optical amplifier
111Time-Domain Thermoreflectance — is a method by which the thermal properties of a material can be measured, most importantly thermal conductivity. This method can be applied most notably to thin film materials (up to hundreds of nanometers thick), which have properties that vary …
112Oscar/Technische Verdienste — Der Oscar für technische Verdienste (Academy Technical Achievement Award) ist eine seit 1931 vergebenene Auszeichnung der Academy of Motion Picture Arts and Sciences und würdigt herausragende Leistungen auf dem Gebiet der Verbesserung technischer …
113Distortion — This article is about technology, especially electrical engineering. For other uses, see Distortion (disambiguation). Distort redirects here. For other uses, see Distort (disambiguation). A distortion is the alteration of the original shape (or… …
114Hybrid fibre-coaxial — (HFC) is a telecommunications industry term for a broadband network which combines optical fiber and coaxial cable. It has been commonly employed globally by cable TV operators since the early 1990s. See diagram below for a typical architecture… …
115RONJA — (Reasonable Optical Near Joint Access) is a Free Space Optics device originating in the Czech Republic. It transmits data wirelessly using beams of light. Ronja can be used to replace a segment of LAN, and one can enjoy all activities as if they… …
116Sound recording and reproduction — Sound recorder redirects here. For the audio recording program computer software, see Sound Recorder (Windows). Sound recording and reproduction is an electrical or mechanical inscription and re creation of sound waves, such as spoken voice,… …
117Bass guitar — A Music Man Stingray bass String instrument Other names Bass, electric bass guitar, electric bass. Classification …
118Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …
119Dynamic range compression — This article is about a process that intentionally reduces the dynamic range of audio signals. For similar reductions caused by circuit imperfections, see Gain compression. For processes that reduce the size of digital audio files, see Audio… …
120Photonics — Refraction of waves of photons (light) by a prism The science of photonics[1] includes the generation, emission, transmission, modulation, signal processing, switching …
