The Optigraph technology allows to manufacture HOPG of any fancy shape




Conventional graphite monochromators

1. M.Sanchez del Rio, M.Gambaccini, G.Pareschi, A.Taibi, A.Tuffanelli and A.Freund, "Focusing properties of mosaic crystals", Proceedings of SPIE, Vol. 3448, pp. 246-255 (1998).

2. A.Tuffanelli, M.Sanchez del Rio, G.Pareschi, M.Gambaccini, A.Taibi, A.Fantini and M.Ohler, "A comparative characterization of Highly Oriented Pyrolytic Graphite by means of diffraction topography", Proceedings of SPIE, Vol. 3773, pp. 192-198 (1999).

3. Ya.I.Nesterets, "Application of the Statistical Dynamical Theory of X-Ray Diffraction to Calculation of the HOPG",  phys. stat. sol. (a) Vol. 179, p. 311 (2000).

4. L.Alianelli, M.Sanchez del Rio and R.Felici, "Study of models for ray-tracing simulations of thermal neutron monochromators", Proceedings of SPIE, Vol. 4509, p. 135-144 (2001).

5. A.Tuffanelli, A.Taibi, G.Baldazzi, D.Bollini, M.Gombiab, L.Ramello and M.Gambaccini, "Novel x-ray source for dual-energy subtraction angiography", Proceedings of SPIE, Medical Imaging Conference 2002, (MI4682-33).

6. M.Schollmeier, G.Rodrıguez Prieto, F.B.Rosmej, T.Schlegel, Y.Maron and D.H.H.Hoffmann, "Investigation laser-produced chlorine plasmas for x-ray scattering experiments".

Doubly bent and small radii graphite monochromators

7. A.A.Antonov, V.B.Baryshev, I.G.Grigorieva, G.N.Kulipanov, Ya.V.Terekhov, N.N.Shipkov, "First results on application of short-focus monochromators from formed pyrolytic graphite for X-ray fluorescent analysis using synchrotron radiation", Rev. Sci. Instr., Vol. 60, pp. 2462-2463 (1989).

8. P.Chevallier, I.Brissand, J.X.Wang, "Quantitative analysis by synchrotron radiation induced X-ray fluorescence at LURE", Nucl. Instr. Meth., Vol. B49, pp. 551-554 (1990).

9. V.M.Levin, A.A.Anotonov, I.G.Grigorieva et al., "Investigation of acoustical properties of carbon materials and composites", Institute of Chemical Physics of RAS, Report No. 30-89, Moscow (1990).

10. G.E.Ice, C.J.Sparks, Jr., "Mosaic Crystal X-ray spectrometer to resolve inelastic background from anomalous scattering experiments", Nucl. Instr. Meth., Vol. A291, pp. 110-116 (1990).

11. A.A.Antonov, V.B.Baryshev, I.G.Grigorieva, G.N.Kulipanov and N.N.Shipkov, "Focusing shaped pyrographite monochromators in synchrotron radiation experiments", Nucl. Instr. Meth., Vol. A308, pp. 442-446 (1991).

12. B.Kanngiesser, B.Beckhoff, J.Scheer, W.Swoboda, "The Comparison of Three Excitation Modes in the Energy Dispersive X-Ray Fluorescence Analysis", Advances in X-Ray Analysis, Vol. 35, pp. 1001-1007 (1992).

13. B.Beckhoff, J.Laursen, "Bent and Flat Highly oriented Pyrolytic Graphite Crystals as Small Bragg Angle Monochromators in Thin-Specimen Energy-Dispersive XRF Analysis", X-Ray Spectrometry, Vol. 23, pp. 7-18 (1994).

14. B.Beckhoff, "X-ray focusing with Strongly Curved HOPG Crystals in the Energy-Dispersive X-ray Fluorescence Analysis", Ph.D. thesis, University of Bremen (1995).

15. B.Beckhoff, B.Kanngiesser, J.Scheer, W.Swoboda and J.Laursen, "Toroidally Shaped HOPG crystals as Strongly Focusing Bragg Reflectors of  Characteristic X-ray Tube Radiation for EDXRF Analysis", Advances in X-Ray Analysis, Vol. 37, pp. 523-533 (1994).

16. I.P.Dolbnya, K.Zolotarev, M.A.Sheromov, A.A.Antonov and I.G.Grigorieva, "Focusing parabolic pyrolytic graphite X-ray monochromator", Nucl. Instr. Meth., Vol. A359, pp. 141-145 (1995); ibid. Vol. A370, pp. 646-647 (1996).

17. D.M.Pease, M.Daniel, J.I.Budnick, T.Rhodes, M.Hammes, D.M.Potrepka, K.Sills, C.Nelson, S.M.Heald, D.I.Brewe, A.Frenkel, I.Grigorieva and A.Antonov, "Log spiral of revolution highly oriented pyrolytic graphite monochromator for fluorescence x-ray absorption edge fine ...", Rev. Scien. Instr., Vol. 71, pp. 3267-3273 (2000).

18. D.M.Pease, M.Daniel, J.I.Budnick, B.Taylor, A.Frenkel, K.Pandya, I.G.Grigorieva, and A.A.Antonov, "Extension of a tuned log spiral of revolution fluorescence XAFS detector, designed for optimal detection of a particular element Z, to XAFS of elements other than Z", J. Synchrotron Rad., 8 , 336-338 (2001).

