MMA Memo #200

Photonic local oscillator for the Millimeter Array

J.M.Payne, L.D'Addario, D.T.Emerson, A.R.Kerr, B.Shillue

February 27, 1998

Keywords: laser, millimeter-wave, submillimeter-wave, photomixer, phase lock, local oscillator, Millimeter Array, radio telescope

A photonic local oscillator system for the Millimeter Array is described. The mixing of coherent infrared signals generated at a central location and distributed in the 1.3-1.55 micron wavelength window over optical fiber holds the promise of savings in both cost and manpower over a conventional system. This proposed system, using the many commercially developed components now available also offers advantages in ease of maintenance and reliability.

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Last modified: 09 December, 1999