A team at Bell Labs has made a continuous parametric oscillator, tunable over a wide frequency range, with a barium‐sodium niobate crystal as the nonlinear medium. The work is reported by Richard Smith, Joseph Geusic, Hyman Levinstein, Jerry Rubin, Shobha Singh and Lagrande van Uitert in Appl. Phys. Letters, 1 May.
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© 1968 American Institute of Physics.
1968
American Institute of Physics
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