1. 1 MAGNETOMETRY Theoretical and experimental research Baltag Octavian Ioan Ligns of force of the geomagnetic field (Glatzmaier et Roberts, 1995). http://paleomag.uqar.ca/spip.php?article44 http://paleomag.uqar.ca/spip.php?article44

2. 2 THEORETICAL AND APPLICATIVE RESARCH IN MAGNETOMETRY DIRECTIONS 1971 - 2001 MAGNETOMETRY  Space applications  Marine applications and naval degaussing  Terrestrial – special applications  Laboratory – research & industry MAGNETIC DETECTION  Magnetic naval and terrestrial mines  Industrial applications - buried metallic bodies METROLOGY, TRANSDUCERS & SPECIAL DEVICES PROTECTION OF INTELECTUAL & INDUSTRIAL PROPERTY  Patents  Trademarks ELECTROMAGNETIC COMPATIBILITY  Special applications  Research & industry

3. 3 HIGH RESOLUTION MAGNETOMETRY  Biomedical applications MICROWAVE RADIOMETRY  Microwave Thermografy – early detection of the breast cancer RESEARCH DOMAIN 2001 - 2008

4. 4 MAGNETOMETRY – NAVAL & MARINE APPLICATIONS Magnetic protection of ships

5. 5 MAGNETOMETRY – NAVAL & MARINE APPLICATIONS Methods and installations for magnetic protection of ships Triaxial magnetometer for SAD installations control of Cercetari in vederea realizarii unui magnetometru triaxial pentru comanda instalatiilor SAD pentru navele dragoare de mine

6. 6 Degaussing current MAGNETOMETRY – NAVAL & MARINE APPLICATIONS Romanian degaussing ships: “AUTOMATICA” & “” http://www.defencetalk.com/pictures/surface-ships/p11192-rsrb-36- degaussing-ship.html Degaussing ship

7. 7 Dragging of the degaussing cable around of ship MAGNETOMETRY – NAVAL & MARINE APPLICATIONS www.aetherometry.com/.../uft_degaussing.html http://www.fas.org/man/dod-101/navy/docs/swos/eng/62B-303.html

8. 8 Three channel magnetometer Old URSS naval fluxgate Aplications: measuring of the vertical magnetic field power: 220V/50Hz, 12V dc. power: 220V/50Hz, 12V dc. 3 channels galvanic separately 3 channels galvanic separately range: 80.000 nT range: 80.000 nT manual compensation: 60.000 nT manual compensation: 60.000 nT display: 3 1/2 digit display: 3 1/2 digit maximum immersion depth: 40m, maximum immersion depth: 40m,

9. 9 Counter – magnetic mine technology: Triaxial magnetometer for “SAD” systems protection of mine sweeper Characteristics and performance: Magnetometric channel: 3 orthogonal fluxgates and 3 magnetometric channels Magnetometric channel: 3 orthogonal fluxgates and 3 magnetometric channels Fluxgates position: masthead Fluxgates position: masthead Measuring range: +/- 60.000 nT Measuring range: +/- 60.000 nT Compensation range : +/- 50.000 nT Compensation range : +/- 50.000 nT Coils intensity current: +/- 5 A Coils intensity current: +/- 5 A Amplidyne power: 1-7 kVA Amplidyne power: 1-7 kVA Measuring error: 1% Measuring error: 1% Nonlinearity: < 1% Nonlinearity: < 1% Degaussing coil: counteract the ship’s longitudinal permanent and induced magnetism - athwart ship coil - loops in vertical fore and aft planes for compensate the permanent and induced magnetism - longitudinal coil - loops in vertical planes, counteract the ship’s longitudinal magnetism - quarterdeck coil - forecastle coil counteract the ship’s longitudinal magnetism - main coil made in a horizontal plane, encircles the ship and counteract the ship’s vertical magnetism MAGNETOMETRY - NAVAL & MARINE APPLICATIONS

