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Photonics Spectra - October 2013


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Features
Excimer-Laser Metrology Improves Lithography Process Control Process- and technology-specific correlations can be established for better process control, and to prevent excursions. As Moore’s law marches on, semiconductor manufacturers rely on advances in photolithography – the use of 193-nm ArF excimer lasers, for example, coupled with optical and process techniques to improve resolution and reduce patterning variations. Recent examples of...
Optics for DPSS Lasers: Finding a Balance Building efficient, reliable DPSS lasers requires optics with low loss and excellent stability – but these optics can’t drive up the cost. Reduced demands on pump power, thermal...
How Wedge and Decenter Affect Aspheric Optics A look at the geometric parameters of aspheres and how they differ from those of spherical optics as well as the metrology techniques required to quantify those parameters in manufacturing Driven by...
GDD Measurements Boost Ultrafast Laser Performance Easy group delay dispersion measurements improve results in applications such as laser amplifiers, optical coatings, harmonic generation, bioimaging and microscopy. “Dude, where’s my...
MicroLED Sources Enable Diverse Ultralow-Power Applications A brush with the second law of thermodynamics can increase a product’s on-shelf appeal – and more. The drive toward LED-based lighting has resulted in the development of devices with...
Editorial
Modern Expeditions Echo the Past After being turned down for funding by the kings of Portugal and England for a voyage in search of a new route to the spice-rich Orient, Christopher Columbus found the support he needed from King Ferdinand and Queen Isabella of Spain. While he didn’t find Asia, he did discover a continent mostly unknown to Europeans at the time, setting world history on a new course. Modern-day treks have...
Workforce of Tomorrow
Valuable Training Through Industry-Based Projects Most people agree that students can’t really learn practical workplace skills from a textbook any more than you can learn to ride a bicycle by watching the Tour de France on television. Learning professional skills and behavior requires practice, preferably through interaction with industry mentors. Internships are ideal but often difficult to arrange for every student who needs one. We...
Startup Insights
Have Faith and Go for It ‘There is never a good reason to not try; there is never a certainty of failure. Having your own business is far less risky than being an employee.’ – Mike Morris, founder of Ocean Optics Inc. and Spectrecology Mike Morris founded Ocean Optics Inc. in Florida in 1989 and led the company through two private equity investments, two acquisitions, the start of Ocean Thin Films and...
Lasers In Use
Laser safety: A university perspective Nearly every genre of scientific research has a niche where the laser is used. And, much as radioactive materials have transitioned from physics to biology, laser research techniques are invading arenas of science not traditionally seen as “laser territory.” In addition to broader research applications, the increases in quality, variety, flexibility, efficiency, tuning and power have...
Laser Safety
Laser safety: A university perspective Nearly every genre of scientific research has a niche where the laser is used. And, much as radioactive materials have transitioned from physics to biology, laser research techniques are invading arenas of science not traditionally seen as “laser territory.” In addition to broader research applications, the increases in quality, variety, flexibility, efficiency, tuning and power have...
Tech Pulse
Light stopped for a minute At 186,000 miles per second, the speed of light is unparalleled, so slowing it down is a formidable challenge – and stopping it seems impossible. But physicists in Germany report using a glasslike crystal to stop light for about one minute, which could have important implications for light-based data processing. Thomas Halfmann and colleagues at the Institute of Applied Physics at the...
Control could make random lasers useful Random lasers, with their very irregular angular emission pattern, are difficult to tune. But a team at Vienna University of Technology has theoretically shown that random lasers can be controlled by...
On-chip squeezed light could improve sensors A microchip-based way to create squeezed light could assist a range of precision measurements and provide a viable route toward real-world on-chip sensor applications and technology. Monitoring a...
Superman crystal ‘can secure the last evidence of civilization’ Nanostructured glass could be the key to storing vast quantities of information on a single disc for more than a million years. A new technology uses a femtosecond laser to record digital text in 5-D...
‘Embedded eigenvalue’ holds promise for sensors, lasers, more There are several ways to confine light, but a new approach uses two waves of the same length, but exactly opposite phases, to cancel each other out, allowing light of other wavelengths to pass...
Photodetector discerns polarized light intrinsically Few photodetector materials can discern polarized light directly without a grate or a filter, but a newly created carbon-based broadband photodetector demonstrates intrinsic polarimetry. A team from...
