OJ5/J

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OJ5/J is a type of optical fiber port device used for testing the optical power of the optical fiber. This device is often used in communication, control, and monitoring systems, for applications such as data transfer, signaling, and optical fiber characterization. It is usually connected to an optical power meter, which measures the optical power at various points along the fiber, allowing the user to make detailed observations and measurements.

The OJ5/J consists of a receiver device, a transmitter device, and two mirrors connected in a loop. Each of the two devices contains a light-emitting diode (LED) and a photodiode. The LED is used as the source of light, while the photodiode is used to detect the optical power of the light. The two mirrors work in concert to bounce the light back and forth between the two devices.

When the device is powered, the LED emits a specific amount of light that is proportional to the current supplied to it. This light then travels along the optical fiber, and when it meets the two mirrors, it is reflected back and forth between the two devices. As the light continues to bounce back and forth, the optical power is detected by the photodiode in each device and sent as an electrical signal to the receiver.

The power detected by the receiver is then analyzed and used in the measurement of the optical power along the entire fiber line. Based on this measurement, the optical power in various sections of the line can be determined. This is often used in the testing and calibration of optical fiber systems.

The OJ5/J is a very efficient and reliable tool for testing the optical power of an optical fiber line. Although it is typically more expensive than other alternative testing methods, its accuracy and ease of use make it a valuable tool in the industry.

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