title: Optical frequency measurements with the global positioning system: tests with an iodine-stabilized He-Ne laser.
abstract: Global positioning system- (GPS-) referenced optical frequency combs based on mode-locked lasers offer calibrations for length metrology traceable to international length standards through the SI second and the speed of light. The absolute frequency of an iodine-stabilized He-Ne laser [127I2 R(127) 11-5 f component] was measured with a femtosecond comb referenced to a multichannel GPS timing receiver. The expected performance and limitations of GPS-referenced comb measurements are discussed.
authors.affiliation: National Institute of Standards and Technology, Boulder, Colorado 80305, USA. richard.fox@nist.gov
authors.forename: Richard W
authors.initials: RW
authors.lastname: Fox
authors.forename: Scott A
authors.initials: SA
authors.lastname: Diddams
authors.forename: Albrecht
authors.initials: A
authors.lastname: Bartels
authors.forename: Leo
authors.initials: L
authors.lastname: Hollberg