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2. Optical attenuator - Wikipedia

   en.wikipedia.org/wiki/Optical_attenuator

   An optical attenuator, or fiber optic attenuator, is a device used to reduce the power level of an optical signal, either in free space or in an optical fiber. The basic types of optical attenuators are fixed, step-wise variable, and continuously variable.

3. Attenuator (electronics) - Wikipedia

   en.wikipedia.org/wiki/Attenuator_(electronics)

   Fixed attenuators in circuits are used to lower voltage, dissipate power, and to improve impedance matching. In measuring signals, attenuator pads or adapters are used to lower the amplitude of the signal a known amount to enable measurements, or to protect the measuring device from signal levels that might damage it. Attenuators are also used ...

4. Attenuation - Wikipedia

   en.wikipedia.org/wiki/Attenuation

   Attenuation in fiber optics, also known as transmission loss, is the reduction in intensity of the light beam (or signal) with respect to distance travelled through a transmission medium. Attenuation coefficients in fiber optics usually use units of dB/km through the medium due to the relatively high quality of transparency of modern optical ...

5. Cutback technique - Wikipedia

   en.wikipedia.org/wiki/Cutback_technique

   Since the attenuation is defined as proportional to the logarithm of the ratio between () and (), where is the power at point and respectively. Using the cutback technique, the power transmitted through a fiber of known length is measured and compared with the same measurement for the same fiber cut to a length of approximately.

6. FC connector - Wikipedia

   en.wikipedia.org/wiki/FC_connector

   The FC connector is a fiber-optic connector with a threaded body, which was designed for use in high-vibration environments. It is commonly used with both single-mode optical fiber and polarization-maintaining optical fiber. FC connectors are used in datacom, telecommunications, measurement equipment, and single-mode lasers.

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   www.aol.com/lifestyle/most-popular-black-friday...

   Here are the most popular Black Friday deals our AOL readers have been shopping today, including AirPods, smart plugs, Kate Spade bags, and Old Navy coats.