains 50 die in a TO-66 package that has a standard half-max viewing angle of [+ or -]...

Carbon dioxide lasers.(new products)
October 1, 2004... The Axialscan -30/BO C[O.sub.2] lasers are designed for materials processing applications. Spot size is about one-third that of standard systems. The BO 100 has field sizes from 100 x 100 mm to 500 x 500 mm. The BO 300 covers from 300 x 300 mm...

IR camera.(new products)
October 1, 2004... The ThermaCAM P65 infrared camera for IR inspection applications includes up to 30 s of voice recording with each image using Bluetooth wireless technology. It has FireWire connectivity, allowing the transfer of digital video at up to 800...

Laser-marking additive.(new products)
October 1, 2004... DataLaser MasterBatch is a new coding, marking, and printing additive that can be added directly to the polymer to be extruded or injection molded. It is a nontoxic, environmentally friendly additive that produces a positive image when marked...

Recirculating chillers.(new products)
October 1, 2004... The 6000 Series chillers provide advanced protection for lasers, plasma-etching equipment, EDM machines, and CNC lathes. The recirculating chillers are designed to instantly alert users when process parameters such as fluid temperature, fluid...

Photonic-crystal fiber.(new products)
October 1, 2004... A new family of ytterbium-doped PCF (photonic-crystal fiber) products offers an alternative to existing Yb-doped dual-clad step-index fibers for fiber-laser applications. The new F-DC dual-clad fibers allow higher output-power levels in a...

Spectral-measurement system.(new products)
October 1, 2004... The OL 756 high-accuracy UV-VIS spectral-measurement system is a compact, portable double-monochrometer system for spectral measurements over the 200- to 800-nm range. The system can perform solar spectral measurements ever the full range in...

Linear stage.(new products)
October 1, 2004... The ATS125 linear ball-screw stage travels up to 600 mm at speeds up to 600 mm/s. The side-sealed device has an integral brushless motor and a hard aluminum cover. It includes square-wave encoder output with a net resolution of 1 [micro]m for a...

Fiber cleanser.(new products)
October 1, 2004... FPF1 fiberoptic preparation fluid is a nonflammable, environmentally safe solvent for cleaning fibers after stripping and before fusion splicing or field termination. The fluid is double-filtered to 0.2 [micro]m. It dries without residue and...

Oscilloscope memory.(new products)
October 1, 2004... New memory options for the Infiniium 54830 series use deep-memory technology with depths up to 128 Mpts, allowing fast waveform capture of complex signals. The oscilloscopes, with bandwidths of 600 MHz and 1 GHz, can capture waveforms for time...

Material-qualification software.(new products)
October 1, 2004... Indico Pro software works with Lab-Spec Pro, QualitySpec Pro, and FieldSpec Pro instruments for material qualification and quantification. It allows the user to simultaneously analyze multiple parameters, and to easily store and recall the...

MEMS-based OSA.(new products)
October 1, 2004... An optical-spectrum-analyzer module includes a MEMS scanner that rotates to continuously change the wavelength reaching the photodiode. The module produces a 45-nm wavelength range from 1525 to 1570 nm, and it can achieve a scan rate of 2.6 ms....

Mux/demux modules.(new products)
October 1, 2004... A line of high-channel-count, scalable multiplexer/demultiplexer modules are based on thin-film-filter technology. The modules can he used in both mux/demux and in reconfigurable add/drop applications. Upgrades can he handled in 8- to...

Broadband light source.(new products)
October 1, 2004... The BWC-SLD-1D 1300-nm SLD broadband light source has a FWHM bandwidth broader than 100 nm with an output up to 10 mW and ripple less than 0.2 dB. It comes with an embedded isolator and high-precision controller to provide immunity from fiber...

High-NA fiber.(new products)
October 1, 2004... Optran Plus Advantage silica/silica optical fiber has a high numerical aperture of 0.30. It can accept 80% more than typical NA 0.22 fibers. Fibers are available for 160 to 1200 nm and 350 to 2500 nm. Core sizes for stock fibers range from 100...

Laser-diode stacks.(new products)
October 1, 2004... The LightStack family of high-power laser-diode stacks are designed for applications that require kilowatts of continuous-wave or quasi-continuous-wave power. The lasers are available in wavelengths of 808 and 940 nm and power levels up to...

Spectrophotometers.(new products)
October 1, 2004... The CHEMUSB2 series of spectrophotometers are PC-based UV-to-visible and visible-to-near-IR systems designed for chemical absorbance measurements. The systems include a spectrometer, a light source, and a cuvette holder in a package about the...