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A. V. Räisänen, D. Choudhury, R. J. Dengler, J. E. Oswald, P. H.
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J. Zhang, A. V. Räisänen: A new model of step recovery diode for
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O. P. Koistinen, H. T. Valmu, A. Räisänen, V. F. Vdovin, Y. A. Dryagin,
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J. Mees, Y. Brand, V. Hansen, H. Hartnagel, E. Kollberg, C.-I. Lin, H. Merkel, J. Mosig, P. Otero, P. Piironen, A. Räisänen, A. Simon, T. Vaupel, C.-C. Lin, P. de Maagt, T. Närhi: Key advanced structure investigations for mm- and submm-wave integrated receivers (KASIMIR). Proc. of 2nd ESA Workshop on Millimeter Wave Technology and Applications: Antennas, Circuits and Systems, Eds. J. Mallat, A. Räisänen, J. Tuovinen, 27-29 May 1998, MilliLab, Espoo, Finland, ESA WPP-149, 1998, pp. 49-54.
P.R. Wesselius, Th.d. Graauw, K.J. Wildeman, H.v.d. Stadt, N.D. Whyborn, W. Luinge, J.R. Gao, G. Ploeger, H.C. Altena, J. Evers, H. Golstein, L. Meinsma, Van d. Ngyen, H. Smit, S. Kikken, R.v.d. Schuur, C. Pieters, H. Doedens, W. Horinga, V.P. Koshelets, S.V. Shitov, A.M. Baryshev, A.B. Ermakov, L.V. Fillipenko, T.H. Dijk, B. Kruizenga, P. Lehikoinen, A.V. Räisänen: Submillimetre integrated SIS imaging receiver technologies (SISIRT), Final report, ESA Contract 11653/95/NL/PB, Doc. No. SRON STS-WL-98/024.
N. Mandolesi, M. Bersanelli, C. Cesarsky, L. Danese, G. Efstathiou, M. Griffin, J. M. Lamarre, H. U. Norgaard-Nielsen, O. Pace, J. L. Puget, A. Räisänen, G. F. Smoot, J. Tauber, S. Volonté: The COBRAS/SAMBA space mission. Il Nuovo Cimento, Vol. 20 C, No. 5, September-October 1997, pp. 685-692.
J. Mees, A. Simon, H. Hartnagel, G. Eleftheriades, Y. Brand, J. Mosig, T. Vaupel, V. Hansen, P. Piironen, A. Raisanen, H. Ekström, E. Kollberg,: Open structure integrated Schottky receiver for space applications. The 20th ESTEC Antenna Workshop on Millimetre Wave Antenna Technology and Antenna Measurements, ESTEC, Noordwijk, June 18-20, 1997, pp. 257-264.
S. V. Shitov, V. P. Koshelets, A. M. Baryshev, L. V. Filippenko, W. Luinge, J. - R. Gao, P. Lehikoinen: Study of a quasioptical superconducting integrated receiver for imaging applications at 400 - 700 GHz. Proceedings of the 8th International Symposium on Space Terahertz Technology, Cambrigde, Massachusetts, USA, March 25 - 27, 1997, pp. 281-286.
V.P. Koshelets, S.V. Shitov, L.V. Filippenko, A.M. Baryshev, A.V. Shchukin, G.V. Prokopenko, P.G. Litskevitch, Th. de Graauw, W. Luinge, H. van de Stadt, H. Golstein, H. Schaeffer, T.M. Klapwijk, J.R. Gao, P.K. Lehikoinen, J. Mygind,: Integrated submillimetre heterodyne receivers. 30th ESLAB Symposium, Noordwijk, 1996, pp. 193-202.
A. Räisänen: Technology and system development for atmospheric observations at millimeter and submillimeter wavelengths: Finnish participation and contributions (invited paper). XI Int. Microwave Conference MIKON 96, Warsaw, 1996, Vol. 3, pp. 110-115.
