Mr. Peter A. Thelin Profile

Peter A. Thelin

Optician at Lawrence Livermore National Lab Retired

SPIE Involvement:

Author

Area of Expertise:

Cutting, grinding and polishing exotic optical materials , Prototype & limited production , Manufacturing time & cost estimating , Metrology regarding surface finishes , Optical nomenclature translation , Hand grinding & polishing to etter than 1/20th wave!

Websites:

Personal Website | Company Website

1988-2017; Lawrence Livermore National Laboratory--Optic Shop
1986-1988; Contraves Goerz, Pittsburgh PA--Aspherics
1984-1986; United Technology Research Center, West Palm Beach Fl--Metal Optics
1978-1984; ZYGO Middlefield Connecticut--Spherical polishing & metrology

2006 R&D 100 Award, Y-CoB Frequency Convertor
2010 R&D 100 Award, Strontium Iodide Gama Spectroscopy
2016 R&D 100 Award GLO scintillator

Retired from LLNL August 2017, available for consultation

N Cherepy et. al. “Inst. Dev. and Gamma Spectroscopy with SrI2” IEEE Trans on Nuc Sci 60 (2013)
J Geary et. al. “Interferometry on Grazing Incidence Optics” Opt Eng 26 (1987)
J. Adams et. al. “4.0–4.5-µm lasing of Fe:ZnSe below 180 K” Opt Let (1999)
P.J. Kuzmenko et. al. “Modeling, Fab, and Testing of a Diamond-Machined Ge Immersion Grating” SPIE (2002)

Proceedings Article | 17 September 2020 Presentation + Paper

Scintillators and detectors for MeV x-ray and neutron imaging

N. Cherepy, Z. Seeley, S. Hok, D. Schneberk, P. Kerr, S. O'Neal, I. Oksuz, M. Bisbee, L. Cao, S. Payne, R. Sanner, G. Stone, B. Hobson, G. Guethlein, J. Hall, R. Stoneking, J. Mintz, C. McNamee, P. Thelin

Proceedings Volume 11494, 114940N (2020) https://doi.org/10.1117/12.2569519

KEYWORDS: Scintillators, X-rays, Radiography, X-ray imaging, Amorphous silicon, Ceramics, Spatial resolution

Read Abstract +

Proceedings Article | 18 October 2017 Presentation

Recent advances in garnet scintillator gamma spectrometers (Conference Presentation)

Erik Swanberg, Zachary Seeley, Patrick Beck, Brian Wihl, Nerine Cherepy, Stephen Payne, Steven Hunter, Scott Fisher, Peter Thelin, Todd Stefanik, Joel Kindem

Proceedings Volume 10392, 103920X (2017) https://doi.org/10.1117/12.2276517

KEYWORDS: Sensors, Ceramics, Garnet, Scintillators, Imaging spectroscopy, Spectrometers, Gamma radiation, Gadolinium, Cerium, Photodiodes

Read Abstract +

Proceedings Article | 15 September 2017 Presentation + Paper

History and current status of strontium iodide scintillators

N. Cherepy, P. Beck, S. Payne, E. Swanberg, B. Wihl, S. Fisher, S. Hunter, P. Thelin, C. Delzer, S. Shahbazi, A. Burger, K. Shah, R. Hawrami, L. Boatner, M. Momayezi, K. Stevens, M. Randles, D. Solodovnikov

Proceedings Volume 10392, 1039202 (2017) https://doi.org/10.1117/12.2276302

KEYWORDS: Crystals, Sensors, Strontium, Radioisotopes, Scintillators, Europium, Gamma radiation, Spectrometers, Scintillation

Read Abstract +

Proceedings Article | 4 September 2015 Paper

Transparent ceramic scintillators for gamma spectroscopy and MeV imaging

N. Cherepy, Z. Seeley, S. Payne, E. Swanberg, P. Beck, D. Schneberk, G. Stone, R. Perry, B. Wihl, S. Fisher, S. Hunter, P. Thelin, R. Thompson, N. Harvey, T. Stefanik, J. Kindem

Proceedings Volume 9593, 95930P (2015) https://doi.org/10.1117/12.2189156

KEYWORDS: Scintillators, Ceramics, Radiography, Imaging spectroscopy, Garnet, Spectroscopy, Photodiodes, Radio optics, Transparency, Crystals

Read Abstract +

Proceedings Article | 9 September 2014 Paper

Strontium iodide instrument development for gamma spectroscopy and radioisotope identification

P. Beck, N. Cherepy, S. Payne, E. Swanberg, K. Nelson, P. Thelin, S. Fisher, S. Hunter, B. Wihl, K. Shah, R. Hawrami, A. Burger, L. Boatner, M. Momayezi, K. Stevens, M. Randles, D. Solodovnikov

Proceedings Volume 9213, 92130N (2014) https://doi.org/10.1117/12.2063056

KEYWORDS: Crystals, Sensors, Radioisotopes, Prototyping, Strontium, Scintillation, Data modeling, Performance modeling, Scintillators, Digital electronics

Read Abstract +

Proceedings Article | 28 September 2011 Paper

Performance of europium-doped strontium iodide, transparent ceramics and bismuth-loaded polymer scintillators

N. Cherepy, S. Payne, B. Sturm, S. O'Neal, Z. Seeley, O. Drury, L. K. Haselhorst, B. Rupert, R. Sanner, P. Thelin, S. Fisher, R. Hawrami, K. Shah, A. Burger, J. Ramey, L. Boatner

Proceedings Volume 8142, 81420W (2011) https://doi.org/10.1117/12.896656

KEYWORDS: Scintillators, Ceramics, Crystals, Strontium, Spectroscopy, Scintillation, Gamma radiation, Garnet, Bismuth, Radiography

Read Abstract +

Showing 5 of 6 publications

Keywords/Phrases

Search In:

Publication Years