26th International Conference on

Infrared and Millimeter Waves

Toulouse, France, 10 -14 September 2001

I.R.M.M.W.

Conference proceedings edited

by

Oliver Portugall & Jean Leotin

Contents

Atmospheric science, astronomy1-1

Detectors2-1

THz-generation and application 3-1

Spectroscopy & material characterization 4-1

Gyro-Devices5-1

Free electron devices6-1

Optical components & waveguides 7-1

8-1

lues9-1

<!X10-1

Atmospheric science, astronomy

Passive remote sensing of the atmosphere in the far and middle IR 1-2

B. Carli

SMILES/AOS: acousto-optical spectrometer for high resolution submillimeter-wave 1-7

spectroscopyL. Mazuray, F. Bayle, P. Clavieres, F. Delbru, L. Gladin, P. Guilleux, S. Halbout, C. Raballand,M. Reynauld, M. Trier, J-L. Varina, S. de Zotti, C. Rosolen, H. Ozeki

Nadir sounding of the Earth's atmosphere using thermal emission spectroscopy : IASI 1-13

balloon

C. Camy-Peyret, Y. Te, S. Payctn, P. Jeseck

Archeops: a large sky coverage millimeter experiment for mapping Cosmic Microwave 1-19

Background anisotropicsX. Dupac

Unveiling the sub-mm universe: SCUBA-2 the next generation camera for the James 1-21

Clerk Maxwell TelescopeW. Duncan, W, Holland, D. Avdley, D. Kelly, T. Peacock, P. Hastings, M. Macintosh, K. Irwin,

S. W. Nam, G. Hilton, S. Deiker, A. Walton, A. Gundlach, W. Parkes, C. Dunare, P. Ade,I. Robson

Real atmosphere laboratory measurements of the 118 GHz oxygen line 1-27

V.V. Parshin, M.Yu. Tretyakov, V.N. Shanin, A.A. Shvetcov, S.E. Myasnikova, M.A. Koshelev,

A.F. Krupnov

Design and characterization of 225-370 GHz DSB and 247-360 GHz SSB waveguide SIS 1 -30

mixers

A. Navarrini, D. Billon-Pierron, I. Peron, B. Lazareff

Difference-frequency generation based infrared source for use in quantitative analysis of 1-33

heavy molecules

E. Poullet, W. Chen, J. Burie, R. Bocquet

Difference frequency based infrared source: investigation of ethylene molecule line pa- 1-36

rameters

E. Poullet, W. Chen

Two focal mirror system for compensation of the moving image of a infrared telescope 1-38

E. Huseynov, V. Maharramov, V. Salmanov

1-1

Detectors

Quantum-dot photon detectors in the FIR range 2-3

S. Komiyama, 0. Astafiev, T. Kutsuwa, Y. Kawano

Far infrared and microwave semiconductor detectors 2-10

J. Bandaru, J. W. Beeman, B. Cardozo, E.E. Haller

Numerical modeling ofblocked impurity band detectors 2-16

N.M. Haegel, S.A. Samperi, A.M. White

GeSi-based blocked impurity band detector 2-22

V.Ya. Aleshkin, V.I. Gavrilenko.D.V. Kozlov, J. Leotin

LWIR quantum well infrared photodetectors above 77 K 2-25

P. Bois, E. Costard, E. Herniou, X. Marcadet, A. Manissadjian, P. Tribolet

HgCdTe MBE infrared materials for FPA's and multispectraJ detectors 2-30

J.P. Zanatta, B. Polge, S. Mibort, A. Million, J. Baylet, O. Gravand, G. Destefanis

High performance IR detectors covering a large range of applications from SWIR to 2-34

LWIR

A. Manissadjian, P. Tribolet

Infrared photoreceiver on the basis of low-dimensional structure 2-39

E. Huseynov

Video rate millimeterwave camera for concealed weapons detection 2-43

A. Pergande, L. Anderson

Mesoscopic effects in nanostructured GaAs Schottky detectors 2-46

H.P. Roeser, H. W. Huebers

Transient response of extrinsic photoconductors under non-uniform illumination 2-50

