LASER  BASED  DIGITAL  DATA  COMMUNICATOR

Semiconductor laser communicator offers a low cost, short-range, secure infrared data communication

for transmission of computer and telemetry data. This can be easily installed in short notice provided transmitter and receiver can see each other. The system consists of two sets of transceivers units, which can transmit 10K bits/sec of digital information for a range of  1.5 km.

Each transmitter emits IR pulses of 200nsec duration with peak power of 4W. At the receiver end, the light pulses are focused on a photodiode with the help of suitable optics, which converts them into electrical pulses. These pulses are further processed  
for interfacing with the computer. The data is exchanged at two ends without laying any cable. Due to unique property of very low divergence of laser beam, the system offers secure communication of data as compared to radio link.

SPECIFICATIONS


High security and privacy of communication
Quick & easy installation
Low power consumption
Point to point communication
Full duplex link
Maximum range in fair weather - 1.5 km
Free from EM/RF interference
No licensing required
Alignment of units with sighting telescope

APPLICATION

For secure data communication in Defence and sensitive areas, at Airports for communication across the runways, for Telemetry data and Remote Control. It can also be used in Industries, Research Laboratories, Hospitals etc. for local area networks and computer peripheral remoting.

For details contact : 
   

    Head, Technology Transfer & Collaboration Division, 
    BHABHA ATOMIC RESEARCH CENTRE, 
    TROMBAY, MUMBAI - 400 085
    Tel : 091-022-25505337/25593897
    Fax : 091-022-25505151 
    Email : headttcd@barc.gov.in