Optics stubs typically refer to a type of calibration or testing tool used in fiber optic communications. They are short lengths of optical fiber that are used primarily for testing the performance of optical systems or for aligning fibers. Here are some key points related to optics stubs: 1. **Testing and Calibration**: Optics stubs are often used to connect to measurement equipment for testing purposes. They help in ensuring that the measurement system is properly calibrated.
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