NM. Haegel, C. Pidlen, W.R. Schwartz, M.P. Smylie, J. Zinter

Amorphous silicon-based uncooled microbolometer technology 2-53

J.L. Tissot, A. Bain, S. Bisotto, E. Mottin, M. Vilain, JJ. Yon

NbN hot electron bolometer as mixer for far-infrared heterodyne receivers 2-59

H. W. Hilbers. A. Semenov, H. Richter, M. Birk, M. Krocka, U. Mai?; G. Gol 'tsman, K. Smirnov,

B. Voronov, E. Gershenzon

2-2 IRMMW2001 -Detectors

Application of novel 2D-electromagnetic crystal waveguide in microwave printed circuit 2-63

technologyF. Falcone, T. Lopetegi, M.A.G. Laso, M. Sorolla

Membrane supported circuits for millimetric and sub-miUimetric waves-length 2-67

P. Pons, K. Grenier, L. Rabbia, T. Parra, R. Plana, P. Caudrillier, P. Combes, 0. Pascal,

H. Aubert, A. Takacs, M. Salez, G. Gol'tsman

Photoreceiver with popcorn-noise reduction system 2-72

Z. Bielecki

Monolithic surface-wave assisted antenna for efficient millimeter-wave power combining 2-75

K.M.K.H. Leong, V. Radisic, L. Samoska, Y. Qian, T. Itoh

Two-Dimensional Receiving Slot Antenna Arrays for 2.5 THz CH3OH Laser Radiation 2-77

Y. Abe, Y. Yasuoka

Detection Properties of Thin-Film Warm Carrier Devices at 94 GHz 2-81

K. Suzuki, Y. Abe, T. Uchida, Y. Yasuoka

Antenna phase pattern measurements using a quasi-optical interferometric technique 2-85

J. W. Bowen, S. Hadjiloucas, H. W. Hiibers, J. Schubert

THz-generation and application

Terahertz electric field imaging 3.3X.C. Zhang

TeraHertz: the new challenge for quantum cascade lasers 3.IOA. Tredicucci

Optical and electronic routes for electromagnetic generation in the Terahertz gap 3.15

T. David, E. Peytavit, T. Akalin, F. Podevin, S. Arscott, P. Mounaix, O. Vanbesien, D. Lippens

Attempt to amplify THz pulsed radiation with a p-Ge active crystal 3.23

M. Tani, I. Hosako, M. Herrmann, K. Sakai, M. Watanabe, N. Hiromoto

Strong enhancement of THz radiation intensity from semi-insulatingGaAssurfaceabove 3-27

room temperatureM. Nakajima, M. Takahashi, M. Hangyo

Terahertz time-domain differentiators 3-30

A. Filin, M. Stowe, R. Kersting

Terahertz time-domain spectroscopy: towards metrology 3-33

L. Duvillaret, F Garet, J.L. Coutaz

Time-domain THz technologies for label-free genetic diagnostics 3-39

P. Haring Bolivar, M. Brucherseifer, M. Nagel, H. Kurz, A. Bosserhojf, R. Buttner

THz measurements of the M intermediate state of Bacteriorhodopsin 3-45

A. Markelz, S. Whitmire, J.R. Hillebrecht, R. Birge

On the phase inflection of a THz wave across a focal point 3-49

N.N. Zinov'ev, J.M. Chamberlain

High resolution broad band terahertz molecular laser spectrometer 3-52

L.F Constantin, L. Margules, J.M. Colmont, G. Wlodarczak, J. Demaison

Femtosecond buildup of Coulomb screening in photoexcited GaAs probed with a single- 3-56

cycle electric field transient covering the entire mid-infrared

A. Leitenstorfer, R. Hither, F Tamer, A. Brodschelm

Carrier dynamics in low-temperature grown GaAs studied by THz emission spec¬

troscopy

H. Ncimec, F. Kadlec, P. Kuzel, M. Khazan, S. Schmill, I. Wilke

3-61

3-2 IRMMW2001 - THz-generation and application

Ultrafast optical-pump terahertz-probe spectroscopy of strongly correlated electron ma- 3-65

