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The ability to create wafer-scale stitching-error-free patterns of nanostructures on bowed and warped surfaces and even on topography, as well as direct patterning of 3-D structures, makes nanoimprint lithography ideally suited for the needs of a diversified photonics market. Photonics applications are emerging rapidly, thanks to the fabrication infrastructure of the semiconductor industry that enables new functionalities, smaller form factors, improved performance and reduced costs.
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ColorLock Filter Stacks Enable Better Wide-Angle Imaging
New glass filters overcome considerable design challenges to transmit wide-angle incident light without shifting wavelengths, offering an innovative solution for a variety of applications in which the high transmission afforded by dielectric filters is less important than the consistency of the wavelengths of light coming in from wider incident angles.
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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 opportunities in high-speed line-scan imaging.
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LSCM and RelA for Quantifying Microwear: A Case Study
Laser scanning confocal microscopy (LSCM) and relative area (RelA) are effective tools for the documentation and discrimination of surface roughness on experimental stone tools made from Mistassini quartzite. Together, their ability to effectively document and discriminate wear on these experimental tools offers archaeologists another method for studying past uses of chipped quartzite artifacts.
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Ultra-Narrowband
Filters
Alluxa
Alluxa’s ultra-narrowband filters, for applications such as laser cleanup, lidar, telecommunications and instrumentation, offer the narrowest and “squarest” filter profiles in the visible and NIR with very high transmission levels typically greater than 96%.
More info >>
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IR Filters for Thermal Imaging and Gas Detection
Spectrogon US, Inc.
Spectrogon US manufactures infrared filters and windows with high transmission, high rejection outside the passband, while maintaining excellent coating uniformity for thermal imaging and gas detection applications such as cryogenically cooled IR detectors and for uncooled microbolometers.
More info >>
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High Brightness Fiber Laser Pump Modules
DILAS Diode Laser, Inc.
DILAS expands the wavelengths range of its tailored bar based, scalable concept with high brightness fiber laser pump modules delivering up to 240W (200µm fiber core, NA 0.22) optical output power at 915nm and up to 270W (200µm fiber core, NA 0.22) optical output power at 976nm with optional VBG for wavelength stabilization.
More info >>
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New Fujikura
Fiber Recoaters
AFL
AFL, an industry-leading manufacturer of fiber optic systems, introduces a new series of Fujikura high precision fiber recoaters—the FSR-05, FSR-06 and FSR-07.
More info >>
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Photonics Media is currently seeking technical feature articles on a variety of topics for publication in our magazines (Photonics Spectra, Industrial Photonics, BioPhotonics and EuroPhotonics). Please submit an informal 100-word abstract to Group Publisher Karen Newman at karen.newman@photonics.com
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