Recent Publications

13. M. Gascon, S. Lam, S. Wang, S. Curtarolo, and R. S. Feigelson, "Characterization of light output and scintillation emission in CsI(Tl), NaI(Tl), and LaBr3(Ce) under isostatic pressure", Rad. Meas, In press. (2013)

12. S. Lam, M. Gascon, S. Podowitz, S. Curtarolo, and R. S. Feigelson, "Nonproportionality and Scintillation Responses of LSO:Ce From 4.3 to 300 K", IEEE Trans. Nucl. Sci., 60, 2 (2013)

11. R. M. Gaume, S. Lam, M. Gascon, W. Setyawan, S. Curtarolo, R. S. Feigelson, "An Apparatus for Studying Scintillation Properties at High Isostatic Pressures," Rev. Sci. Instrum., 84, 1, 016109 (2013).

10. S. Lam, M. Gascon, R. Hawrami, W. Setyawan, S. Curtarolo, R. S. Feigelson, and R. M. Gaume. "Nonproportionality and Scintillation Studies of Eu:SrI2 From 295 to 5 K", IEEE Trans. Nucl. Sci., 58, 5, 2052-2056, (2012).

9. S. R. Podowitz, R. M. Gaume, R. S. Feigelson. "Probing Grain Boundaries in Ceramic Scintillators using X-Ray Radioluminescence Microscopy ", J. Appl. Phys. 111, 013520 (2012).

8. W. Setyawan, R. M. Gaume, S. Lam, R. S. Feigelson, S. Curtarolo. "High-Throughput Combinatorial Database of Electronic band Structures for Inorganic scintillator Materials", ACS Comb. Sci., 13, 4, 382-290 (2011).

7. S. R. Podowitz, R. M. Gaume, Wesley T. Hong, A. Laouar, R. S. Feigelson. "Fabrication and Properties of Translucent SrI2 and Eu:SrI2 Scintillator Ceramics" IEEE Trans. Nucl. Sci., 57, 6, 3827 - 3835 (2010).

6. S. R. Podowitz, R. Gaume, R. S. Feigelson. "Effect of Europium Concentration on Densification of Transparent Eu:Y2O3 Scintillator Ceramics Using Hot Pressing.” J. Am. Ceram. Soc., 93, 1, 82-88 (2010).

5. W. Setyawan, R.M. Gaume, R.S. Feigelson, and S. Curtarolo."Comparative Study of Nonproportionality and Electronic Band Structures Features in Scintillator Materials", IEEE Trans. Nucl. Sci. 56, 5, 2989-2996 (2009).

4. A.P. Patel, M.R. Levy, R.W. Grimes, R.M. Gaume, R.S. Feigelson, K.J. McClellan, and C.R. Stanek. "Mechanisms of non-stoichiometry in Y3Al5O12", Appl. Phys. Lett. 93, 191902 (2008).

3. M.O. Ramirez, J.A. Wisdom, H. Li, Y.L. Aung, J. Stitt, G.L. Messing, V. Dierolf, Z. Liu, A. Ikesue, R.L. Byer, and V. Gopalan."Three-dimensional grain boundary spectroscopy in transparent high power ceramic laser materials," Opt. Express 16, 9, 5965-5973 (2008).

2. J. A. Wisdom, R. Gaume, R. Route, Y.L. Aung, A. Ikesue, M.J.F. Digonnet, and R.L. Byer. Edited by W.A. Clarkson, N. Hodgson, R.K. Shori. "Optimized Design of Nd Transverse Doping Profiles in Transparent YAG Ceramics for Edge-Pumped Laser Geometries", 2008 Solid State Diode Laser Technology Review, Solid State Lasers XVII: Technology and Devices. Proc. SPIE Int. Soc. Opt. Eng., 6871, 68711I-68711I-12 (2008)

1. J. Wisdom, D. Hum, M.J.F. Digonnet, A. Ikesue, M.M. Fejer, and R.L. Byer. Edited by S. Jiang and M.J.F. Digonnet."2.6-Watt Average-Power Mode-Locked Ceramic Nd:YAG Laser" Optical Components and Materials IV. Proc. SPIE Int. Soc. Opt. Eng., 6469, 64690C (2007).



