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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 5, Iss. 6 — Jun. 1, 1966
  • pp: 999–1001

Laser Mode Control by Internal Modulation Using the Transverse Electrooptic Effect in Quartz

G. A. Massey  »View Author Affiliations


Applied Optics, Vol. 5, Issue 6, pp. 999-1001 (1966)
http://dx.doi.org/10.1364/AO.5.000999


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Abstract

A practical method is described for inducing fm and phase-locked oscillations in a small He–Ne laser at 6328 Å, with negligible reduction of output power. Internal phase modulation was produced using the electrooptic effect in synthetic crystal quartz. Although crystal quartz has a small electrooptic effect, it has nearly ideal optical properties, and excellent optical surfaces can be produced on it; thus, the laser power is not reduced significantly when the modulator crystal is inserted. The laser spectrum and rf mode beats were observed at several modulation frequencies, and suppression of low-frequency amplitude modulation on the output was obtained with stable fm or phase-locked operation. Agreement with the Harris and McDuff fm theory is discussed.

© 1966 Optical Society of America

History
Original Manuscript: January 30, 1966
Published: June 1, 1966

Citation
G. A. Massey, "Laser Mode Control by Internal Modulation Using the Transverse Electrooptic Effect in Quartz," Appl. Opt. 5, 999-1001 (1966)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-5-6-999

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