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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 1, Iss. 1 — Jan. 1, 1962
  • pp: 51–53

Photomixing Experiments with a Ruby Optical Maser and a Traveling-Wave Microwave Phototube

B. J. McMurtry and A. E. Siegman  »View Author Affiliations


Applied Optics, Vol. 1, Issue 1, pp. 51-53 (1962)
http://dx.doi.org/10.1364/AO.1.000051


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Abstract

A standard oxide-cathode S-band traveling-wave tube has been used as an improvised microwave phototube to study the coherent light output from a ruby optical maser (laser). The laser’s output consists of simultaneous, discrete optical components separated by the mode interval of 600 Mc/s between axial modes in the 12.5 cm laser rod. These components heterodyne in the TWT cathode to produce easily observed microwave outputs within the TWT bandwidth, corresponding to photobeats between third-through seventh-nearest-neighbor axial modes. This technique is a powerful tool for the study of optical masers, and also has important implications for communications via microwave-modulated light.

© 1962 Optical Society of America

History
Original Manuscript: October 6, 1961
Published: January 1, 1962

Citation
B. J. McMurtry and A. E. Siegman, "Photomixing Experiments with a Ruby Optical Maser and a Traveling-Wave Microwave Phototube," Appl. Opt. 1, 51-53 (1962)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-1-1-51

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