Talks and Posters

33. S. Lam, M. Gascon, S. Podowitz, R. Gaume, R. Hawrami, R. S. Shah, W. Setyawan, S. Wang, S. Curtarolo, R. S. Feigelson, "Scintillation and Light Yield Nonproportionality Studies of LSO(Ce) and SrI2(Eu) From 5 to 300 K" (Talk), IEEE Nuclear Science Symposium, Anaheim, CA, USA, (Nov 2012).

32. M. Gascon, S. Lam, R. M. Gaume, W. Setyawan, S. Wang, S. Curtarolo, R. S. Feigelson, "Scintillation and Nonproportionality Studies on CsI(Tl), NaI(Tl), and LSO(Ce) Under Isostatic Pressure" (Talk), IEEE Nuclear Science Symposium, Anaheim, CA, USA, (Nov 2012).

31. M. Gascon, S. Lam, W. Setyawan, S. Wang, S. Curtarolo, R. S. Feigelson, "Non-proportionality studies through the application of high isostatic pressure," LUMDETR, Halle, Germany (Sept 2012).

30. S. Lam, M. Gascon, R. M. Gaume, R. S. Feigelson, "Low Temperature scintillation and Nonproportionality Studies" (Poster), SORMA-West, Oakland, CA, USA (May 2012).

29. M. Gascon, S. Lam, R. Gaume, W. Setyawan, S. Wang, S. Curtarolo, R, S. Feigelson, "The Study of Scintillator Nonproportionality through the Application of High Isostatic Pressure" (Poster), SORMA-West, Oakland, CA, USA (May 2012).

28. A. Yeckel, J. Derby, S. Podowitz, S. Lam, R. S. Feigelson, "Analysis of CsI Scintillator Crystal Production via the Edge-Defined Film-Fed Growth Method" (Poster), SORMA-West, Oakland, CA, USA (May 2012).

27. S. Lam, R. M. Gaume, M. M. Gascon, R. Hawrami, K. S. Shah, R. S. Feigelson, "Nonproportionality and Scintillation Studies of SrI2(Eu) from 9 K to 300 K" (Talk), IEEE Nuclear Science Symposium, Valencia, Spain, (Oct 2011).

26. R. M. Gaume, S. Lam*, M. M. Gascon, W. Setyawan, S. Curtarolo, R. S. Feigelson, "The study of scintillator nonproportionality through the application of high isostatic pressure" (Talk), IEEE Nuclear Science Symposium, Valencia, Spain, (Oct 2011).

25. S. Lam, R. M. Gaume, M. M. Gascon*, R. Hawrami, K. S. Shah, R. S. Feigelson, "Scintillation studies of SrI2(Eu) down to 9 K" (Poster), SCINT, Giessen, Germany, (Sept. 2011).

24. R. M. Gaume, S. Lam, M. M. Gascon*, W. Setyawan, S. Curtarolo, R. S. Feigelson, "Nonproportionality studies through the application of high isostatic pressure" (Poster), SCINT, Giessen, Germany, (Sept. 2011).

23. S. Lam, R. M. Gaume, R. S. Feigelson, W. Setyawan, and S. Curtarolo. “A Cryogenic Pulse Height Spectrometer for Nonproportionality Studies in BGO and Ce:YAG” (Poster), IEEE Nuclear Science Symposium, Knoxville, TN, (Nov. 2010).

22. S. R. Podowitz, N. Haegel, R. M. Gaume, R. S. Feigelson. “Micro-scale Scintillation Characterization Across Grain Boundaries in Eu:Y2O3 Transparent Ceramics.” Stanford Photonics Research Center (SPRC) Annual Symposium, Stanford, CA (Sep. 2010).

21. R. S. Feigelson, S. R. Podowitz, R. M. Gaume. “Single Crystals versus Transparent Ceramics for Use in Scintillation Devices.” International Conference on the Science and Technology for Advanced Ceramics (STAC), Yokohama, Japan (Jun. 2010).

20. S. R. Podowitz, S. Hanrahan, E. Bourett-Courchesne, N. Cherepy, R. M. Gaume, R. S. Feigelson. “Effect of Grain Size and Processing on Light Yield of Eu:Y2O3 Transparent Ceramics.” Symposium on Radiation Measurements and Applications (SORMA XII), Ann Arbor, MI (May 2010).