S.V. Shitov, V.P. Koshelets, A.M. Baryshev, L.V. Filippenko, Th. de Graauw, J.R.Gao, W. Luinge, H. van de Stadt, N.D. Whyborn, P.K. Lehikoinen, P.K: Development of superconducting integrated receiver for application in imaging arrays. Seventh International Symposium on Space Terahertz Technology, Virginia, USA, 1996, pp. 417-425.
P. Piironen, P. Lehikoinen, A. Lehto, J. Mallat, A. Räisänen: Development of front-end parts for cooled 119 GHz Odin-satellite receiver. URSI/IEEE/IRC XXI Convention on Radio Science, Espoo, 1996, pp. 195-196.
M. Bersanelli, N. Mandolesi, C. Cesarsky, L. Danese, G. Efstathiou, M. Griffin, J.M. Lamarre, H.U. Norgaard-Nielsen, O. Pace, J.L. Puget, A. Räisänen, G. Smoot, J. Tauber, S. Volonte: COBRAS/SAMBA: The European space mission to map the CBR anisotropy. Astrophys. Lett. & Comm., 1996, Vol. 33, pp. 19-24.
J. Xu, A. V. Räisänen: Impedance modeling of a whisker mounted in
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J. Xu, A. V. Räisänen: A method of moments solution to a three-dimensional whisker structure. International Journal of Infrared and Millimeter Waves, vol. 15, no. 4, pp. 671-682, 1994.
A. P. Zhao, A. V. Räisänen: A simple source excitation scheme for
the FD-TD analysis of waveguide discontinuities. Proceedings of 25th European
Microwave Conference, Bologna,vol. 2, pp. 761-764, 1995.
A. P. Zhao, A. V. Räisänen, S. R. Cvetkovic: A fast and efficient
FDTD algorithm for the analysis of planar microstrip discontinuities by using
a simple source excitation scheme. IEEE Microwave Guided Wave Letters,
vol. 5, no. 10, pp. 341-344, 1995.
J. Ala-Laurinaho, T. Hirvonen, J. Tuovinen, A. Räisänen: Numerical
modelling of a non-uniform grating with FDTD. Microwave and Optical Technology
Letters, vol. 15, no. 3, pp. 134-139, 1997.
A. Zhao, J. Juntunen, A.V. Räisänen: Generalized material independent
PML absorbers for the FDTD simulation of electromagnetic waves in arbitrary
anisotropic dielectric and magnetic media. IEEE Microwave and Guided Wave
Letters, Vol. 8, No. 2, pp. 52-54, Feb. 1998.
A. Zhao: Application of the material-independent PML absorbers to the FDTD analysis of electromagnetic waves in nonlinear media. Microwave and Optical Technology Letters, Vol. 17, No. 3, pp. 164-168, Feb. 1998.
A. P. Zhao, J. Juntunen, A. V. Räisänen: Authors' reply to "Comments on' Generalized material-independent PML absorbers for the FD-TD simulation of electromagnetic waves in arbitrary anisotropic dielectric and magnetic media", IEEE Microwave and Guided Wave Letters, Vol. 9, No. 5, pp. 202-203, May 1999.
N. V. Kantartzis, J. Juntunen, T. D. Tsiboukis: An enhanced higher-order FDTD technique for the construction of efficient reflectionless PMLs in 3-D generalized curvilinear coordinate systems,1999 IEEE AP-S International Symposium Digest, Orlando, Florida, July 11-16, 1999, pp. 1894-1897.
A. P. Zhao, A. V. Räisänen: Extension of Berenger's PML absorbing boundary conditions to arbitrary anisotropic magnetic media. IEEE Microwave and Guided Wave Letters, Vol. 8, No. 1,1998, pp. 15-17.
A. P. Zhao, J. Juntunen, A.V. Räisänen: A generalized compact 2-D FDTD model for the analysis of guided modes of anisotropic waveguides with arbitrary tensor permittivity. Microwave and Optical Technology Letters, Vol. 18, No. 1, 1998, pp. 17-23.
