Title

Photograph of a technician holding a laser 'demodulator' used to convert laser light beams into television signals and radio sounds

Caption

Photograph of a technician holding a laser 'demodulator' used to convert laser light beams into television signals and radio sounds. A 'modulator' first changes the laser beam so it can carry TV, Radio or Telephone messages. The demodulator was developed by National Engineering Science Company and Douglas Aircraft Company. Dated 20th Century

Date

20th century

Credit line

Photo12/Ann Ronan Picture Library

Reference

ARP23A16_039

License type

Rights managed

Available size

60,0Mb (4,1Mb) / 17,1in x 13,7in / 5120 x 4096 (300dpi)

Keywords

20th Century Photograph Photography Technician Laser Laser Beam Light Beam Light Light Beams Convert Conversion Television Signal Television Signal Signals Radio Radio Sounds Modulator Telephone Telephone Messages Communication Communicate Physics History of Physics History of Science Science 20th Century