John Kenneth Krebs Curriculum Vitae

Department of Physics kekrebs@davidson.edu

Davidson College http://webphysics.davidson.edu/faculty/jkk/

Davidson, NC 28035-7133

Education

Ph.D. Physics, The University of Georgia (August 2000)

Advisor: Uwe Happek

Dissertation: Luminescent properties of trivalent ytterbium ions in sol-gel produced alumina

M.Ed. Science Education, The University of Georgia (June 1998)

Advisor: Debra Tippins

Concentration: The effects of preconceptions on physics learning

B.S. Physics (Honors), The Georgia Institute of Technology (June 1993)

Courses in electronics, nonlinear dynamics & chaos, lab techniques

Academic Employment History

Visiting Assistant Professor of Physics, Davidson College (2000-present)

Designed lab exercises for modern physics

Taught course for non-science majors

Taught both semesters of introductory sequence

Taught upper level modern physics course

Guided undergraduate student research projects

Submitted external and internal grant proposals

Graduate Teaching Assistant, Department of Physics and Astronomy, The University of Georgia (1994-2000)

Taught all three quarters of introductory lab sequence

Taught upper level labs for electronics and optics

Worked with faculty to develop project-based Optics lab exercises

Oversaw undergraduate student research projects

Teaching Assistant for Conceptual Physics Course, College of Education, The University of Georgia (1994)

Co-op employee, Institute of Paper Science and Technology, Optical properties lab (1990-1992)

Co-op employee, Georgia Tech Research Institute, X-ray fluorescence lab and Hazardous Materials Group (1989-1990)

Publications (* denotes undergraduate co-authors)

Yb³⁺ energy levels in a-Al₂O₃, J.K. Krebs and U. Happek, submitted to Journal of Luminescence (2001)

Electron transfer processes in rare earth doped insulators, Happek U., Basun S.A., Choi J, Krebs J.K., Raukas M. Journal of Alloys and Compounds, 303- 304, p198-206 (2000).

Non-radiative relaxation of Yb³⁺ in highly porous g-Al₂O₃, Krebs JK, Feofilov SP, Kaplyanskii AA, Zakharchenya RI, Happek U. Journal of Luminescence 83-4: 209-213 (1999).

Photo bleaching in Sm²⁺ selectively doped epitaxial CaF₂ films, Krebs JK, Segal CL*, Yen WM, Happek U. Journal of Luminescence 72-4: 220-221 (1997).

Charge transfer in Sm²⁺ doped epitaxial CaF₂ films on Si(111), Krebs JK, Segal CL*, Yen WM, Happek U. Materials Science Forum 239-241, 295-298 (1997).

Newton’s Laws of Motion by Induction, J.K. Krebs, The Georgia Science Teacher, Fall (1994).

Presentations (* denotes work presented by undergraduate student)

Yb³⁺ energy levels in a-Al₂O₃, Dynamic Processes in Condensed Matter, Lyon, France (2001)

*Production and optical studies of thin film coatings, North Carolina Academy of Sciences, Greensboro, NC (2001) Presented by Sharon E. Meidt

Portfolio assessment using Physlets in a non-science majors course, North Carolina Section of the American

Association of Physics Teachers, Durham, NC (2000)

Rare earth impurities in sol-gel materials, Charlotte Chapter of the Optical Society of America, Davidson, NC (2000)

Yb³⁺ centers in sol-gel produced corundum, American Physical Society March Meeting, Minneapolis, MN (2000)

Yb³⁺ centers in sol-gel produced Al₂O₃, Southeastern Section of the American Physical Society, Chapel Hill, NC (1999)

Spectroscopy of Yb³⁺ in sol-gel produced Al₂O₃, Rare Earth Research Conference, Argonne, IL (1999)

Non-radiative relaxation of Yb³⁺ in highly porous g-Al₂O₃, Dynamic Processes in Condensed Matter, Humacau, PR (1999)

Non-radiative relaxation of Yb³⁺ in highly porous g-Al₂O₃, American Physical Society March Meeting, Atlanta, GA (1999)

Laser cooling of single crystals, American Physical Society March Meeting, Los Angeles, CA (1998)

Sm²⁺ luminescence as a probe of the CaF₂/Si(111) interface in epitaxial films, American Physical Society March Meeting, Kansas City, MO (1997)

Photo bleaching in Sm²⁺ selectively doped epitaxial CaF₂ films, International Conference on Luminescence, Prague (1996) Presented by Prof. Uwe Happek

Charge transfer in Sm²⁺ doped epitaxial CaF₂ films on Si(111), International Conference on Defects in Insulating Materials, Winston Salem, NC (1996)

Site-selective doping of Sm²⁺ in epitaxial CaF₂ films on Si(111), American Physical Society March Meeting, St. Louis, MO (1996)

Awards and Honors

The University of Georgia Department of Physics and Astronomy William E Cummings Award for Excellence (1997)

Received Department nomination for Graduate School Excellence in Teaching Award (1997)

The University of Georgia Graduate School Outstanding Teaching Award (1996)

Professional Affiliations

American Physical Society (1989-present)

Optical Society of America (2000-present)

American Association of Physics Teachers (2001-present)