Nanowafer tunable for optimal light absorption A nanoengineered wafer that can be optimally tuned for light absorption is the thinnest, most efficient absorber of visible light to date, report engineers at Stanford University. “Achieving...
2-D semiconductors demonstrate universal light absorption law A simple law of light absorption observed in 2-D semiconductors could make exotic new optoelectronic and photonic technologies a reality. Many of today’s semiconductor technologies hinge upon...
Sensor converts mechanical pressure to light signals A new sensor device uses thousands of nanowires to convert mechanical pressure into light signals that can be captured and processed optically. Applications for the sensor could include biological...
light speed
3 Questions Interview Light is critical to life day in and day out, but John Dudley leads a group that wants to celebrate light for the entire year of 2015. Dudley, from South Auckland, New Zealand, holds Bachelor of Science and Ph.D. degrees from the University of Auckland. In 2000, he was named a professor at the University of Franche-Comté in Besançon, France, and currently heads its Optoelectronics...
Congress meets photonics As part of the National Photonics Initiative (NPI), Rep. Ron Barber met with students, faculty and local business leaders at the University of Arizona in Tucson for a day this summer to discuss the...
Zeiss lens garners EISA award The Zeiss Touit 2.8/12 camera lens for mirrorless system cameras has been named European Compact System Lens of the Year by The European Imaging and Sound Association (EISA). “We wanted to open...
OSA system tracks government-funded research The Optical Society (OSA) of Washington has implemented a service that enables easy reporting of funding sources for scholarly research articles published in its peer-reviewed journals. The FundRef...
SPIE Photonics West set to keep growing When SPIE Photonics West hits San Francisco in 2014, it will bring a bigger wave of attendees than ever, organizers predict: 20,000. Those attendees will have access to a variety of industry-focused...
Photonics firm a finalist in Nokia sensing contest A firm founded by University of California, Los Angeles, professor Aydogan Ozcan and his students has made it to the final round of a $2.25 million international competition for companies improving...
Mitsubishi Electric delivers focus unit to telescope The prime focus unit, a major component of the Hyper Suprime-Cam (HSC) prime focus camera newly installed in the Subaru Telescope on the Big Island of Hawaii, was delivered by Mitsubishi Electric...
Moves & Expansions QuickTurn Optics, a rapid prototyping service for custom optical assemblies and components, is now available from JML Optical Industries of Rochester, N.Y. The service allows the components to be...
NSF grants bolster tech training programs The National Science Foundation (NSF) has awarded funding to photonics education programs with the goal of increasing the number of qualified technicians available in the workforce. $3.5 million in...
People In The News Bruker Corp. of Billerica, Mass., has named Thomas Bachmann as president of its BioSpin Group, which operates the Magnetic Resonance Spectroscopy and Preclinical Imaging divisions. Bachmann, who has...
Patents Dolby Laboratories of San Francisco has acquired the rights to an innovative imaging patent portfolio from the Max Planck Institute for Informatics in Saarbrücken, Germany. The technology...
Collaborations Bandgap Engineering Inc.’s nanotextured silicon solar cell has demonstrated a 0.3 percent efficiency boost over standard solar cells and is expected to be 1 percent more efficient when fully...
Photonics pros love their work, survey shows The percentage of respondents reporting high job satisfaction surpassed last year’s 82 percent in SPIE’s new salary survey of the global optics and photonics community. This year’s...
GreenLight
Plasmonics boosts performance in polymer LEDs, solar cells Using carbon-dot-supported silver nanoparticles to produce a surface plasmon resonance effect can boost the performance of both polymer LEDs (PLEDs) and polymer solar cells (PSCs) while keeping their structure simple. Most semiconducting optoelectronic devices – including solar cells, LEDs, photodiodes and semiconductor lasers – are based on inorganic materials. But these raw...
Lighter Side
Lidar could help pilots avoid turbulence You’re cruising calmly in an airplane – admiring the view, relaxing with a book or catching up on sleep – when wham! The plane hits turbulence, and your relaxing ride is ruined. Clear-air turbulence, or CAT, is practically unpredictable, unlike other kinds of turbulence, which can be caused by mountain ranges or brewing storms – things pilots can avoid. Invisible air...
Products
IR Camera INO (National Optics Institute) has released the HRXCAM-2048, a high-resolution IR 2048 × 1536-pixel camera core with 8.5-μm pixel pitch for use in surveillance. The camera uses an uncooled microbolometer detector for imaging in the longwave infrared (LWIR) range. The 1024 × 768-pixel array, combined with a lightweight microscanning catadioptric lens, provides...
