A grating coupler for in-situ alignment of a Gaussian beam-principle, design, and low-power test

IEEE Transactions on Antennas and Propagation

Volumn 52, Issue 10, 2004, Pages 2517-2524

  Shi, Jiaming ^a   Kasparek, Walter ^b  

^a ELECTRONIC ENGINEERING INSTITUTE   (China)

^b UNIVERSITY OF STUTTGART   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

ALIGNMENT; ELECTROMAGNETIC WAVE POLARIZATION; IMAGE QUALITY; INTEGRATION; LIGHT TRANSMISSION; MILLIMETER WAVES; MIRRORS; WAVEGUIDE COUPLERS;

BEAM WAVEGUIDE; GRATING COUPLER; PHASE GRATINGS; QUASIOPTICAL TRANSMISSION SYSTEM; STELLARATOR;

WAVEGUIDES;

EID: 7244253313     PISSN: 0018926X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TAP.2004.834409     Document Type: Article

References (15)

1. V. Erckmann, H. J. Hartfuß, M. Kick, H. Renner, J. Sapper, F. Schauer, E. Speth, F. Wesner, F. Wagner, M. Wanner, A. Weller, and H. Wobig, "The W7-X project: Scientific basis and technical realization," in Proc. 17th IEEE/NPSS Symp. Fusion Engineering, San Diego, CA, 1997.
2. G. Dammertz, S. Alberti, A. Arnold, E. Borie, V. Erckmann, G. Gantenbein, E. Giguet, R. Heidinger, J. P. Hogge, S. Illy, W. Kasparek, K. Koppenburg, M. Kuntze, H. P. Laqua, G. LeCloarec, Y. LeGoff, W. Leonhardt, C. Lievin, R. Magne, G. Michel, G. A. Müller, G. Neffe, B. Piosczyk, M. Schmid, K. Schwörer, M. Thumm, and M. Q. Tran, "Development of a 140-GHz 1-MW continuous wave gyrotron for the W7-X stellarator," IEEE Trans. Plasma Science, vol. PS-30, pp. 808-818, 2002.
3. L. Empacher, W. Förster, G. Gantenbein, W. Kasparek, G. A. Mü ller, P. G. Schüller, K. Schwörer, U. Schumacher, D. Wagner, V. Erckmann, T. Geist, and H. P. Laqua, "Conceptual design of 140 GHz /10 MW CW ECRH system for the stellarator W7-X," in Fusion Technology 1996, C. Varandas and F. Serra, Eds. Amsterdam, The Netherlands: Elsevier Science B.V., 1997, vol. 1, pp. 541-544.
4. L. Empacher and W. Kasparek, "Analysis of a multiple-beam waveguide for free-space transmission of microwaves," IEEE Trans. Antennas Propagat., vol. AP-49, pp. 483-493, Mar. 2001.
5. W. Kasparek, L. Empacher, V. Erckmann, G. Gantenbein, F. Hollmann, H. P. Laqua, P. G. Schüller, M. Weissgerber, and H. Zohm, " Mirror development for the 140 GHz ECRH transmission system on the stellarator W7-X," Fusion Eng. Design, vol. 53, pp. 545-551, 2001.
6. R. Petit. Ed., Electromagnetic Theory of Gratings. Berlin, Germany: Springer Verlag, 1980.
7. P. Goldsmith, Quasi-Optical Systems. New York: IEEE Press, 1998.
8. W. Kleen and R. Müller, Eds., Laser. Berlin: Springer Verlag, 1969.
9. H. Kogelnik, "Coupling and conversion coefficients for optical modes," in Proc. Symp. Quasi-Optics, 1964, pp. 333-347.
10. W. Joyce and B. DeLoach, "Alignment of Gaussian beams," Appl. Optics, vol. 23, pp. 4187-4196, 1984.
11. M. Hutley, Diffraction Gratings. London, U.K.: Academic Press, 1982.
12. J. Murphy, "Distortions of a simple Gaussian beam on reflection from off-axis ellipsoidal mirrors," Int. J. Infrared Millimeter Waves, vol. 8, pp. 1165-1187, 1987.
13. W. Kasparek, H. Idei, S. Kubo, and T. Notake. "Beam waveguide reflector with integrated direction-finding antenna for in-situ alignment," Int. J. Infrared Millimeter Waves, vol. 24, pp. 451-472, 2003.
14. Principles and Applications of Millimeter-Wave Radar, N. C. Currie and C. E. Brown, Eds., Artech House, Norwood, MA, 1987.
15. A. W. Rudge, A. Milne, A. D. Olver, and P. Knight, The Handbook of Antenna Design. London, U.K.: Peter Peregrinus, 1986, vol. 1 and 2.