A. Zhao, J. Juntunen, A.V. Räisänen: Analysis of hybrid modes in channel multilayer optical waveguides with the compact 2-D FDTD method. Microwave and Optical Technology Letters, Vol. 15, No. 6, 1997, pp. 398-403.
A. Zhao, J. Juntunen, A.V. Räisänen: Material independent PML absorbers for arbitrary anisotropic dielectric media. Electronics Letters, Vol. 33, No. 18, 1997, pp. 1535-1536.
J. Xu, A. Zhao, A.V. Räisänen: A stable algorithm for modelling lumped circuit source across multiple FDTD cells. IEEE Microwave and Guided Wave Letters, Vol. 7, No. 9, 1997, pp. 308-310.
J. Juntunen, A. Zhao: Auto-extraction of the correct field distribution of guided modes from 2-D FDTD simulation. URSI/IEEE/IRC XXI Convention on Radio Science, Espoo, 1996, pp. 135-136.
J. Ala-Laurinaho, T. Hirvonen, J. Tuovinen, A. Räisänen: The simulation of a hologram CATR with FDTD. URSI/IEEE/IRC XXI Convention on Radio Science, Espoo, 1996, pp. 85-86.
A. Zhao, A. Räisänen: Accurate and detailed FDTD solution of microwave integrated circuits using the frequency shifting technique. IEEE-MTT-S International Microwave Symposium, San Franscisco, 1996, pp. 577 - 580.
A. Zhao, A. Räisänen: Application of a simple and efficient source excitation technique to the FDTD analysis of waveguide and microstrip circuits. IEEE Trans. on Microwave Theory and Techniques, 1996. Vol. 44, No. 9, pp. 1535-1539.
J. Juntunen, T. D. Tsiboukis: On the FEM treatment of wedge singularities in waveguide problems, 1999 IEEE AP-S International Symposium Digest, Orlando, Florida, July 11-16, 1999, pp. 464-467.
T. Sehm, A. Lehto, A.V. Räisänen: Matching of a rectangular waveguide T junction with unequal power division. Microwave and Optical Technology Letters, Vol. 14, No. 3, 1997, pp. 141-143.
J. Tuovinen, T. Hirvonen, A. Räisänen: Near-field analysis of a thick lens and horn combination: theory and measurements. IEEE Transactions on Antennas and Propagation, vol. AP-40, no. 6, pp. 613-619, 1992.
J. Tuovinen: Accuracy of a Gaussian beam. IEEE Transactions on Antennas
and Propagation, vol. AP-40, no. 4, pp. 391-398, 1992.
A. Friberg, T. Jaakkola, J. Tuovinen: Electromagnetic Gaussian beam beyond the paraxial region. IEEE Transactions on Antennas and Propagation, vol. AP-40, no. 8, pp. 984-989, 1992.
J. Tuovinen, A. Vasara, A. Räisänen: A new type of compact antenna
test range. Proceedings of the 22nd European Microwave Conference, Espoo,
vol. 1, pp. 503-508, 1992.
T. Hirvonen, J. Ala-Laurinaho, J. Tuovinen, A.V. Räisänen: A compact antenna test range based on a hologram. IEEE Trans. on Antennas and Propagation, Vol. 45, No. 8, 1997, pp. 1270-1276.
J. Ala-Laurinaho, T. Hirvonen, A.V. Räisänen: On the planarity errors of the hologram of the CATR, 1999 IEEE AP-S International Symposium Digest, Orlando, Florida, July 11-16, 1999, pp. 2166-2169.
A.V. Räisänen, T. Hirvonen, J. Ala-Laurinaho, A. Lehto: Hologram as the collimating element in a compact antenna test range at millimeter wavelengths (invited paper). SPIE Vol. 3464, San Diego, July 1998, pp 212-221.
