Abstract

The linear electro-optic coefficients of KH<sub>2</sub>PO<sub>4</sub> and a number of its isomorphs have been measured at room temperature using dc voltages. The results at 546 nm are as follows: <i>r</i><sub>63</sub>=10.3±0.1×10<sup>-12</sup>m/V for KH<sub>2</sub>PO<sub>4</sub>, 10.9±0.1×10<sup>-12</sup> m/V for KH<sub>2</sub>AsO<sub>4</sub>, and 13.0±0.2×10<sup>-12</sup> m/V for RbH<sub>2</sub>AsO<sub>4</sub>; <i>r</i><sub>41</sub>=8.77±0.14×10<sup>-12</sup> m/V for KH<sub>2</sub>PO<sub>4</sub>, 24.5±0.4×10<sup>-12</sup> m/V for NH<sub>4</sub>H<sub>2</sub>PO<sub>4</sub>, 12.5±0.4×10<sup>-12</sup> m/V for KH<sub>2</sub>AsO<sub>4</sub>, and 8.8±0.4×10<sup>-12</sup> m/V for KD<sub>2</sub>PO<sub>4</sub> which was about 90% deuterated. A transverse modulator based on a single 45° Y-cut crystal of NH<sub>4</sub>H<sub>2</sub>PO<sub>4</sub> is proposed which requires only 45 V rms for 50% amplitude modulation of 632.8 nm light.

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  1. T. R. Sliker and S. R. Burlage, J. Appl. Phys. 34, 1837 (1963).
  2. Hans Jaffe, U. S. Patent No. 2,591,701; R. O'B. Carpenter, J. Opt. Soc. Am. 40, 225 (1950).
  3. American Institute of Physics Handbook, edited by D. E. Gray (McGraw-Hill Book Company, Inc., New York, 1963), 2nd ed., pp. 6–188.
  4. I. P. Kaminow, Phys. Rev. Letters 6, 528 (1961).
  5. P. A. Franken and J. F. Ward, Rev. Mod. Phys. 35, 23 (1963).
  6. F. J. McClung and R. W. Hellwvarth, Proc. IEEE 51, 46 (1963).
  7. F. R. Marshall and D. L. Roberts, Proc. IRE 50, 2108 (1962).
  8. O. G. Vlokh and I. S. Zheludev, Kristallografiya 5, 390 (1960) [English transl.: Soviet Phys.—Cryst. 5, 368 (1960)].
  9. A. N. Winchell, Microscopic Characters of Artificial Minerals (John Wiley & Sons, Inc., New York, 1931).
  10. B. Zwicker and P. Scherrer, Helv. Phys. Acta 17, 346 (1944).
  11. D. A. Berlincourt, D. R. Curran, and H. Jaffe, in Physical Acoustics, edited by W. P. Mason (Academic Press Inc., New York, 1964), Vol. I, Part A, p. 181.
  12. The 45° Y amplitude modulator may be converted to a frequency or phase modulator if the second polarizer is removed and the Y axis of the crystal is set perpendicular to the axis of the first linear polarizer.
  13. Model 112, Spectra-Physics, Mountain View, California.
  14. J. L. Wentz, Proc. IEEE 52, 716 (1964).
  15. A. Yariv, Proc. IEEE 52, 719 (1964).

Berlincourt, D. A.

D. A. Berlincourt, D. R. Curran, and H. Jaffe, in Physical Acoustics, edited by W. P. Mason (Academic Press Inc., New York, 1964), Vol. I, Part A, p. 181.

Burlage, S. R.

T. R. Sliker and S. R. Burlage, J. Appl. Phys. 34, 1837 (1963).

Curran, D. R.

D. A. Berlincourt, D. R. Curran, and H. Jaffe, in Physical Acoustics, edited by W. P. Mason (Academic Press Inc., New York, 1964), Vol. I, Part A, p. 181.

Franken, P. A.

P. A. Franken and J. F. Ward, Rev. Mod. Phys. 35, 23 (1963).

Hellwvarth, R. W.