19. A.I.Frenkel, D.M.Pease, J.Giniewicz, E.A.Stern, D.L.Brewe, M.Daniel, and J.Budnick, "Measurement of Ti,Ta, and Sc Off-Center Displacements in Relaxor Ferroelectrric PST - PT",  Science Highlights from the National Synchrotron Light Source, Brookhaven National Laboratory (2004).

20.  A.I.Frenkel, D.M.Pease, G.Giniewicz, E.A.Stern, D.L.Brewe, M.Daniel, J.Budnick, "Concentration-dependent short range order in relaxor ferroelectric (1-x) Pb(Sc,Ta)O3-xPbTiO3", Physical Review B, Vol. 70, (2004).

21. J.Heckel, R.W.Ryon, "Polarized beam X-ray Fluorescence Analysis", Handbook of X-Ray Spectrometry, 2nd edit., Marcel Dekker Inc., New York Basel, 2002, pp. 603-630.

22. I.G.Grigorieva, A.A.Antonov, "HOPG as powerful x-ray optics", X-Ray Spectrometry, Vol. 32, pp. 64-68 (2003).

23. A.Shevelko, A. Antonov, I.Grigorieva "X-ray focusing crystal von Hamos spectrometer with a CCD linear array as a detector", Proceedings of SPIE, Vol. 4144, pp.148-154 (2000).

24. A.P.Shevelko, Yu.S.Kasyanov, O.F.Yakushev, L.V.Knight, "Compact focusing von Hamos spectrometer for quantitative X-ray spectroscopy", Rev. Sci. Instr., Vol. 73, pp. 3458-3463 (2002).

25. Y.Kolmogorov, V.Trounova, "Analytical potential of EDXRF using toroidal focusing systems of highly oriented pyrolitic graphite (HOPG)", X-Ray Spectrometry, Vol. 31, pp. 432-436 (2002).

26. I.Uschmann, U.Nothelle, E.Förster, V.Arkadiev, N.Langhoff, A.Antonov, I.Grigorieva, R.Steinkopf, A.Gebhardt, "High efficiency, high quality x-ray optics based on ellipsoidally bent HOPG crystals for ultrafast x-ray diffraction experiments", Applied Optics, Vol. 44, pp. 5069-5075 (2005).

27. H.Legall, H.Stiel, P.V.Nickles, A.A.Bjeoumikhov, N.Langhoff, M.Haschke, V.A.Arkadiev, R.Wedell, "Applications of Highly Oriented Pyrolytic Graphite (HOPG) for x-ray diagnostics and spectroscopy", Proceedings of SPIE, Vol. 5918, pp. 11-21 (2005).

28. V.Mikerov et. all., "A parabolic Concentrator for Thermal Neutrons", Physica Scripta, Vol. 55, pp. 30-22 (1997).

29. Parabolic Concentrator for Neutrons

Thermal Management

30. G.A.Beck, A.A.Carter, J.F.Morris, "Measurements of the Thermal Conductivity of Pyrolitic Graphite Substrates for use in SCT Modules", November 27, 1998.

31. A.A.Antonov, I.G.Grigorieva, A.S.Kotosonov, G.G.Sazonov, A.G.Kholodenko, V.N.Riadovikov, H.-G.Moser, "Comparison of the In-Plane Thermal and Electrical Conductivities and Transverse Pull Strength of Various Pyrolitic Graphite Materials", May 21, 2001.

32. SCT End-cap Module Components: Spines

Medical Applications

33. A.Taibi, P.Baldelli et all, "Perspectives of medical X-ray imaging", Nucl. Instr. Meth., Vol. A446, p. 99 (2001).

34. A.Tuffanelli, A.Taibi, G. Baldazzi et al, "Novel x-ray source for dual-energy subtraction angiography", Proceedings of SPIE (2002).

35. P.Baldelli, A.Taibi, A.Tuffanelli and M.Gambaccini, "Quasi-monochromatic x-rays for diagnostic radiology"', Phys. Med. Biol., Vol. 48, pp. 3653-3665 (2003).

36. A.Taibi, S.Fabbri, P.Baldelli, C.di Maggio, G.Gennaro, M.Marziani, A.Tuffanelli, M.Gambaccini, "Dual-energy imaging in full-field digital mammography: a phantom study", Phys. Med. Biol., Vol. 48, pp. 1945-1956 (2003).

37. M.Marziani et al., "Dual energy tissue cancellation in mammography with quasi- monochromatic x-rays", Phys. Med. Biol., Vol. 47, pp. 305-310 (2002).

38. P.Baldelli, M.Gambaccini et all., "A quasi-monochromatic system prototype for mammography".

39. P.Baldelli, M.Gambaccini et all., "Development of a quasi-monochromatic source for mammography applications", Nucl. Instrum. Meth., Vol. A 518, pp. 386–388 (2004).

HAPG - new Optigraph's development

40. H. Legall, H. Stiel, A. Erko, V. Arkadiev, A. Bjeoumikhov, A. Antonov, I. Grigorieva, "A New Generation of X-Ray Optics Based on Pyrolytic Graphite".

41. H. Legall, H. Stiel, V. Arkadiev, A. Antonov, I. Grigorieva, A. Bjeoumikhov, A. Erko, "High Spectral Resolution X-Ray Optics based on Pyrolytic Graphite".

42. H.Legall, H.Stiel, M. Schnurer, M.Pagels, B. Kanngiesser, M. Muller, B. Beckhoff, I.Grigorieva, A. Antonov, V. Arkadiev, A.Bjeoumikhov, An efficient X-ray spectrometer based on thin mosaic crystal films and its application in various field of X-ray spectroscopy, J.Appl.Cryst., Vol. 42, pp. 572-579 (2009).


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