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Jan 30, 2024 — When the light polarization is aligned with what we define as the polarizing axis of the substance, then little of the light is absorbed by the ...

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One of the unique advantages of the LFOD is that it shares the same hardware as Pavemetrics automated pavement inspection system; the LCMS. By upgrading your LFOD with LCMS algorithms, the same piece of hardware can deliver higher ROI by providing a full assessment of your pavement surfaces. In fact, with this upgrade your LFOD can even help detect FOD before it develops by locating FOD-producing pavement defects such as raveling and spalling.

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Jul 23, 2019 — More specifically, it will reduce glare and reflections, including certain haze. In real-world applications this can help eliminate reflections ...

VC Frohlich · 2008 · 42 — Phase-contrast microscopy is often used to produce contrast for transparent, non light-absorbing, biological specimens. The technique was discovered by ...

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Most of the CALPAC red lasers are 650nm. I am very happy with my $20 635nm red laser pointer from this eBay seller. 635nm will appear significantly brighter ...

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Pavemetrics® Laser Foreign Object Debris (LFOD) detection system uses high-speed cameras, custom optics and laser line projectors to acquire both 2D images and high-resolution 3D profiles of airport runways, taxiways and aprons in order to automatically detect even the smallest objects at highway speeds.

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The LFOD system can be operated both during daytime and night-time as well as under all types of lighting conditions; surfaces lit by the sun or covered by shadows as well as various pavement types ranging from dark asphalt to concrete can be scanned at inspection speeds from 0 to 100km/h.

In order to optimize field staff operational efficiency, alarm thresholds are user-configurable. Larger FOD can be set to trigger operator alerts while alarms can be silenced for small FOD, while their their locations and other details are recorded for later analysis.

Depending on the LFOD sensor configuration selected, an entire runway can be scanned in just a few minutes, day or night, with FOD 2mm and larger automatically detected.

2020629 — In this report, we present the investigation of the cutting front and cutting kerf during laser beam cutting of 10 mm thick stainless steel as a ...

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Mar 8, 2022 — Contents. Laser Testing Grids; Using the Array Function in Lightburn; Burn Tests on Scratch Paper; Burning an Image on Scratch Paper; Cleaning ...

Unlike incredibly expensive fixed systems which are limited to FOD detection along a specific runway or taxiway, the mobility of the LFOD allows it to be used across the entire airport.