terials

R.D. Averitt, V.K. Thorsmelle, A.I. Lobad, Q.X. Jia, S.A. Trugman, A.J. Taylor

Carrier dynamics and terahertz radiation in biased MQW's structures under picosecond 3-70

laser irradiation

M. Pugnet, C. de Matos

Terahertz time domain spectroscopy of MgO doped LiNb03 3-74

S. Nashima, M. Hangyo, J. Shikata, H. Ito

Evaluation of data from optical pump—terahertz probe experiments using Fourier 3-78

transformations

H. Nemec, F Kadlec, P. Kuzel

Characterization of photonic crystals composed oftwo-dimensional dielectric sphere ar- 3-82

ray using terahertz time-domain spectroscopy

T. Kondo, M. Hangyo, S. Yamaguchi, K. Ohtaka, S. Yano, Y. Segawa

Principal component analysis technique for terahertz spectroscopic data 3-85

S. Hadjiloucas, J. W. Bowen, R.KH. Galva

Convertible transmission-reflection time-domain terahertz spectrometer 3-89

M. Khazan, R. Meissner, I. Wilke

Effects of nonlinear capacitance on the performance of NLTL frequency multipliers: 3-93

searching the key parameter for multiplier optimisationJ.A. Gil, X. Oriols, J. Garcia-Garcia, F. Martin

THz beam profiler using optically modulated transmittance in silicon 3-97

M. Yamashita, Y. Kitoh, T. Nagashima, M. Hangyo

Widely tunable THz-wave parametric generator with 0.003 cm-1 linewidth 3-101

K. Kawase, H. Minamide, J. Shikata, K. Imai, H. Ito

GHz-THz ultrashort pulse generation and phase matching in crystals LiNbC>3, GaAs, 3-105

ZnTe, DAST

R.M. Martirosyan, A.S. Nikoghosyan, E.M. Laziev, A.A. Hakhoumian

Spectroscopy & material characterization

Ultra-high resolution infrared spectroscopy: state-of-the-art and applications 4-3

A. Amy-Klein, L.F Constantin, C. Grain, M. Ziskind, T. Marrel, A. Shelkovnikov, RJ. Butcher,

C. T. Nguyen, C. Daussy, Ch. Chardonnet

Extreme midinfrared nonlinear optics in semiconductors 4-9

J. Kono, A.H. Chin

Spectroscopy of InGaN epilayers grown by Plasma-Assisted MBE on Silicon and Sap- 4-15

phire substrates

S.A. James, T.J. Parker, S.R.R Smith, T.S. Cheng, C.T. Foxon

Spin dependent photocurrents in quantum well structures induced by FIR radiation 4-19

S.D. Ganichev, E.L. Ivchenko, W. Prettl

Investigation of longitudinal optical phonon-plasmon coupling in donor doped 4-23

GaAs/AlGaAs multi quantum wells

S. Farjami Shayesteh, K. Hidari, T.J. Parker

High field ESR and magneto-optical measurements in millimeter and submillimeter wave 4-27

regionsH. Ohta, S. Okubo, Y. Oshima, T. Sakurai, M. Saruhashi, T. Kunimoto, Y. Uwatoko, K. Koyama,

M. Motokawa

Observation of new ESR mode at ultra low temperatures and CR of RE compounds by 4-33

VNA

K. Koyama, T. Sakon, H. Nojiri, M. Motokawa

Infrared magneto-spectroscopy at the L-point of GaAs 4-39

M. von Ortenberg, A. Kirste, I. Stolpe, N. Puhlmann, O.M. Tatsenko, V.V. Platonov, N.A. Moi-

seenko, I.M. Markevtsev

Coherent THz spectroscopy in reflection geometry and in high magnetic fields 4-42

