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Each is described in more detail here: Class 2, Class 3R, Class 3B and Class 4. The first two Classes are relatively safe for eye exposure; the last two are ...

Imagine holding a skipping rope so that it passes between the posts of a picket fence, and waving it up and down. The vertically aligned waves will be able to pass between the gap in the fence posts. But if you wave it from side to side, the waves will be blocked.

Light is a transverse wave: the wave is S-shaped, with the curves of the S at right angles to the direction it travels. Essentially, the wave vibrates up and down as it travels forwards.

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We provide a wide variety of LED heat sinks below, which include: anodized extruded linear heat sinks, LED housings, LED light engine housings, small finned ...

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A global leader in the LED Machine Vision Industry since 1993, Advanced illumination combines innovation in product development and quality in processes.

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A professional LED light meter specifically calibrated relative spectral sensitivity wavelength of 550nm to the JIS standard C 1609-1993 measuring corrected ...

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Since only a small selection of the waves can pass through a polarising filter, the overall intensity of the light is reduced. This is why sunglasses can be polarised: to reduce brightness and glare without compromising your vision.

Light is also partially polarised when it bounces off a shiny surface. For example, the light that reflects off a horizontal surface, such as a puddle, is mostly horizontally polarised. Polarised sunglasses are usually vertically polarised to reduce the glare from puddles or wet roads.

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High-tech options include Bluetooth and Wi-Fi compatibility, remote controls, dimmable devices and energy-efficient LEDs. Outdoor flood and spotlights include ...

Common Lighting Measurement Terminology · Candela: The unit of luminous intensity. · Footcandle: A footcandle is a measure of light intensity. · Light Level: Light ...

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Light can be polarised by passing it through a polarising filter. A polarising filter has all its molecules aligned in the same direction. As a result, only waves with vibration aligned in the same direction can pass through.

But 'up' and 'down' are not fixed directions. The vibrations could be vertical, horizontal, or at any angle in between. In fact, the waves that make up sunlight, for example, are evenly distributed across all angles.

Some animals can see in polarised light, including the fiddler crabs and mantis shrimp in David Attenborough's Life in Colour.

20191031 — a light meter is a device that measures light. There are two different kinds of light meters—incident and reflective. An incident light meter ...

5750 Followers, 1775 Following, 59 Posts - Pipe Lighting GmbH (@pipelighting.eu) on Instagram: "High-quality lightweight&waterproof LED fixtures ...

by SC Watkins · 2018 · Cited by 13 — LITE microscopy: Tilted light-sheet excitation of model organisms offers high resolution and low photobleaching.