Absolute EPR Spin Echo and Noise Intensities

Journal of Magnetic Resonance

Volumn 140, Issue 1, 1999, Pages 69-83

  Rinard, George A ^a   Quine, Richard W ^a   Song, Ruitian ^a   Eaton, Gareth R ^a   Eaton, Sandra S ^a  

^a University of Denver   (United States)

Author keywords

Absolute signal intensity; Electron spin echo; EPR; ESR; Noise; Signal to noise

Indexed keywords

ARTICLE; COMPARATIVE STUDY; ELECTRON SPIN RESONANCE; EQUIPMENT DESIGN; INSTRUMENTATION; MATHEMATICS; THEORETICAL MODEL;

ELECTRON SPIN RESONANCE SPECTROSCOPY; EQUIPMENT DESIGN; MATHEMATICS; MODELS, THEORETICAL;

EID: 0033185633     PISSN: 10907807     EISSN: None     Source Type: Journal    
DOI: 10.1006/jmre.1999.1823     Document Type: Article

References (41)

1. J. S. Hyde "Experimental Techniques in EPR," 6th Annual NMR-EPR Workshop, Nov. 5-9, 1962, Varian Associates Instrument Division, Palo Alto, CA, as cited by Alger (1968).
2. R. S. Alger, "Electron Paramagnetic Resonance: Techniques and Applications," pp. 200 ff, Wiley-Interscience, New York, (1968).
3. S. Pfenninger, W. Froncisz, and J. S. Hyde, Noise analysis of EPR spectrometers with cryogenic microwave preamplifiers, J. Magn. Reson. A 113, 32-39 (1995).
4. R. W. Quine, G. A. Rinard, B. T. Ghim, S. S. Eaton, and G. R. Eaton, A 1-2 GHz pulsed and continuous wave electron paramagnetic resonance spectrometer, Rev. Sci. Instrum. 67, 2514-2527 (1996).
5. G. A. Rinard, R. W. Quine, B. T. Ghim, S. S. Eaton, and G. R. Eaton, Easily tunable crossed-loop (bimodal) EPR resonator, J. Magn. Reson. A 122, 50-57 (1996).
6. G. A. Rinard, R. W. Quine, B. T. Ghim, S. S. Eaton, and G. R. Eaton, Dispersion and superheterodyne EPR using a bimodal resonator, J. Magn. Reson. A 122, 58-63 (1996).
7. J. S. Hyde and W. Froncisz, The loop-gap resonator: A new microwave lumped circuit ESR sample structure. J. Magn. Reson. 47, 515-521 (1982).
8. A. Sotgiu and G. Gualtieri, Cavity resonator for in vivo ESR spectroscopy, J. Phys. E. Sci. Instrum. 18, 899-901 (1985).
9. S. S. Eaton and G. R. Eaton, Irradiated fused quartz standard sample for time domain EPR, J. Magn. Reson. A 102, 354-356 (1993).
10. R. W. Quine, Programmable timing unit for generating multiple coherent timing signals. U.S. Patent No. 5,621,705, issued April 15, 1997 and No. 5,901,116 issued May 4, 1999.
11. Don Neuf, Special Mixer Products Department, Miteq, Inc., 100 Davids Drive, Hauppauge, NY, private communication, December 17, 1998.
12. A. J. Kelly, Fundamental limits on conversion loss of double sideband resistive mixers, IEEE Trans. Microwave Theory Techniques MTT-25, 867-869 (1977).
13. D. I. Hoult and R. E. Richards, The signal-to-noise ratio of the nuclear magnetic resonance experiment, J. Magn. Reson. 24, 71-85 (1976).
14. A. L. Bloom, Nuclear induction in inhomogeneous fields, Phys. Rev. 98, 1105-1111 (1955).
15. W. B. Mims, Electron echo methods in spin resonance spectrom-etry, Rev. Sci. Instrum. 36, 1472-1479 (1965).
16. W. B. Mims, Electron spin echoes, in "Electron Paramagnetic Resonance" (S. Geschwind, Ed.), Plenum Press, New York (1972).
17. N. Bloembergen and R. V. Pound, Radiation damping in magnetic resonance experiments, Phys. Rev. 95, 8-12 (1954).
18. J. P. Hornak and J. H. Freed, Spectral rotation in pulsed ESR spectroscopy, J. Magn. Reson. 67, 501-518 (1986).
