PLTR5-2000-PR2

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Optics - Light Pipes- an application field and working principle of the PLTR5-2000-PR2

Light pipes are a type of optical device that uses total internal reflection of light to redirect and transmit light from a source to a remote location. The device looks like a thin, solid rod that has mirrored surfaces on both ends. Its purpose is to guide light sources, such as LEDs, through a physical structure such as an electronic circuit board, cabinetry or a wire rack.

The principle of light pipes is based on total internal reflection. This phenomenon occurs when light is incident upon the surface of an optical medium, such as a glass or plastic, with an angle greater than its critical angle. This critical angle is determined by the refractive indices of the two media. With the incident light ray passing through a different medium, a portion of the light is reflected and the remaining portion refracted. In the case of total internal reflection, all of the light is reflected from the surface.

The PLTR5-2000-PR2 series are a family of light pipes from the U.S. manufacturer and distributor Photonic Research Products (PRP). These light pipes are based on the principle of total internal reflection, and feature a complex, three-dimensional pattern of truncated cones cut into the ends of the light pipes. This shapes helps to control and guide the light directed through the pipes. The pipes themselves are made from a polycarbonate material that is resistant to shocks and vibrations.

In addition to their redirecting properties, light pipes can also be used to diffuse or ameliorate light sources. By including diffusing elements in the walls of the pipes, the light can be directed to a larger area than that of the source. This is particularly beneficial in applications where bright consistent lighting is needed, such as with the back-lighting of displays or panels.

The PLTR5-2000-PR2 series light pipes have a number of applications in the optical and electronics fields. In consumer and industrial electronics, they can be used to reduce the number of visible components in the structure, while still providing adequate illumination. In medical and scientific instruments, they allow for precise and reliable light transmissions. These light pipes can even be used in avionics to guide light sources through an airplane\'s narrow aisles or through its complex electronic equipment.

By taking advantage of the total internal reflection that light pipes offer, the PLTR5-2000-PR2 series of light pipes offer a cost-effective and reliable means of guiding and diffusing light sources in a broad range of applications. With their durability and robust design, these pipes offer a reliable solution for a variety of optical applications.

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