N. Negre, S.A. Crooker

Vector measurements from 8 GHz up to beyond the THz, using CW waves and solid state 4-46

components

P. Goy M. Gross, S. Caroopen, L. Noel

Stu dies of condensed materials with millimeter-wave through infrared radiation at NML, 4-49

NIMS

G. Kido, H. Shinagawa, Y. Imanaka, K. Sato, N. Adachi, K. Takehana, T. Takamasu

4-1

4-2 IRMMW 2001 - Spectroscopy& material characterization

Infrared photothermal ionization spectroscopy on impurity electron-electron & electron- 4.54

phonon interaction in semiconductors

S.C.Shen

Angle-dependent conductivity resonances in organic molecular superconductors mea- 4.62

sured using millimetre-wave techniques.R.S. Edwards, A. Ardavan, A. Narduzzo, J. Singleton, E. Rzepniewski

Shallow acceptors in strained MQW heterostructures Ge/GeSi in strong magnetic fields 4.55

V.Ya. Aleshkin, V.I. Gavrilenko, D.B. Veksler

Resonant states of shallow acceptors in uniaxially compressed Ge 4_70

V.Ya. Aleshkin, V.I. Gavrilenko, D.V. Kozlov

Megagauss-magneto-spectroscopy on II-VI compounds 4.74

5. Hansel, I. Stolpe, A. Kirste, H. U. Mueller, M. von Ortenberg

Millimeter range spectrometer with phase switching 4.77

V.L. Vaks, V.V.Khodos

Optical properties of a DNA-Lipid film in far infrared region 4_81

H. Shinagawa, G. Kido, N Morii, Y. bnanaka, H. Kitazawa

Measurement of dielectric properties of ceramics and reflection coefficients of metals in 4-84

the 140 GHz range at high temperaturesH. Hailer, W. Kasparek, R. Wacker

Characterization of microwave absorbing materials 4-88

K. Likin, A. Fernandez, R. Martin

Optical characterization of absorbing coatings for submillimeter radiation 4-92

TO. Klaassen, M.C. Diez, J.H. Blok, A. Drunk, K.J. Wildeman, G. Jakob

Free electron laser study of ps intersubband dynamics in p-Si/SiGe quantum well emitter 4-96

structures

C.R. Pidgeon, P. Murzyn, A. Loudon, J-PR. Wells, I. V. Bradley, Z. Ikonic, R. W. Kelsall, P. Har¬

rison, S.A. Lynch, D.J. Paul, D.D. Arnone, D.J. Robbins, D. Norris, A. G. Cullis

Fast scan Fourier-transform spectrometer 4-101

V.L. Vaks, V.V.Khodos, D.A. Ryndyk

Gyro-Devices

High power CW gyrotrons for ECRH experiments in fusion research 5-6

E. Giguet, S. Alberti, A. Arnold, E. Borie, F Bouquey, G. Dammertz, C. Darbos, V. Erck-

mann, D. Fasel, J.P. Hogge, S. Illy, W. Kasparek, K. Koppenburg, M. Kuntze, G. Le Cloarec,

F. Legrand, M. Lennholm, W. Leonhardt, C. Lievin, R. Magne, G. Michel, G. Muller, G. Neffe,

B. Piosczyk, M. Schmid, M. Thumm, M.Q. Tran

Development and applications of submillimeter wave gyrotrons in Fukui University (Gy- 5-13

rotron FU Series)T. Idehara, S. Mitsudo, I. Ogawa

Towards a 170GHz, 2 MW, CW coaxial cavity gyrotron - experimental results and de- 5-19

sign considerations -

B. Piosczyk, A. Arnold, H. Budig, G. Dammertz, 0. Drumm, O. Dumbrajs, M. Kuntze,

M. Schmid, M. Thumm

Design considerations of powerful, second-cyclotron-harmonic coaxial-cavity gyrotrons 5-24

