Title :
Fiber Distribution of Local Oscillator for Atacama Large Millimeter Array
Author :
Shillue, William
Author_Institution :
Nat. Radio Astron. Obs., Charlottesville, VA, USA
Abstract :
The ALMA photonic reference is a tunable, phase-stable local oscillator (LO) reference for a radio astronomy array. The LO is 27-122 GHz, actively phase corrected, and distributed on 15-km of fiber.
Keywords :
astronomical instruments; microwave photonics; millimetre wave devices; optical fibres; Atacama large millimeter array; distance 15 km; frequency 27 GHz to 122 GHz; local oscillator; phase stability; radio astronomy array; Antenna measurements; Assembly; Atmospheric waves; Frequency; Local oscillators; Optical fibers; Phased arrays; Radio astronomy; Stability; Switches;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528513