The Optical Voice Link is on display on the third floor of Building 4, almost directly above the Building 4 coffee shop.
For more information, click on a particular component of the display below.
Main Description: A description of what this Optical Voice Link display does, and how to use it.
Fiber: Information about optical fiber, the thin glass strands used to carry light.
Light Emitting Diodes (LEDs): Information about LEDs, devices which convert electrical signals into light.
Photodiode: Information about photodiodes, which convert light into an electrical signal.
Transmitter Circuit: Schematic diagram of the transmitter circuit.
Receiver Circuit: Schematic diagram of the receiver circuit.
Microphone, Speaker, and Meter: These are the parts of the display which interface with the user.
Power Supply: Circuit used to supply power to this display; not directly related to optical communications.
Wire Color Coding: If this is a demonstration of optical communication, why are there so many wires?
Acknowledgments: People who made this display possible.