C.T. Iatrou, K.A. Avramides, J.L. Vomvoridis, B. Piosczyk

Mode selection for a 2 MW, CW 170 GHz coaxial cavity gyrotron 5-28

0. Dumbrajs, B. Piosczyk, Ch.T. Iatrou

High purity mode operation of a gyrotron 5-32

/. Ogawa, T. Idehara, S. Maeda, R. Pavlichenko, S. Mitsudo, D. Wagner, M. Thumm

Mode selective gyrotron with a photonic band gap Resonator 5-35

JR. Sirigiri, C. Chen, K.E. Kreischer, I. Mastovsky, M.A. Shapiro, E.I. Smirnova, R.J. Temkin

Development of frequency-tunable high-power gyro-devices 5-42

G.G. Denisov

General considerations on quasi-optical mode converters for frequency step-tunable gy- 5-48

rotrons

O. Drumm, G. Dammertz, G. Michel, J. Pretterebner, M. Thumm

Wide band step tunable single mode gyrotron at millimeter wavelength 5-52

K Yokoo, J. Nishihara, S. Tanaka, N. Sato, K. Sagae

High qualification experiment of a submillimeter wave gyrotron operation by using a 5-56

far-infrared molecular laser as a reference

T. Idehara, S. Okajima, S. Saito, I. Ogawa, S. Mitsudo

s.i

5-2 IRMMW2001- Gyro-Devices

Development of 170 GHz long pulse gyrotron for ITER5 5g

K. Sakamoto, A. Kasugai, K. Hayashi, H. Shoyama, K. Takahashi, M. Tsuneoka, Y. Ikeda,T. Kariya, Y. Mitsunaka, T. Imai

Status of megawatt gyrotron development at CPI5_64

K. Felch, M. Blank, P. Borchard, P. Cahalan, S. Cauffman, T. S. Chu, H. Jory, D. Wagner

Advanced high power gyrotrons for W7-X5.7O

G. Dammertz, S. Alberti, A. Arnold, E. Borie, V. Erckmann, E. Giguet, S. Illy, K. Koppenburg,M. Kuntze, HP. Laqua, Y. LeGoff, W. Kasparek, W. Leonhardt, C. Lievin, G. Michel, G. Moller,G. Neffe, B. Piosczyk, M. Schmid, M. Thumm, M. Q. Tran

Very long pulse testing of the TH 1506B 118 GHz Gyrotron for the ECRH experiment on 5.74Tore SupraR. Magne, C. Darbos, S. Alberti, F. Bouquey, E. Giguet, J.P. Hogge, Y. Legoff, M. Lennholm,C. Lievin, C. Portafaix, M. Thumm

Problems of mode interaction and selection for high power gyrotrons 5.78V.E. Zapevalov

Theory of gyro-TWTs with distributed losses5-82

G.S. Nusinovich, O. V. Sinitsyn, K. T. Nguyen, V.L. Granatstein

Development of a wide-band W-band gyrotron amplifier 5-85M. Blank, K. Felch, B.G. James, P. Borchard, P. Cahalan, T.S. Chu, B. G. Danly, D.E. Pershing,K. Nguyen, J.P. Calame, B. Levush

W-band pulsed 300 kW gyroklystron amplifier 5-89E. V Zasypkin, I. G. Gachev, LI. Antakov, E. V. Sokolov

Studies of high frequency coaxial gyroklystron amplifiers 5-92W. Lawson, B. Hogan, I. Spassovsky, M. Castle, S. Gouveia, B. Huebschman, V.L. Granatstein

Development of a 10 MW, 91 GHz Gyroklystron 5-96J.M. Neilson, R.L. Ives, M. Read, W. Lawson

Heavily loaded W-band TE0i gyro-TWT 5-99D.B. McDermott, H.H. Song, Y. Hirata, A.T. Lin, T.H. Chang, H.L. Hsu, K.R. Chu, N.C. Luh-mann Jr

Highly efficient second-harmonic Peniotron with fundamental-mode interaction 5-102L.J. Dressman, D.B. McDermott, D.A. Gallagher, T.A. Spencer, N.C. Luhmann Jr