19. E. Fukushima and S. B. W. Roeder, "Experimental Pulse NMR. A Nuts and Bolts Approach," section II.A.2, Addison-Wesley, Reading, MA (1981).
20. W. H. Perman, M. A. Bernstein, and J. C. Sandstrom, A method for correctly setting the rf flip angle, Magn. Reson. Med. 9,16-24 (1989).
21. G. A. Rinard, R. W. Quine, S. S. Eaton, G. R. Eaton, and W. Froncisz, Relative benefits of overcoupled resonators vs. inherently low-Q resonators for pulsed magnetic resonance, J. Magn. Reson. A 108, 71-81 (1994).
22. G. A. Rinard, R. W. Quine, S. S. Eaton, and G. R. Eaton, Microwave coupling structures for spectroscopy, J. Magn. Reson. A 105, 134-144 (1993).
23. N. Bloembergen, E. M. Purcell, and R. V. Pound, Relaxation effects in nuclear magnetic resonance absorption, Phys. Rev. 73, 679-712 (1948).
24. G. Feher, Sensitivity considerations in microwave paramagnetic resonance absorption techniques. Bell System Technical J. 36, 449-484 (1957).
25. C. P. Poole, Jr., "Electron Spin Resonance: A Comprehensive Treatise on Experimental Techniques," p. 524, Wiley-Interscience, New York (1967).
26. I. B. Goldberg and H. R. Crowe, Effect of cavity loading on analytical electron spin resonance spectrometry, Anal. Chem. 49, 1353-1357 (1977).
27. A. Abragam, "The Principles of Nuclear Magnetism," p. 74, Oxford Univ. Press, London, (1961).
28. H. D. W. Hill and R. E. Richards, Limits of measurement in magnetic resonance. J. Phys. E. 2 1, 977-983 (1968).
29. M. Sueki, G. A. Rinard, S. S. Eaton, and G. R. Eaton, Impact of high dielectric loss materials on the microwave field in EPR experiments, J. Magn. Reson. A 118, 173-188 (1996).
30. "Transmission Systems for Communications." Revised 4th ed., Bell Telephone Laboratories, Western Electric Company, Inc., Technical Publications, Winston-Salem, North Carolina, 1971, pp. 170-171 and Chaps. 7 and 8.
31. C. J. Christensen and G. L. Pearson, Spontaneous resistance fluctuations in carbon microphones and other granular resistances. Bell System Technical J. 15, 197-223 (1936).
32. Radio Engineering Handbook (K. Henney, Ed.), pp. 2-13-2-14, McGraw-Hill, New York (1959).
33. R. Morrison, "Noise and Other Interfering Signals," pp. 77-78, Wiley, New York (1991).
34. J. B. Johnson, Thermal agitation of electricity in conductors, Phys. Rev. 32, 97-109 (1928).
35. H. Nyquist, Thermal agitation of electrical charge in conductors, Phys. Rev. 32, 110-113 (1928).
36. R. H. Dicke, The measurement of thermal radiation at microwave frequencies, Rev. Sci. Instrum. 17, 268-275 (1946).
37. S. S. Eaton and G. R. Eaton, Quality assurance in EPR, Bull. Magn. Reson. 13, 83-89 (1992).
38. T. H. Wilmshurst, "Signal Recovery from Noise in Electronic Instrumentation," 2nd ed., p. 87, Hilger-IOP Publishing, Bristol (1990).
39. Varian Publication 87-125-502, E231 multipurpose cavity.
40. G. R. Eaton, S. S. Eaton, and G. A. Rinard, Frequency dependence of EPR sensitivity, in "Spatially Resolved Magnetic Resonance" (P. Blümler, B. Blümich, R. Botto, and E. Fukushima, Eds.), pp. 65-74, Wiley-VCH Publ., Weinheim (1998).
41. G. A. Rinard, R. W. Quine, R. Song, J. Harbridge, G. R. Eaton, and S. S. Eaton, Frequency dependence of EPR signal to noise. J. Magn. Reson., in press (1999).