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FIBEROPTIC SENSOR TECHNOLOGY HANDBOOK

FIBEROPTIC SENSOR TECHNOLOGY HANDBOOK

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5.4.17~<br />

Once the various noise mechanisms in fiber<br />

gyros were uncovered and understood, published performance<br />

data began to improve rapidly. Fiber gyros employing<br />

several hundred meters of fiber wound around a coil<br />

of 15 to 20 cm in diameter have demonstrated short term<br />

drifts in the range of 0.1 - O.01”/hr for averaging<br />

times of about 10 seconds (see Refs. 17 and 18, Subsection<br />

5.4.20). Long term drift of O.lO/hr for more than<br />

one hour has also been demonstrated (see Refs. 17 and<br />

18, Subsection 5.4.20).<br />

5.4.18 Summary of Rotation-Rate Sensors<br />

In summary, fiberoptic rotation sensors have<br />

demonstrated promising preliminary performance. However<br />

most of the causes of short term noise are understood,<br />

the causes of long term drift need further study. Clearly,<br />

the emphasis must now be placed on integrated device<br />

development.<br />

5.4.19 General Conclusions Regarding Fiberoptic<br />

Sensors<br />

It may be concluded for this entire chapter<br />

that fiberoptic sensors demonstrate tremendous potential<br />

for application in any area that requires the sensing<br />

of physical parameters, including electric fields,<br />

magnetic fields, forces, temperature, pressure, linear<br />

and rotation displacements, velocities, and accelerations.<br />

Application areas include navigation, medical<br />

engineering, surveying, transportation, telemetry (communication),<br />

in fact, any area in which measurements<br />

are to be made.<br />

5.4.20 References<br />

1.<br />

2.<br />

3.<br />

4.<br />

5.<br />

6.<br />

7.<br />

8.<br />

9.<br />

10.<br />

D.H. Eckhardt, Proc. Soc. Photo-Opt. Instru. Eng.<br />

~, 172 (1978).<br />

M.O. Scully, in Proc. of the Fifth International<br />

Conf. on Laser Spectroscopy, H. Walther and K.<br />

Rothe, eds. (Springer-Verlag, Berlin, 1979); M.P.<br />

Haugan, M.O. Scully, and K. Just, Phys. Lett. ~,<br />

88 (1980).<br />

J.H. Simpson, Astron. & Aeron. ~, #10, 42 (1964).<br />

G. Sagnac, Compt. Rend=, 708 (1913).<br />

E.J. Post, Rev. Mod. Phys. 39, 475 (1967). —<br />

A.H. Rosenthal, J. Opt. Soc. Am. ~, 1143 (1962).<br />

V. Vali and R.W. Shorthill, Appl. Opt. ~, 1099<br />

(1976).<br />

S. Ezekiel and S.R. Balsamo, Apply Phys. Lett. 30, —<br />

478 (1977).<br />

G.A. Sanders, M.G. Prentiss and S. Ezekiel, Opt.<br />

Lett. ~, 569 (1981).<br />

T.A. Dorschner, H.A. Haus, M. HoIz, I.W. Smith,<br />

and H. Stata, IEEE. J. Quant. Electron, QE-16,<br />

1376 (1980).<br />

13.<br />

14.<br />

15.<br />

16.<br />

17.<br />

18.<br />

19.<br />

20.<br />

21.<br />

22.<br />

23.<br />

24.<br />

25.<br />

26.<br />

27.<br />

28.<br />

29.<br />

30.<br />

31.<br />

32.<br />

33.<br />

34.<br />

G. Pircher, M. Lacombat and H. Lefevre, Proc. Soc.<br />

Photo-Opt. Instrum. Eng. 157, 212 (1978). —<br />

W.C. Davis, W.L. Pondrom and D.E. Thompson, Proc.<br />

of International Conf. on Fiberoptic Rotation Sensors,<br />

M.I.T., (Nov. 1981), Springer-Verlag (to be<br />

published).<br />

H. Arditty, M. Papuchon, K. Thyagarapan, and C.<br />

Puech in Digest or Topical Meeting on Integrated<br />

and Giroled-Wave Optics, O.S.A. Meeting, Washington,<br />

D.C. (1980).<br />

R. Ulrich, Opt. Lett. ~, 173 (1980).<br />

R.A. Bergh, H.C. Lefevre and H.J. Shaw, Opt. Lett.<br />

~, 502 (1981).<br />

J.L. Davis and S. Ezekiel, opt. Lett. g, 505<br />

(1981).<br />

D.E. Thompaon, D.B. Anderson, S.K. Yao and B.R.<br />

youmans, Appl. Phys. Lett. — 33, 940 (1978).<br />

R.F. Cahill and E. Udd, Opt. Lett. ~, 93 (1979).<br />

C.C. Cutler, S.A. Newton, and H.J. Shaw, Opt. Lett.<br />

~, 488 (1980).<br />

R. Ulrich, Opt. Lett. ~, 173 (1980).<br />

K. Bohm, P. Ruaser, E. Weidel and R. Ulrich, Opt.<br />

Lett. ~, 64 (1981).<br />

K. Bohm, P. Marten, K. Petermann, E. Weidel and<br />

R. Ulrich, Electon. Lett. ~, 352 (1981).<br />

R. Ulrich, Proc. of International Conf. on Fiberoptic<br />

Rotation Sensors, M.I.T. (November, 1981),<br />

Springer-Verlag (to be published).<br />

G. Schiffner, W.R. Leeb, H. Krammer and J. Wittmsn,<br />

Appl. Opt. 18, 2096 (1979). —<br />

I.p. Kaminow, J. Quant. Elect. Q.E.-17, 15 (1981).<br />

D.M. Shupe, Appl. Opt. 19, 654 (1980). —<br />

E.C. Kintner, Opt. Lett. ~, 154 (1981).<br />

K. Bohm, K. Petermann and E. Weidel, Opt. Lett. ~,<br />

180 (1982).<br />

S. Ezekiel, J.L. Davis and R. Hellwarth, Proc. of<br />

International Conf. on Fiberoptic Rotation Sensors,<br />

M.I.T. (Nov. 1981), Springer-Verlag (to be<br />

published).<br />

R. Goldstein and W.C. Rnss, Proc. Soc. Photo-Opt.<br />

Instrum. Eng. 157, 122 (1978).<br />

M.N. McLandrich and H.F. Rast, Proc. Soc. Photo-<br />

Opt. Instrum. Eng. ~, 127 (1978).<br />

M. Papuchon and C. Puech, Proc. Soc. Photo-Opt.<br />

Instrum. Eng. 157, 218 (1978). —<br />

11.<br />

12.<br />

J.L. Davis and S. Ezekiel, Proc. Soc. Photo-Opt.<br />

Instrum. Eng. 157, 172 (1978). —<br />

A. Yariv, “Introduction to Optical Electronics”,<br />

Holt, Rinehart, & Winston, (1976).<br />

5-23

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