TEM mode peniotron experiments for auto-resonant interaction 5-105A*. Yokoo, O. Kamohara, N. Sato, K. Sagae

Development of helical-waveguide gyro-devices based on low-energy electron beams 5-108V.L. Bratman, G.G. Denisov, V.N. Manuilov, S.V. Samsonov, A.B. Volkov

CVD diamond window studies for high power mm-wave transmission 5-112R. Heidinger, G. Dammertz, A. Meier. M. ThummB

1RMMW2001 - Gyro-Devices 5-3

Effect ofthe azimuthal nonuniformity of electron emission on gyrotron operation 5-118

G.S. Nusinovich, A.N. Vlasov, M. Botton, T.M. Antonsen Jr, S. Cauffman, K. Felch

Beam-tunnel geometries preserving the cross-section of a sheet beam 5-121

J.L. Vomvoridis, V. Dotsis

A second harmonic gyrotron cavity with internal blazed grating 5-125

D. Zhu, G.F. Brand

Surface integral equation analysis of quasi-optical launchers 5-128

J. Neilson, R. Bunger

Improvements in modeling of backscatter of electrons in a code for tracing their trajec- 5-131

tories

A. Singh, A. Valfells, M. Kolander, V.L. Granatstein

A 2.2 MW, CW collector for a coaxial cavity gyrotron 5-136

B. Piosczyk

1.25 MW CW waterload development 5-140

R.L Ives, G. Dammertz, M. Schmidt, M.Y. Mizuhara, K. Schwoerer, P.G. Schueller, R.S. Schu¬

macher, R. Pendelton

Stochastic oscillations in gyrotrons5-143

M.I. Airila, O. Dumbrajs

Nonstationary phenomena in tapered gyro-backward-wave-oscillators 5-147

G.S. Nusinovich, A.N. Vlasov, T.M. Antonsen Jr

Non-stationary behavior of the gyro-BWO 5-150

A. Grudiev, K. Schiinemann

The ECRH system for JET5-153

A.G.A. Verhoeven, H. Bindslev, W.A. Bongers, B.S.Q. Elzendoorn, P. Hellingman, K. Kamp,

W. Kooijman, O.G. Kruijt, J. Maagdenberg, P. Manintveld, W. Melissen, A. Putter, A.B. Sterk,

G. Turk, S. Alberti, T. Goodman, M. Henderson, J.A. Hoekzema, A. Fernandez, K. Likin, A. Br-

uschi, S. Cirant, S. Novak, W. Kasparek, G. Muller, B. Piosczyk, M. Thumm, A. Kaye, C. Flem¬

ing, C. Damiani, J. Pamela, E. Solano

Gyrotron compact system for materials processing 5-159

Yu. Bykov, A. Eremeev, M. Glyavin, A. Gol'denberg, A. Luchinin, V. Lygin, N Zavol'sky,

G. Denisov, A. Bogdashov, Yu. Rodin, V.Holoptsev, N. Pavlov, I. Plotnikov

Dilatometer system for in-situ measurement of linear shrinkage of ceramics during mm- 5-164

wave sinteringG. Link, S. Rhee, M. Thumm

Cold test ofthe upgraded TJ-II transmission line. 5-168

A. Ferndndez, K. Likin, F Hollmann, W. Kasparek, R. Martin

The use of a submillimeter wave gyrotron FUIV A in ESR spectrometer 5-171

5. Mitsudo, K. Kitai, N. Aripin, I. Ogawa, T. Idehara

5-4 IRMMW2001 - Gyro-Devices

Possibilities for multifrequency operation of a gyrotron at FZK5 ,-.

