Prof. Scott A. Holmstrom Profile

Prof. Scott A. Holmstrom

at Univ of Tulsa

SPIE Involvement:

Author

Publications (7)

Proceedings Article | 7 June 2024 Poster + Paper

The TLX-VIS component library for the AIM photonics silicon nitride passive PIC process

N. Tyndall, M. Pruessner, J. Butt, K. Walsh, M. Hossain, A. Dikshit, J. Wallner, N. Fahrenkopf, S. Holmstrom, T. Stievater

Proceedings Volume 13056, 130561F (2024) https://doi.org/10.1117/12.3012847

KEYWORDS: Photonic integrated circuits, Waveguides, Tunable filters, Quantum photonics, Silicon nitride, Polarization, Quantum sensing, Optical filters, Directional couplers, Raman spectroscopy

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SPIE Journal Paper | 8 December 2018 Open Access

Ultrabroadband lattice filters for integrated photonic spectroscopy and sensing

Nathan F. Tyndall, Todd H. Stievater, Dmitry A. Kozak, Marcel W. Pruessner, Scott A. Holmstrom, William S. Rabinovich

OE, Vol. 57, Issue 12, 127103, (December 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.12.127103

KEYWORDS: Waveguides, Optical filters, Spectroscopy, Electronic filtering, Photonic integrated circuits, Raman spectroscopy, Integrated photonics, Interferometers, Luminescence, Analytical research

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Proceedings Article | 20 February 2018 Paper

Chemical sensors fabricated by a photonic integrated circuit foundry

Todd Stievater, Kee Koo, Nathan Tyndall, Scott Holmstrom, Dmitry Kozak, Peter Goetz, R. Andrew McGill, Marcel Pruessner

Proceedings Volume 10510, 105100I (2018) https://doi.org/10.1117/12.2294059

KEYWORDS: Waveguides, Raman spectroscopy, Photonic integrated circuits, Cladding, Wave propagation, Raman scattering, Chemical analysis, Signal attenuation, Polymers, Chemical fiber sensors

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Proceedings Article | 28 April 2017 Presentation

Waveguide-enhanced Raman scattering for chemical sensing (Conference Presentation)

Scott Holmstrom, Todd Stievater, Dmitry Kozak, R. Andrew McGill

Proceedings Volume 10110, 101100Y (2017) https://doi.org/10.1117/12.2252792

KEYWORDS: Biological and chemical sensing, Coating, Integrated photonics, Photonic integrated circuits, Waveguides, Raman scattering, Raman spectroscopy, Scattering, Gas sensors, Polymers

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Proceedings Article | 12 May 2016 Paper

Nanophotonic waveguides for chip-scale raman spectroscopy: Theoretical considerations

Todd Stievater, Jacob Khurgin, Scott Holmstrom, Dmitry Kozak, Marcel Pruessner, William Rabinovich, R. Andrew McGill

Proceedings Volume 9824, 982404 (2016) https://doi.org/10.1117/12.2227905

KEYWORDS: Waveguides, Raman spectroscopy, Cladding, Raman scattering, Nanophotonics, Waveguides, Nanophotonics, Chemical analysis, Electroluminescent displays, Micro raman spectroscopy, Wave propagation, Photonic integrated circuits

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Proceedings Article | 21 May 2014 Paper

Infrared molecular binding spectroscopy realized in sorbent coated microfabricated devices

R. Andrew McGill, Todd Stievater, Marcel Pruessner, Scott Holmstrom, Kerry Nierenberg, Rachel McGill, Viet Nguyen, Doewon Park, Christopher Kendziora, Robert Furstenberg

Proceedings Volume 9101, 910107 (2014) https://doi.org/10.1117/12.2050819

KEYWORDS: Infrared spectroscopy, Infrared radiation, Polymers, Molecular spectroscopy, Spectroscopy, Mid-IR, Crystals, Long wavelength infrared, Spectroscopes, Chemical analysis

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Sorbent materials are utilized in a range of analytical applications including coatings for preconcentrator devices, chromatography stationary phases, and as thin film transducer coatings used to concentrate analyte molecules of interest for detection. In this work we emphasize the use of sorbent materials to target absorption of analyte vapors and examine their molecular interaction with the sorbent by optically probing it with infrared (IR) light. The complex spectral changes which may occur during molecular binding of specific vapors to target sites in a sorbent can significantly aid in analyte detection. In this work a custom hydrogen-bond (HB) acidic polymer, HCSFA2, was used as the sorbent. HCSFA2 exhibits a high affinity for hazardous vapors with hydrogen-bond (HB) basic properties such as the G-nerve agents. Using bench top ATR-FTIR spectroscopy the HFIP hydroxyl stretching frequency has been observed in the mid wave infrared (MWIR) to shift by up to 700 wavenumbers when exposed to a strong HB base. The amount of shift is related to the HB basicity of the vapor. In addition, the large analyte polymer-gas partition coefficients sufficiently concentrate the analyte in the sorbent coating to allow spectral features of the analyte to be observed in the MWIR and long wave infrared (LWIR) while it is sorbed to HCSFA2. These spectral changes, induced by analyte-sorbent molecular binding, provide a rich signal feature space to consider selective detection of a wide range of chemical species as single components or complex mixtures. In addition, we demonstrate an HCSFA2 coated microbridge structure and micromechanical photothermal spectroscopy to monitor spectral changes when a vapor sorbs to HCSFA2. Example ATR-FTIR and microbridge spectra with exposures to dimethylmethylphosphonate (DMMP – G nerve agent simulant) and other vapors are compared. In a generic form we illustrate the concept of this work in Figure 1. The results of this work provide the potential to consider compact detection systems with high detection fidelity.

Proceedings Article | 17 June 1993 Paper

Nonlinear optical responses of photorefractive crystals

Richard Powell, Huimin Liu, Istvan Foldvari, Scott Holmstrom, Roger Reeves

Proceedings Volume 1861, (1993) https://doi.org/10.1117/12.147056

KEYWORDS: Crystals, Absorption, Niobium, Picosecond phenomena, Polarization, Nonlinear crystals, Photorefraction, Ions, Laser crystals, Signal processing

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