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Photonics Spectra - July 2022


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Features
VCSELs Increase Power and Wavelength for 3D Sensing For vertical-cavity surface-emitting lasers (VCSELs), the future looks bright — because their performance is rising while their price is falling. On the horizon is also a move from near-IR to shortwave IR wavelengths. These trends will help VCSELs meet a surging demand that is driven by their increasing use in 3D sensing applications (Figure 1). Figure 1. The VCSEL market forecast for 2021...
Optical Fiber Sensors Enable New Biomedical Devices The biomedical community recognized the advantages of optical fibers long ago, accepting them even before their adoption for long-haul telecommunications. Early research on the light-guiding...
An Actively Cooled Mid-IR Telescope Peers Through Space Dust When the European Space Agency’s (ESA’s) Herschel Space Observatory revealed that the universe was far richer in star-forming dust than previously thought, the engineers who were...
Bridging the Terahertz Gap with Simulation Software Rather than coining the phrase “x-ray vision,” perhaps comic book writers should have called it “terahertz vision” instead. The precise blend of electromagnetic and material...
Outshining LEDs: Diode Lasers Deliver Intensity to Illumination The development of light-emitting diode (LED) lighting has been a great success story of our times. LEDs are nearly ideal light sources that have largely replaced other lighting technologies, except...
Editorial
Innovation begins and ends with a question Photonics industry old-timers are familiar with the trope that the laser, at the time of its invention in the mid-60s, was a “solution in search of a problem.” This collective memory might have become a bit romanticized over time, because it clearly didn’t take long for an industry-worth of defense contractors, materials processors, retail OEMs, spectroscopists, and academicians...
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AI Pioneer Andrew Ng Headlines Vision Spectra Conference ’22 By harnessing the power of “good” data over “big” data, manufacturers with limited data sets can use machine vision for quality inspection. This is the premise of the keynote address to be delivered by globally recognized AI visionary Andrew Ng for the second annual Vision Spectra Conference (VSC), which will be held online July 19-21. The founder and CEO of Landing AI...
Laser Safety
What Counts as a Laser Accident, and Who Is Counting? As a laser safety officer and adviser, I am often asked, “How many laser accidents happen per year?” Unfortunately, there is no clear answer. Why? Because many organizations do not provide clear internal protocols for reporting such accidents. And even organizations that do offer limited guidance on what constitutes a laser accident often offer inconsistent reporting protocols and no...
Industry Insight
The Ever-Shrinking Optical Spectrometer Enhances Consumer Goods We are about to see the next step in portable spectroscopy as optical spectrometers and multispectral sensors increasingly appear in consumer goods, all the way from washing machines and vacuum cleaners to smoke detectors, smartphones, and wearables such as sports watches. These sensors may not be immediately obvious to the consumer, but they deliver intelligence to optimize product operation or...
Technology News
Topological Cavity Widens Functionality of Surface-Emitting Lasers Researchers at the Institute of Physics of the Chinese Academy of Sciences have incorporated a topological cavity into the design of a surface-emitting laser to create a device that addresses the challenge of simultaneously increasing output power and beam quality in semiconductor lasers — a principal bottleneck. The research team’s topological-cavity surface-emitting laser (TCSEL)...
Metalens Cuts Complexities for Semiconductor Manufacturing Rice University researchers have developed a metalens that transforms incoming longwave UV light (UVA) into a focused output of vacuum UV (VUV) radiation. VUV is used in semiconductor manufacturing,...
AR Coating Technique Streamlines 3D-Printed Micro-Optics Researchers at the University of Stuttgart have developed a low-temperature atomic layer deposition (ALD) technique for applying antireflective (AR) coatings to lens surfaces in multi-lens systems....
Lithographic Technology Aids in Ultrathin Optical Fabrication Researchers from MIT have developed a low-cost optical fabrication method that enables the production high-quality thin mirrors and silicon wafers. The method developed by the team, led by research...
Laser-Based Ultrasound Finds Defects in Metal 3D Printing Researchers at Lawrence Livermore National Laboratory (LLNL) have developed an all-optical ultrasound technique capable of performing on-demand characterization of melt tracks and detecting formation...
Scattering Phenomenon Could Improve Optical Communications A phenomenon observed in a miniature light-scattering system composed of an ultrathin layer of silicon nitride on a chip could lead to improved optical communications and sensors. Researchers at the...
Glass-in-glass Fabrication Method Produces Complex Optics A manufacturing technique for creating microstructures by integrating two types of glass with different physical properties could provide a path to complex infrared (IR) optics to be used in...
Industry News
White House Directives Target Quantum Science, Technology President Joe Biden this week introduced two directives that will advance national initiatives in quantum information science (QIS). The president signed an executive order that will enhance the National Quantum Initiative Advisory Committee (NQIAC), as well as a National Security Memorandum (NSM) that outlines the administration’s plan to address risks to America’s economic and...
TRUMPF Leads Funding Round for Optical MEMS Microphone Company SensiBel, an Oslo, Norway-based microphone technology company, closed a €15 million (~$15.8 million) funding round to ramp up production of its optical MEMS microphone technology. TRUMPF Venture...
Two Ceremonies Honor Photonics Technology Innovators in Munich, Aachen The jury of the Innovation Award 2022 has named winners of its annual awards at LASER World of PHOTONICS (LASER Munich), recognizing six companies that will take home top prizes in seven categories....