J. Ala-Laurinaho, T. Hirvonen, A. Räisänen: Optimization of a submillimeter wave hologram CATR. 1997 IEEE AP-S International Symposium, Montreal, July 1997, pp. 136-139.
A. Vasara, E. Noponen, J. Turunen, J. M. Miller, M. R. Taghizadeh, J. Tuovinen: Rigorous diffraction theory of binary optical interconnects. Holographic optics III: Principle and applications, G.M. Morris, Editor, Proc. of SPIE 1507, pp. 224-238, 1991.
J. Tuovinen, A. Lehto, A. Räisänen, A.: Phase measurements of millimeter
wave antennas at 105-190 GHz with a novel differential phase method. IEE
Proceedings, Part H, vol. 138, no. 2, pp. 114-120, 1991.
A. Lehto, J. Tuovinen, O. Boric, A. Räisänen: Accurate millimeter wave antenna phase pattern measurement using the differential phase method with three power meters. IEEE Transactions on Antennas and Propagation, vol. AP-40, no. 7, pp. 851-853, 1992.
J. Mallat, A. Lehto, J. Tuovinen: Antenna phase pattern measurements at millimeter wave frequencies using the differential phase method with only one power meter. International Journal of Infrared and Millimeter Waves, vol. 15, no. 9, pp. 1497-1506, 1994.
J. Tuovinen, A. Lehto, A. Räisänen: A new method for correcting phase errors caused by flexing of cables in antenna measurements. IEEE Transactions on Antennas and Propagation, vol. AP-39, no. 6, pp. 859-861, 1991.
A. Lehto, J. Tuovinen, A. Räisänen: Proposed
method for measurement of absorption loss and beam efficiency of large mm-wave
reflector antennas in compact antenna test range. IEE Proceedings, Part H,
vol. 138, no. 1, pp. 13-18, 1991.
T. Hirvonen, J. Tuovinen, A. V. Räisänen: Tolerance analysis of
a 500 GHz amplitude hologram. Proceedings of the 6th International Symposium
on Space Terahertz Technology, Pasadena CA, 1995, pp. 397-406.
J. Tuovinen, T. Hirvonen, J. Ala-Laurinaho, A. Lehto, A. Räisänen:
Test method of the Odin satellite 1.1 m antenna at 119 and 500 GHz: progress
report. Proceedings of the ESTEC/EMSL Workshop on Large Measurement Facilities,
Noordwijk NL, 1995, pp. 41-53.
J. Tuovinen: Methods for testing reflector antennas at THz frequencies. IEEE
Antennas and Propagation Magazine, vol. 35, no. 6, pp. 7-13, 1993.
J. Ala-Laurinaho, T. Hirvonen, J. Tuovinen, A. Räisänen: The simulation
of a hologram CATR with FDTD. Proceedings of the URSI/IEEE/IRC XXI Convention
on Radio Science, Espoo, 1996, pp. 85-86.
T. Hirvonen, J. Ala-Laurinaho, J. Tuovinen, A. Lehto, A. Räisänen:
Development of a hologram CATR. Proceedings of the URSI/IEEE/IRC XXI Convention
on Radio Science, Espoo, 1996, pp. 61-62.
A. Räisänen, T. Hirvonen, J. Tuovinen, J. Ala-Laurinaho, A. Lehto:
Development of a test method for the Odin satellite 1.1 m antenna at 119 and
500 GHz (invited paper). Proceedings of the 4th International Conference
on Millimeter Wave and Far Infrared Science and Technology, Beijing CN,
1996, pp. 13-20.
T. Hirvonen, J. Ala-Laurinaho, P. Piironen, J. Tuovinen, A. Räisänen:
119 GHz CATR based on a 2.4 m hologram. Proceedings of the 19th Annual Meeting
and Symposium of the Antenna Measurement Techniques Association (AMTA),
Boston MA, 17-21 Nov. 1997, pp. 164-169.
