PLP2-375

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Light pipes, also known as light guides, serves as conduits of transmission of light from its source to a distant location for processing or measurement. PLP2-375, manufactured by Aixiz, is an example of such devices, which comes with high-quality numerical aperture and light transmission efficiency.

Application Field

Due to its high-efficiency transmission properties and proper dimensions, PLP2-375 is widely used in range of applications, such as ophthalmology, distant visualization, projection, spectroscopy, lighting systems and optics engineering research.

In ophthalmology, PLP2-375 is used as an examination tool to aid in eye diagnosis. Its measurement capabilities allow clinicians to detect and measure the pupil size accurately, without physical contact, making the patient\'s experience more comfortable.

Its ability to finely transmit light at a distance given its small dimensions enable PLP2-375 to be used in projection systems, where light needs to be directed at various angles for efficient projection.

Light pipes are also used in spectroscopy, a technique for determining the type of material being examined by using light waves. This technique relies on the light pipes to propagate light waves of different frequencies.

In lighting systems, PLP2-375 provide improved illumination by effectively transmitting light to desired locations. This enables the user to control the amount of light given, namely, the intensity and the direction of illumination, for better accuracy.

Finally, light pipes are also used in optics engineering research, in which scientists test the effects of light at different angles. This can be better accomplished by using light pipes, as they provide a better solution for controlling the intensity of light when compared to lasers.

Working Principle

PLP2-375 works similar to other light pipes. In a nutshell, when an LED is placed at one end of the light pipe, the light is propagated through the fiber due to the total internal reflection phenomenon.

Total internal reflection is an effect which occurs when light meets a medium that has a different index of refraction. This is due to the fact that the light waves will reflect off the medium with no scattered loss, allowing it to propagate further distances with minimal distortion.

In more technical terms, the light pipe works by transporting light waves using a mechanism called wave guide dispersion, whereby the electromagnetic field of the light waves cause them to reflect off the walls of the light pipe. This process is facilitated by the numerical aperture of the light pipe. The numerical aperture is the measure of the light acceptance angle of the device and is related to the refractive index.

Furthermore, light pipes is usually composed of two different materials, known as core and the cladding. Core is the channel through which light travels, which is surrounded by cladding. Cladding enables total internal reflection to occur, as it provides the same refractive index for the light, which keeps it inside the fiber.

From the above discussion, it can be concluded that the working principle of PLP2-375 is similar to other light pipes. Its high numerical aperture allows for efficient transmission of light, while the wave guide dispersion maintains the original properties of the light wave over given distances.

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