INO
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Optical Polishing Pitch Meller Optics Inc.’s Gugolz optical polishing pitch is available in five hardness grades for blocking, lapping and polishing of hard to soft optics. Made from all-natural wood resin to...
Meller Optics Inc.
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Telecentric Lens System The miniMML telecentric lens system from Schott features a 15-mm low-profile body for machine vision applications including microelectronics and nanoelectronics manufacturing. The system...
MORITEX North America Inc.
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Silicon Photon Counters id Quantique is offering two new detectors in its id120 series of high-quantum-efficiency photon counters. Based on a silicon avalanche photodiode that is sensitive in the visible spectral range, the...
ID Quantique
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Pyroelectric Energy Sensors Models PE50BB-DIF-C and PE50-DIF-ER-C pyroelectric pulsed laser sensors from Ophir Photonics, a Newport Corp. brand, complete its PE-C line. The sensor family is designed for a broad range of...
MKS Ophir, Light & Measurement
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Portable Spectrometer Spectral Evolution’s SM-3500 spectrometer is suited for screening applications in manufacturing facilities, warehouses, hospitals, pharmacies and field locations for the detection of...
Spectral Evolution Inc.
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Solid-State Lasers The Helios series of subnanosecond solid-state lasers from Coherent Inc. is suited for applications including scribing of thin-film and crystalline-silicon solar cells, dicing of silicon wafers, and...
Coherent Inc.
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Frame Grabber Epix Inc.’s PCIe/104 x4 Gen2 frame grabber acquires from dual deca cameras or from four base cameras. The interface transfers data to the host processor in bursts of 20 Gb/s for image capture...
EPIX Inc.
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Optical Measuring Device The V-CAD rapid, a 2-D optical measuring device from Dr. Heinrich Schneider Messtechnik GmbH, can be positioned freely in the coverage field, delivering measurements in seconds. The device...
Dr. Heinrich Schneider Messtechnik GmbH
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Raman Analyzer Software Rigaku Raman Technologies has released software enhancements for its Xantus-2 dual-wavelength portable Raman analyzer. The Xantus-2 version 3.0.0.0 software includes a redesigned account...
Rigaku Analytical Devices Inc.
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Safety Eyewear Iridian Spectral Technologies Ltd.’s LaseReflect LRG10 glasses mitigate the effects of laser pointers, which can cause dangerous distractions or even temporary blindness for airline pilots,...
Iridian Spectral Technologies
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Metrology System Coherix Inc. has enhanced its ShaPix metrology family with the addition of the 1500 series. Geared toward a broader range of industries and a more diverse set of users, it uses multiwavelength...
Coherix Inc.
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USB 3.0 Camera Point Grey Research Inc. has added the GS3-U3-60S6 model to its Grasshopper3 camera family. Featuring CCD sensors with a USB 3.0 interface, it is suitable for applications including flat panel...
Teledyne FLIR Integrated Imaging Solutions
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Laser Welding Workstation LaserStar Technologies has released the 7800 series open laser welding workstation for a variety of common spot and seam welding applications, including general welding of large parts, plastic...
LaserStar Technologies Corp.
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Vibration-Isolating Table Newport Corp. has expanded its line of Integrity VCS vibration isolating optical tables with 40 3-ft-wide standard models with 6- or 8-ft standard-length options. The compact systems are suitable for...
MKS/Newport
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Dielectric Broadband Mirrors Optics Balzers AG has released Diflex 1100 and 2000, dielectric high-reflectivity broadband mirrors for manifold applications including laser optics and biophotonics. The mirrors are...
Materion Balzers Optics
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Laser Series JDSU’s two new series of lasers, ST and FCD561, are geared toward the manufacturing and life sciences markets, respectively. The ST series fiber laser pump, powered by a proprietary diode...
Lumentum Operations LLC
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Thin-Film Metrology System Rudolph Technologies Inc. has released the S3000SX thin-film metrology system for transparent films in semiconductor fabrication applications at the 28-nm node and below. The 405-nm system,...
Rudolph Technologies Inc.
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Pulsed Fiber Lasers SPI Lasers has released the EP series, pulsed fiber lasers designed for industrial marking and micromachining applications. The 20-W series features 40 optimized pulse waveforms in the 3- to...
SPI Lasers UK Ltd.
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