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2. Optical transistor - Wikipedia

   en.wikipedia.org/wiki/Optical_transistor

   An optical transistor, also known as an optical switch or a light valve, is a device that switches or amplifies optical signals.Light occurring on an optical transistor's input changes the intensity of light emitted from the transistor's output while output power is supplied by an additional optical source.

3. Wavelength-division multiplexing - Wikipedia

   en.wikipedia.org/wiki/Wavelength-division...

   In fiber-optic communications, wavelength-division multiplexing (WDM) is a technology which multiplexes a number of optical carrier signals onto a single optical fiber by using different wavelengths (i.e., colors) of laser light. [1]

4. Holiday lighting technology - Wikipedia

   en.wikipedia.org/wiki/Holiday_lighting_technology

   The concept was popularized by Telebrands, which launched a brand of low-cost laser projectors known as Star Shower Laser Light in July 2015. Star Shower saw a considerably high demand, with stores quickly running out of stock, and reports of the devices being stolen right out of front yards; The New York Times compared the phenomenon to those ...

5. This top-selling shower head is an easy upgrade everyone ...

   www.aol.com/lifestyle/this-top-selling-shower...

   This shower head has a massive fanbase — it's racked up more than 16,200 five-star reviews peppered with phrases like "rivals the high-end ones." Shoppers can't say enough good things about it.

6. Fiber-optic cable - Wikipedia

   en.wikipedia.org/wiki/Fiber-optic_cable

   This is an accepted version of this page This is the latest accepted revision, reviewed on 19 January 2025. Cable assembly containing one or more optical fibers that are used to carry light A TOSLINK optical fiber cable with a clear jacket. These cables are used mainly for digital audio connections between devices. A fiber-optic cable, also known as an optical-fiber cable, is an assembly ...

7. Free-space optical communication - Wikipedia

   en.wikipedia.org/wiki/Free-space_optical...

   At the top right corner is a monocular for assisting the alignment of the two heads. Free-space optical communication (FSO) is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. "Free space" means air, outer space, vacuum, or something similar.