10. 10 Laboratory of the "Mircea cel Batran" Naval Academy

11. 11 Romanian SAD “Antimagnetic protection ” System Old

12. 12 Amplidynes current amplifiers for deperming coils

13. 13  Research regarding a omnidirectional magneto static transducer Magnetometric channel: gradient channels: 3 orthogonal magnetic field range: +/- 50.000 nT sensibility on magnetic field: 0,1 mV / nT sensibility on magnetic field gradient: 1 mV/ nT magnetic field detection range: +/- 10.000 nT gradient base: 2m gradient magnetic field range: +/- 5.000 nT/m duration of magnetic gradient pulse: 1s – 10s astatic performance: 10 -3 Destination: Naval mine with multiparametric sensors MAGNETOMETRY - NAVAL & MARINE APPLICATIONS

14. 14 Marine polygon: magnetic signature MAGNETOMETRY - NAVAL & MARINE APPLICATIONS Naval magnetometry polygon Multichannel magnetometer

15. 15 Multichannel magnetometric installation measuring range: +/-20.000 nT measuring range: +/-20.000 nT +/- 2.000 nT +/- 2.000 nT field compensation: +/- 60.000 nT field compensation: +/- 60.000 nT error compensation: 5 nT error compensation: 5 nT resolution: 1 nT resolution: 1 nT measurement error: 2% measurement error: 2% channel: 24 channel: 24 fluxgate cable length: 200 m fluxgate cable length: 200 m calibrations testing calibrations testing galvanic separation between channels galvanic separation between channels analogic output:+/-5 V/50.000 nT/10 kΩ analogic output:+/-5 V/50.000 nT/10 kΩ temperature coefficient: 4 nT / °C temperature coefficient: 4 nT / °C Magnetometer channel – hybrid integrated circuits

16. 16 Computerized sub aquatic magnetic polygon 128 magnetometric channels 128 magnetometric channels

17. 17 Computerized sub aquatic magnetic polygon 128 magnetometric channels measuring range: +/- 80.000 nT analogical output: 8V / 80.000nT galvanic separation length of the cable: 1.200 m magnetic field compensation: 16 step magnetic field step: 5.000nT A/D conversion: 16 bit calibration step: 10.000 nT

18. 18 Computerized sub aquatic magnetic polygon Magnetometers arrangements Magnetometer case

19. 19 Magnetic Detecţia de anomalii magnetice în mediul marin – Marea Neagra - produsul “SMM III”  detecţia unor variaţii a câmpului magnetic mai mici de 1 nT  acurateţe absolută a măsurării mai bună de 0,2 nT  să lucreze în condiţii de temperatură de la – 40 C la + 60 C  un număr de măsurări pe secundă mai mare de 3 Corp aerodinamic tractat Magnetometru cu efect Overhauser Unitate dispusă în aeronavă Troliu electric pentr u lansarea şi recuperar ea corpului tractat Unitate a de calcul şi afişare Cablu special de semnal şi tracţiune (70m)

20. 20

21. 21 Overhauser magnetometer  Caracteristici: domeniu: 28.000 – 75.000 nT; domeniu: 28.000 – 75.000 nT; zgomot: 0,03 nT/Hz; zgomot: 0,03 nT/Hz; precizie: 0.5 nT; precizie: 0.5 nT; ieşire digitală cu rata de 10 Hz; ieşire digitală cu rata de 10 Hz; senzor omnidirecţional. senzor omnidirecţional.  Corpul tractat este realizat din materiale amagnetice compozite, fiind acoperit cu materiale de amortizare a şocurilor. Acesta este conectat cu cablul de tracţiune printr-o montură specială.  Corpul este tractat în mediu cu viteză de până la 10 Nd la distanţa maximă de 300 m. Adâncimea de lucru maximă este de 300 m.  Aceste echipamente sunt prevăzute cu mijloace de poziţionare de tip GPS de mare precizie pentru o localizare corectă şi eficientă a obiectelor căutate.

22. 22  O.Baltag, D. Costandache, Electromagnetic detection of the metallic hidden objects, International conference on “The detection of abandoned lands mines”, Edinburg, 1996  O. Baltag, D. Costandache, Detectia electromagnetica a corpurilor metalice, Conferinta Nationala de Fizica Aplicata, Iasi 2004  Electromagnetic detection of metallic objects, O. Baltag, D.Costandache, Bul. Inst Pol. Iasi, tom LII (LVI), fasc. 1-2, 2006, pp. CERCETARI DE DETECTIE MAGNETICA Cercetari privind detectia subacvatica a unor corpuri metalice aflate pe fundul marii

23. 23..... Aici incepe inovarea.....