E. Borie, K. Koppenburg, S. Illy, O. Drumm, M.V. Kartikeyan.B. Piosczyk, X. Yang,G. Dammertz, M. Thumm

Design of a broadband frequency measurement system (100-175 GHz) for gyrotrons 5477K Koppenburg, A. Arnold, G. Dammertz, H. Kunkel, M. Thumm

Experiments on high power gyroklystron amplifiers 5_j^J.J. Choi, Y.H. Na, W.C Kim, M. Kwon, R. Temkin

Sixth-harmonic W-band slotted gyrotron 5.132R.C. Stutzman, P.S. Marandos, D.B. McDermott, D.A. Gallagher, T.A. Spencer, N.C. Luh-

mann Jr

Two-Mode Cyclotron Oscillators 5.135V.L. Bratman, A.E. Fedotov, N.G. Kolganov, S. V. Samsonov, A. V Savilov

Multistage depressed collectors for 1.5 MW CW gyrotrons 5.I89R.L. Ives, A. Singh, M.Y. Mizuhara, R.S. Schumacher, V. Granatstein

Influence of geometrical and electrical parameters in depressed collector design for high 5-192

power gyrotronsA. Singh, R.L. Ives, V. L. Granatstein

Low power measurements on a TE28,8 mode converter system for the W7-X gyrotron 5-195

A. Arnold, G. Dammertz, G. Michel, M. Thumm

High stabilization of the output of a submillimeter wave gyrotron 5-199

I. Ogawa, T. Idehara, T. Okada, R. Pavlichenko, S. Mitsudo

A system converting an output radiation of a gyrotron into a Gaussian beam 5-202

I. Ogawa, T. Idehara, Y. Miyake, K. Yamada, H. Nozu, R. Pavlichenko, W. Kasparek

Conceptual design of quasi-optical transmission lines 5-205

for JET-EP

A. Fernandez, K. Likin, P. Manintveld, A.G.A. Verhoeven, R. Martin

Evaluation of correcting mirrors for a gyrotron in the Large Helical Device 5-208

H. Idei, T. Notake, T. Shimozuma, S. Ito, S. Kubo, M. Sato, M.A. Shapiro, R.J. Temkin

30 GHz second-harmonic TE21 cusp-gun gyro-TWT amplifier 5-212

S.B. Harriet, D.B. McDermott, N.C. Luhmann Jr

Numerical code for the calculation of high-frequency waves in a gyrotron beam tunnel 5-215

G.P. Latsas, M. Dehler, E. Tsilis, I.G. Tigelis

Submillimeter wave irradiation of living bodies through a catheter transmitter 5-219

T. Tatsukawa, A. Dot, M. Teranaka, H. Takashima, T. Idehara, I. Ogawa, S. Nishizawa

Modulations of amplitude and frequency in submillimeter wave gyrotrons (Gyrotrons 5-222

FU III and FU IV)T. Idehara, 1. Ogawa, T. Okada, H. Hoshitsuki

IRMMW2001 - Gyro-Devices

Potentials of plasma filling on gyrotron operation 5

K. Schuenemann, G.I. Zaginaylov

Development of frequency step tunable 105-170 GHz 1 MW gyrotron 5

A.N. Kuftin, A.A. Bogdashov, A.V. Chirkov, G.G. Denisov, V.K. Lygin, M.A. Moiseev, V.E. Za-

pevalov

Free electron devices

Application of single-shot THz-pulse measurements to electron beam diagnostics 6_2

I. Wilke,A.M. MacLeod, W.A. Gillespie, G. Berden, G.M.H. Knippels, A.F.G. van derMeer

Experiments on the propagation and post-acceleralion of a pseudospark-sourced elec- 6-8

tron beam

H. Yin, A.W. Cross, A.D.R. Phelps, D. Zhu, W. He, K. Ronald

Experimental study of novel microwave structures and an explosive emission electron 6-12

gun for a co-axial high power free electron maser experimentA.D.R. Phelps, I.V. Konoplev, A.W. Cross, K. Ronald, W. He, C.G. Whyte, N.S. Ginzburg,N. Yu. Peskov, A.S. Sergeev

Cyclotron resonance maser in the regime of non-resonant trapping 6-16

A. V. Savilov

Effect of electron beam momentum spread on cyclotron resonance maser operation at 6-20

two resonant frequenciesG.J. Hunter, B.W.J. McNeil, A.W. Cross, K. Ronald, C.G. Whyte, A.R. Young, W. He,

