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Applied Optics

Applied 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)

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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

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

G. A. Massey, "Laser Mode Control by Internal Modulation Using the Transverse Electrooptic Effect in Quartz," Appl. Opt. 5, 999-1001 (1966)

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  1. S. E. Harris, Russell Targ, Appl. Phys. Letters 5, 202 (1964). [CrossRef]
  2. E. O. Ammann, B. J. McMurtry, M. Kenneth Oshman, Proc. IEEE QE-1, 263 (1965).
  3. L. E. Hargrove, R. L. Fork, M. A. Pollack, Appl. Phys. Letters 5, 4 (1964). [CrossRef]
  4. S. E. Harris, O. P. McDuff, Appl. Phys. Letters 5, 205 (1964). [CrossRef]
  5. D. D. Eden, G. H. Thiess, Appl. Opt. 2, 868 (1963). [CrossRef]
  6. G. A. Massey, M. Kenneth Oshman, Russell Targ, Appl. Phys. Letters 6, 10 (1965). [CrossRef]

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