F. J. McClung and R. W. Hellwvarth, Proc. IEEE 51, 46 (1963).

Jaffe, H.

D. A. Berlincourt, D. R. Curran, and H. Jaffe, in Physical Acoustics, edited by W. P. Mason (Academic Press Inc., New York, 1964), Vol. I, Part A, p. 181.

Jaffe, Hans

Hans Jaffe, U. S. Patent No. 2,591,701; R. O'B. Carpenter, J. Opt. Soc. Am. 40, 225 (1950).

Kaminow, I. P.

I. P. Kaminow, Phys. Rev. Letters 6, 528 (1961).

Marshall, F. R.

F. R. Marshall and D. L. Roberts, Proc. IRE 50, 2108 (1962).

McClung, F. J.

F. J. McClung and R. W. Hellwvarth, Proc. IEEE 51, 46 (1963).

Roberts, D. L.

F. R. Marshall and D. L. Roberts, Proc. IRE 50, 2108 (1962).

Scherrer, P.

B. Zwicker and P. Scherrer, Helv. Phys. Acta 17, 346 (1944).

Sliker, T. R.

T. R. Sliker and S. R. Burlage, J. Appl. Phys. 34, 1837 (1963).

Vlokh, O. G.

O. G. Vlokh and I. S. Zheludev, Kristallografiya 5, 390 (1960) [English transl.: Soviet Phys.—Cryst. 5, 368 (1960)].

Ward, J. F.

P. A. Franken and J. F. Ward, Rev. Mod. Phys. 35, 23 (1963).

Wentz, J. L.

J. L. Wentz, Proc. IEEE 52, 716 (1964).

Winchell, A. N.

A. N. Winchell, Microscopic Characters of Artificial Minerals (John Wiley & Sons, Inc., New York, 1931).

Yariv, A.

A. Yariv, Proc. IEEE 52, 719 (1964).

Zheludev, I. S.

O. G. Vlokh and I. S. Zheludev, Kristallografiya 5, 390 (1960) [English transl.: Soviet Phys.—Cryst. 5, 368 (1960)].

Zwicker, B.

B. Zwicker and P. Scherrer, Helv. Phys. Acta 17, 346 (1944).

Other (15)

T. R. Sliker and S. R. Burlage, J. Appl. Phys. 34, 1837 (1963).

Hans Jaffe, U. S. Patent No. 2,591,701; R. O'B. Carpenter, J. Opt. Soc. Am. 40, 225 (1950).

American Institute of Physics Handbook, edited by D. E. Gray (McGraw-Hill Book Company, Inc., New York, 1963), 2nd ed., pp. 6–188.

I. P. Kaminow, Phys. Rev. Letters 6, 528 (1961).

P. A. Franken and J. F. Ward, Rev. Mod. Phys. 35, 23 (1963).

F. J. McClung and R. W. Hellwvarth, Proc. IEEE 51, 46 (1963).

F. R. Marshall and D. L. Roberts, Proc. IRE 50, 2108 (1962).

O. G. Vlokh and I. S. Zheludev, Kristallografiya 5, 390 (1960) [English transl.: Soviet Phys.—Cryst. 5, 368 (1960)].

A. N. Winchell, Microscopic Characters of Artificial Minerals (John Wiley & Sons, Inc., New York, 1931).

B. Zwicker and P. Scherrer, Helv. Phys. Acta 17, 346 (1944).

D. A. Berlincourt, D. R. Curran, and H. Jaffe, in Physical Acoustics, edited by W. P. Mason (Academic Press Inc., New York, 1964), Vol. I, Part A, p. 181.

The 45° Y amplitude modulator may be converted to a frequency or phase modulator if the second polarizer is removed and the Y axis of the crystal is set perpendicular to the axis of the first linear polarizer.

Model 112, Spectra-Physics, Mountain View, California.

J. L. Wentz, Proc. IEEE 52, 716 (1964).

A. Yariv, Proc. IEEE 52, 719 (1964).

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