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Sensors & Detectors Features
New CO Laser Technology Offers Processing Benefits
The development of a reliable, high-power source of mid-IR laser light gives process developers an important tool with unique characteristics that will significantly impact a diverse range of applications. The first carbon monoxide (CO)lasers were built more than 50 years ago. The technology showed promise for several reasons. First, CO lasers are inherently efficient in terms of their conversion of input electrical energy into light. For example, they are potentially about twice as
Photonics Spectra, September 2015
Space-Based Optics Are Taking Off
Exciting times are on the horizon for space optics as the market evolves, customer needs change and the demand for products intensifies. A mixture of advancements in optical technology, more efficient manufacturing processes, and innovative...
Photonics Spectra, July 2015
CCD Sensors Remain Competitive with Broadening Appeal
CCDs continue to be the sensor of choice for applications such as astronomy and spectroscopy. With future investment, we can expect improvements in sensor architecture, resolution, pixel size and depth, as well as readout speeds. Over the last few...
Photonics Spectra, July 2015
Quantum Cascade Lasers: Where They Are and Where They're Going
QCLs are carving a clearer niche in photonics applications, namely in defense and security, medical diagnostics, atmospheric gas sensing and mid-IR imaging. Since its first demonstration more than two decades ago, the quantum cascade laser (QCL) has...
Photonics Spectra, June 2015
Advances in Micromechatronics Promote All-in-One Positioning Modules
Smart motion technologies can reduce system size and simplify integration, enabling smaller photonic instruments with full performance. Advances in microactuators, microelectronics and micromechatronics are enabling a new class of all-in-one...
Photonics Spectra, May 2015
Scintillator Detectors with Integrated Nanophotonics for Medical Imaging
Combining the principles of integrated nanophotonics with traditional scintillator materials will greatly improve the development of radiation detection. Strong evidence exists that integrated nanophotonics innovations will have an evolutionary...
Photonics Spectra, April 2015
Multispectral Imaging Extends Vision Technology Capability
Multispectral imaging takes the detection capability of machine vision beyond just color inspection. With wafer-level coating of multispectral filters, advanced multispectral cameras now can be designed in a compact form factor. The result: many new...
Photonics Spectra, February 2015
Trends in New Materials
Scientists are developing an entirely new generation of ultrathin materials such as graphene and germanene, whose photonic properties promise a new frontier of components and devices. Graphene is a wonder material: a sheet of pure, stable carbon in...
Photonics Spectra, January 2015
Microbolometers Move Thermal Imaging into Next-Gen Commercial Uses
Technology advances and improved manufacturing of uncooled thermal detectors are fueling this application expansion. First developed for military applications in the 1950s, thermal imaging lets humans see objects that are not visible to the eye by...
Photonics Spectra, November 2014
MWIR for Remote Sniffing and Locating of Gases
A mid-wave infrared camera visualizes methane gas cloud leaking from a drilling platform. Methane is a greenhouse gas that is significantly more damaging than carbon dioxide. When it leaks uncontrolled from industrial plants, it can easily escape...
Photonics Spectra, November 2014
Micro Thermal Camera Opens Applications to Consumers
Personal thermal imaging just got affordable – but the technology can be used in various industries, too. Thermal imaging is hardly new, but most of us don’t carry thermal imagers in our pockets. Not yet. But it could happen soon, thanks...
Photonics Spectra, October 2014
Applications Expand for Photon Counting
The prospects of photon-counting imaging are as diverse as they are promising. From space-debris monitoring, to telecommunication satellites and shuttle missions, to the advent of powerful surgical tools, which could help cancer patients through the...
Photonics Spectra, October 2014
SWIR Applications and Challenges: A Primer
Infrared imaging opens endless possibilities for industrial, scientific and security image-processing applications. But short-wave infrared cameras must overcome the limitations of InGaAs sensor technology to provide high-quality images....
Photonics.com, September 2014
Dual-Band Monitoring Keeps Trains Running in Winter
Keeping critical parts of the railroad infrastructure free of snow, sleet, hail and ice – and even detecting unauthorized persons walking the rails – is essential for a safe and uninterrupted transportation service. Dual-band monitoring...
Photonics Spectra, September 2014
Vehicle Vision Puts the 'Auto' in 'Automobile'
Vision systems are increasingly enabling self-driving cars to automatically park, maintain speed and prevent collisions. Can a world of ubiquitous self-driving cars be far off? Whether it’s a flying, automatically driven car like the...
Photonics Spectra, September 2014
For Image Processing, More Power and More Challenges
Increased resolution, 3-D measurement and ease of use are placing ever-greater demands on vision software. In some ways, the machine vision market is no different than its consumer counterpart. Take, for instance, the question of megapixels. The big...
Photonics Spectra, August 2014
Novel Laser-Power Sensor Improves Process Control
A new type of laser-power detector delivers fast speed and high laser-damage resistance, enabling real-time process control in embedded systems. Lasers process a wide range of materials in an extraordinarily diverse array of applications that often...
Photonics Spectra, July 2014
Optical Filters Open Up New Uses for MWIR, LWIR Systems
The future for photonics imaging is bright in a previously dark wavelength regime: The ability to image ‘invisible’ features such as thermal profiles, gases and other environmental constituents in a commercially viable manner has begun...
Photonics Spectra, July 2014
Positioning System Advances Could Herald Smart-Factory Era
Optical positioning systems could be at the forefront of carrying factories into the fourth industrial revolution. Positioning systems are essential to ensure precision engineering in a number of manufacturing industries from lithography and...
Photonics Spectra, July 2014
Moving Raman Spectroscopy into the Clinic
Raman spectroscopy’s molecular sensitivity makes it promising for clinical applications: It can identify pathogens much faster than current methods, investigate circulating tumor cells, help surgeons distinguish tumors from healthy tissue and...
Photonics.com, June 2014
Next-Gen LED Lamps Bring Costs Down
LEDs top almost every other illuminant in lifetime and performance, but – unfortunately – also in production costs. This is where molded interconnect devices come in, offering considerable freedom for the arrangement of LEDs and much...
Photonics.com, June 2014
Optodigital Microscopy Enhances Efficiency of Material Testing
Automated microscopes can help speed up the industrial quality-control process, saving time and money. Time is money when it comes to industrial work flows, and efficiency is a key priority. This is especially true with regard to one of the SGS...
Photonics.com, June 2014
Mid-IR Semiconductor Lasers Enable Sensors for Trace-Gas-Sensing Applications
Commercial and research QCL sources can target strong fundamental rotational-vibrational gas absorption lines in the mid-IR spectral range and pure rotational lines in the terahertz range that are one to two orders of magnitude stronger than...
Photonics Spectra, June 2014
Scanning Vision Continues to Improve Manufacturing Standards
The future of scanning vision systems is to make the underlying technology more accessible, robust and foolproof. From semiconductor manufacturing to the display industry, scanning vision technology is widely found along production lines. In fact,...
Photonics Spectra, June 2014
Transparent Ceramics Enable Large, Durable, Multifunctional Optics
Aluminum oxynitride and magnesium aluminate spinel are mechanically strong, hard and scratch resistant; they are also chemically durable. Both exhibit broadband transmittance from near-UV to mid-IR. Single-crystal sapphire has been the material of...
Photonics Spectra, June 2014
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April 2024
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