What does OTF stand for?

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Optical Transfer Function

The Optical Transfer Function (OTF) is a comprehensive measure of the performance of an optical system, quantifying how well the system transfers contrast at various spatial frequencies from the object to the image. It encompasses both the Modulation Transfer Function (MTF), which measures the contrast preservation, and the Phase Transfer Function (PTF), which assesses the positional accuracy of the image features.

In the telecom industry, the OTF is crucial for evaluating the quality of optical communication devices, such as lenses and fibers, ensuring they meet the stringent requirements for high-speed data transmission. The OTF's ability to detail the system's response to different spatial frequencies makes it indispensable for designing and testing components that are pivotal in minimizing signal degradation and maximizing bandwidth efficiency.

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