G.R.M. Robb, A.D.R. Phelps

New results of the fusion-FEM in long-pulse set-up 6-24

W.A. Bongers, V.L. Bratman, G.G. Denisov, C.A.J, van der Geer, P. Maninh'eld, B.L Militsyn,A.A.M. Oomens, A.J. Poelman, J. Pluygers, A. V. Savilov, M. Yu. Shmelvov, P.H.M. Smeets,

G.H.B. Turk, A.G.A. Verhoeven, W.H. Urbanus

Free-electron compressors

A. V. Savilov

6-28

Optical components & waveguides

Numerical optimization of broadband waveguide bends

B. Plaum

Verification of the reflection coefficient in waveguides slowly tapering through the cutoff

point with application to trapped modes

H. Soekmadji, R.J. Vernon

Very large area Faraday rotators

D.A. Robertson

Radiation patterns of open-end dominant-mode F-band rectangular waveguides for use 7

as near-field probes

G.P. Smith, R.J. Vernon

n 1

Sources

Generation of millimetre and submillimetre wave radiation by frequency multiplication

with a semiconductor superlatticeE. Schomburg, M. Haeussler, R. Scheuerer, K.F. Renk, D.G. Pavel'ev, Yu.I. Koschurinov,

N. Maleev, V. Ustinov

Intersubband electroluminescence in the mid-infrared (3-5 pm) in InAs/AlSb quantumcascade structures

C. Becker, C. Sirtori, I. Prevot, X. Marcadet

Improving the transverse mode structure and the stability of the p-Ge THz laser

J.N. Hovenier, E.E. Orlova, TO. Klaassen, W.Th. Wenckebach

Far-infrared lasers based on silicon doped by shallow impuritiesH. W. Hubers, S.G. Pavlov, M.H. Rummeli, R.Kh. Zhukavin, E.E. Orlova, B.A. Andreev, H. Rie-

mann, V.N. Shastin

Self-pulsing emission from an optically pumped bi-directional ring laser operating on

119 pm

K. Fujii, N. Sokabe

Development of efficient backward wave oscillators for submillimeter applicationsJ.M. Neilson, R.L. Ives, S. Schwartzkopf, A. Negirev

Special techniques

Infrared near-field microscopy g_2F. Keilmann

SPring-8 as an IR-light source 9_jq

T. Nanba, S. Kimura, H. Okamura, M. Sakurai, M. Matsunami, H. Kimura, T. Moriwaki,Y. Ikemoto, T. Hirono, T. Takahashi, K Shinoda, K. Fukui, M. Teragami, Y. Kondo

Hilbert spectroscopy from gigahertz to terahertz frequencies by high-Tc Josephson junc- 9-15

tions.

Y.Y. Divin, O.Y. Volkov, M. Liatti, VV. Shirotov, V.V. Pavlovskii, U. Poppe, P.M. Shadrin, K. Ur¬

ban

Bragg scattering of surface electromagnetic waves by a photo-induced array on a semi- 9-19

conductor wafer

G.F. Brand

Development of high power 51-pm CH3OD laser for diagnostics of high density large 9-22

plasma

S. Okajima, K Nakayama, H. Tazawa, K. Kawahata, K. Tanaka, T. Tokuzawa, Y. Ito

Imaging system for plasma density diagnosis with fan-beam microwave 9-26

H. Ito, R. Ooba, K. Tsuchida, A. Saito, N Yugami, Y. Nishida

Short microwave pulse generation from periodic electrostatic field via laser-produced 9-29

ionization front

T. Higashiguchi, N. Yugami, D. Dorranian, K. Takahashi, S. Sakai, M. Hosaka, H. Kawakami,

H. Ito, Y. Nishida

Radiation from Cherenkov wakes excited by interaction of laser and magnetized plasma 9-33

D. Dorranian, T. Higashiguchi, N. Yugami, K. Takahashi, S. Sakai, M. Hosaka, H. Kawakami,

H. Ito, Y. Nishida