J. Ala-Laurinaho, P. Foster, G. Junkin, T. Hirvonen, A. Lehto, D. Martin,
A. Olver, R. Padman, C. Parini, A. Räisänen, T. Sehm, J. Tuovinen,
R. Wylde: Comparison of antenna measurement techniques for 200 to 1500 GHz (invited
paper). Proceedings of the 20th ESTEC Antenna Workshop on Millimetre Wave
Antenna Technology and Antenna Measurement, Noordwijk, 18-20 June 1997,
pp. 345-351.
T. Sehm, A. Lehto, J. Tuovinen, A. Räisänen: Planar near-field scanning
measurements of large antennas at terahertz frequencies. Proceedings of the
20th ESTEC Antenna Workshop on Millimetre Wave Antenna Technology and Antenna
Measurement, Noordwijk, 18-20 June 1997, pp. 305-312.
T. Hirvonen, J. Ala-Laurinaho, A. Lehto, J. Tuovinen, A. Räisänen: Feasibility of a hologram CATR for measuring large mm- and submm-wave antennas. Proceedings of the 20th ESTEC Antenna Workshop on Millimetre Wave Antenna Technology and Antenna Measurement, Noordwijk, 18-20 June 1997, pp. 355-362.
J. Tuovinen, J. Ala-Laurinaho, J. Säily, J. Häkli, A. Lehto, A. V. Räisänen: Hologram - modern optics for millimetre and submillimetre wave antenna testing (Invited). Proceedings (in CD) of Millenium Conference on Antennas & Propagation, Davos, 2000.
T. Sehm, J. Ala-Laurinaho, T. Hirvonen, A. V. Räisänen: Antenna measurements using a hologram CATR, Electronics Letters, Vol. 35, No. 10, pp. 757-758, 1999.
J. Ala-Laurinaho, T. Hirvonen, A.V. Räisänen: A 40 GHz CATR based on a hologram. Proc. of 2nd ESA Workshop on Millimeter Wave Technology and Applications: Antennas, Circuits and Systems, Eds. J. Mallat, A. Räisänen, J. Tuovinen, 27-29 May 1998, MilliLab, Espoo, Finland, ESA WPP-149, 1998, pp. 542-547.
J. Ala-Laurinaho, T. Hirvonen, J. Tuovinen, A. Räisänen: Numerical modeling of a non-uniform grating with FDTD. Microwave and Optical Technology Letters, Vol. 15, No. 3, pp. 134-139, 1997.
T. Hirvonen, J. Ala-Laurinaho, J. Tuovinen, A. V. Räisänen: A compact antenna test range based on a hologram. IEEE Transactions on Antennas and Propagation, Vol. 45, No. 8, pp. 1270-1276, 1997.
A.V. Räisänen, T. Hirvonen, T. Sehm, J. Ala-Laurinaho, A. Lehto: Feasibility of different antenna measurement techniques at submillimeter wavelengths (invited paper). 1998 Int. Conf. on Microwave and Millimeter Wave Technology Proceedings, Beijing, August 18-20, 1998, pp. 367-371.
A.V. Räisänen, T. Hirvonen, J. Ala-Laurinaho, A. Lehto: Measurements of high gain antennas at millimeter wavelengths using a hologram CATR (invited paper). Third Int. Kharkov Symp. Physics and Engineering of Millimeter and Submillimeter Waves MSMW'98, Kharkov, September 15-17, 1998, pp 35-39.
T. Hirvonen, P. Piironen, J. Ala-Laurinaho, A. Lehto, A.V. Räisänen: Hologram CATR for mm- and submm-wavelengths: a progress report. Proc. of the Eighth Int. Symposium on Space Terahertz Technology, Cambridge, Mass., March 25 - 27, 1997, pp. 490-498.
J. Tuovinen, A. Vasara, A. Räisänen: Compact antenna test range. United States Patent No. 5670965, September 23, 1997.
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