19. S. R. Podowitz, W. T. Hong, A. Laouar, R. M. Gaume, R. S. Feigelson. “Fabrication and Scintillation Properties of Translucent Eu:SrI2 Ceramics.” Symposium on Radiation Measurements and Applications (SORMA XII), Ann Arbor, MI (May 2010).

18. R. Gaume, Y. He, A. Markosyan, R.L. Byer,"Characterization of Optical Losses and Gain in Transparent YAG Ceramics", 5th Laser Ceramics Symposium Bilbao, Spain, (Dec 2009)

17. R. Gaume. "Control of Defects in Laser and Scintillator Ceramics", Conference: Advances in Optical Materials (AIOM), San Jose, CA. (Oct. 14, 2009)

16. M.O. Ramirez, J. Wisdom, J. Stitt, A. Ikesue, G. Messing, R.L. Byer, and V. Gopalan. "Raman and fluorescence imaging of grain boundaries in Nd:YAG transparent ceramic lasers", 5th International Symposium on Lasers and non-linear Optical Materials (ISLNOM), Pisa, (Sep. 3-5, 2009).

15. W. Setyawan, R. Gaume, R. Feigelson, and S. Curtarolo. "Seeing non-proportionality in inorganic scintillators from electronic band structures", SCINT 2009 Conference, Korea. (Jun. 2009).

14. W. Setyawan, R. Gaume, R. Feigelson, and S. Curtarolo. "Comparative study of electronic structures and nonproportionality of scintillator materials", ARI Conference Poster, Washington, D.C. (Apr. 2009).

13. R. Gaume."Transparent Ceramic Materials for high-power lasers and nuclear detectors", Seminar at the University of Wuhan. (Nov. 19, 2008) [Invited].

12. R. Gaume. "Design, fabrication and characterization of Nd3+ doping profiles in transparent YAG ceramics", Laser Ceramic Symposium, Shanghai, China. (Nov. 2008) [Invited].

11. J. Rabeau, R. Gaume, S. Podowitz, G.Q. Shao, and R.S. Feigelson."Fabrication of Transparent Ce3+:La2Hf2O7 Ceramics by Hot-Pressing for Scintillation Applications", Laser Ceramic Symposium, Shanghai, China. (Nov. 2008).

10. S. Podowitz, R. Gaume, R.S. Feigelson."Effect of Europium concentration on densification of transparent Eu:Y2O3 scintillator ceramics during hot-pressing", Laser Ceramic Symposium, Shanghai, China. (Nov. 2008).

9. D. Guillaume, R. Byer, R. Gaume, and Y. He. "Transparent Ceramics for Optical Applications at Stanford", Stanford Photonics Research Center Symposium. (Sep. 2008)

8. S.R. Podowitz, R. Gaume, and R.S. Feigelson. "Effects of Processing Parameters on Transparency and Grain Structure of Eu: Y2O3 Scintillator Ceramics", Symposium O: Nuclear Radiation Detection Materials, Fall Meeting MRS, Boston, MA. (Nov 28-29, 2007).

7. J. Wisdom. "Characterization of Nd3+ diffusion rates in fine-grained transparent ceramics and implications for micro-engineered laser devices", 15th International Conference on Crystal Growth, Salt Lake City. (Aug. 2007).

6. R. Gaume. "Challenges in the fabrication of transparent laser ceramics", Photonics West, San Jose, CA. (Jan 22, 2007) [Invited].

5. R. Gaume. "Ceramic materials: a promise for high-power lasers and nuclear detectors", Frontiers in Optics, San Jose, CA. (Jan. 2007) [Invited].

4. J.A. Wisdom, R. M. Gaume, T. Plettner, R.K. Route, M.J.F. Digonnet, A. Ikesue, and R.L. Byer. "Ceramic Planar Waveguides", Three-Dimensional Multifunctional Ceramic Composites Workshop, University of Illinois at Urbana-Champaign. (Oct. 3-5, 2005).

3. T. Plettner, R.M. Gaume, J. Wisdom, J. Spencer, "Laser and Particle Guiding Micro-Elements for Particle Accelerators", Particle Accelerator Conference. (2005)

2. R. Gaume. "Ceramic Lasers", Stanford Photonic Research Center Symposium. (Sep. 2005) [Invited].

1. J.A. Wisdom, M.J.F. Digonnet, and R.L. Byer."Ceramic lasers: ready for action", Photonics Spectra (Feb. 2004)