IonQ, Hyundai Motor Collaborate on Image Classification, Detection A collaboration between quantum computing company IonQ and Hyundai Motor Co. will apply quantum machine learning to image classification and 3D object detection for future mobilities. The companies...
Collaboration to Scale Up Silicon Photonics Testing for Lidar CompoundTek Pte Ltd., a foundry service provider in silicon photonics solutions, will collaborate with lidar solutions provider Voyant Photonics to establish a high-volume silicon photonics (SiPh)...
Products
Microscopy System The Lattice Lightsheet 7 microscopy system from ZEISS provides sample-preserving, long-term imaging of living cells. Equipped with the Hamamatsu ORCA-Fusion camera, the microscope now enables...
Carl Zeiss Microscopy GmbH, Microscopy
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SS-OCT Imaging Platform The Axsun Azmyth™ next-generation SS-OCT imaging platform from Excelitas Technologies® Corp. supports high-speed tunable VCSEL in a compact form-factor for custom integration across a range...
Excelitas Technologies Corp.
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RGB Lasers The CS-8000RGB FX and CS-12.000RGB FX lasers from Laserworld AG are part of the Club series of multicolor devices equipped with fast scanners. The CS-8000RGB FX has a guaranteed output power at...
Laserworld AG
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Cutting Optics SCut MAX cutting optics from Scansonic MI GmbH is designed for laser power up to 30 kW. The cutting gas flow is adjusted to the laser power levels and permits a significantly higher volume...
Scansonic MI GmbH
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Laser Cleaners and Blasters The CleanTech™ line of laser cleaners and blasters from Laser Photonics Corp. has been upgraded for roughing, conditioning, and finishing applications for a variety of industries. Updates...
Laser Photonics Corp.
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Solid-State Lasers TruDisk high-power, solid-state lasers from TRUMPF SE and Co. KG are suitable for cutting, welding, and machining surfaces. Its BrightLine technology features a two-in-one laser light cable...
TRUMPF SE + Co. KG
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Optical Parametric Oscillator The 17OPO-1-50 S Optical Parametric Oscillator from AMS Technologies AG generates short laser pulses for applications in the field of photoacoustic imaging. The devices are based on nonlinear...
AMS Technologies AG
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Laser Diode The SM Laser Diode with a 400-mW fiber output at 808 nm has been announced by TOPTICA eagleyard in a standard butterfly platform. It is focused on power delivery with a center wavelength around...
TOPTICA EAGLEYARD
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Green Laser Diode The PLT5 522EA_Q green laser diode from ams OSRAM is a cost-competitive replacement for red lasers in applications such as leveling, scanning, biosciences, and dot projection. The green laser...
ams OSRAM GmbH
Femtosecond Laser The Spectra-Physics® IceFyre® FS UV50 laser from MKS Instruments Inc. is an industrial femtosecond laser with >50-W UV power, high reliability, and low cost of ownership. The laser...
MKS Instruments Inc.
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Laser Diode Module The Grande.9 (532-1) diode laser module from Power Technology Inc. is a high-power device at 532 nm for OEM applications. The device offers a stable semiconductor alternative to at nearly 1 W...
Power Technology Inc.
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Streak Camera The semiconductor-based S3C-1 streak camera from Optronis GmbH provides researchers with an instrument that enables detailed scientific investigations in ultrafast processes. Streak cameras...
Optronis GmbH
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Laser Safety Software Version 6 of LaserSafe PC software has been announced by The Photonics Group and G.L. Services, creating laser safety calculations under 21CFR1040.10/.11, ANSI Z136, and IEC EN60825. Designed...
The Photonics Group
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Photon-Counting Sensor and Camera Gigajot Technology Inc.’s QIS41 camera, built around the GJ04122 sensor, pairs well with standard 4/3-in. microscopy optics, bringing high resolution and low-light performance to scientific and...
Gigajot Technology Inc.
Fluorescence Filter Set Knight Optical LLC’s fluorescence filter set range suits the diverse needs of various fluorescence applications that demand high-quality components. Each set comprises an excitation...
Knight Optical
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Frequency-Converted Fiber Lasers Koheras HARMONIK frequency-converted fiber lasers from NKT Photonics A/S provide a wide range of wavelengths, up to 10 W of power, low noise, and a linewidth of <200 Hz. Compatible with...
NKT Photonics A/S
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Multi-junction VCSEL Arrays The M series of multi-junction VCSEL arrays for next-generation automotive, industrial lidar, and 3D sensing applications has been announced by Lumentum Holdings Inc. The devices feature peak...
Lumentum Operations LLC
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Silicon Photodiode Detectors Marktech Optoelectronics Inc.’s lineup of advanced silicon photodiode detectors consists of several detector series based on spectral sensitivity. The Series 8 General Purpose devices...
Marktech Optoelectronics Inc.
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Metrology Scanner The FreeScan UE Pro 3D blue laser metrology scanner from SHINING 3D Tech Co. Ltd. is a multifunctional, handheld device for large-scale 3D inspection and reverse engineering. The scanner...
SHINING 3D Technology Co. Ltd.
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Outdoor Range Thermal Camera The RS6780 ruggedized outdoor range and science thermal camera from Teledyne FLIR is a small-format camera that detects minute temperature differences at long distances. The long-range...
Teledyne FLIR Systems Inc.
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