Mr. Aleksandr Razumtcev Profile

Aleksandr Razumtcev

SPIE Involvement:

Author

Publications (6)

Proceedings Article | 13 March 2024 Presentation

Gwendylan Turner, Daniel Herman, Markus Mangold, Aleksandr Razumtcev, Ziyi Cao, Jiayue Rong, Charles Bouman, Gregery Buzzard, Garth Simpson

Proceedings Volume PC12855, PC1285510 (2024) https://doi.org/10.1117/12.3003026

KEYWORDS: Infrared imaging, Infrared radiation, Mid-IR, Microscopy, Fluorescence spectroscopy, Spatial resolution, Infrared detectors, Quantum detection, Quantum cascade lasers, Imaging systems

Read Abstract +

Proceedings Article | 13 March 2024 Presentation

Broadband chemically-specific imaging by synchrotron photothermal mid-IR microscopy

Aleksandr Razumtcev, Hans Bechtel, Garth Simpson

Proceedings Volume PC12855, PC128550Y (2024) https://doi.org/10.1117/12.3002072

KEYWORDS: Biological imaging, Synchrotrons, Imaging spectroscopy, Mid-IR, Infrared imaging, Microscopy, Fourier transforms, Vibration, Thermography, Spectroscopy

Read Abstract +

Proceedings Article | 17 March 2023 Poster

Fast diffusion characterization by fluorescence recovery while photobleaching (FRWP)

Minghe Li, Aleksandr Razumtcev, Dustin Harmon, Garth Simpson

Proceedings Volume PC12392, PC123921C (2023) https://doi.org/10.1117/12.2649098

KEYWORDS: Diffusion, Luminescence, Macromolecules, Ultrafast phenomena, Ultrafast measurement systems, Systems modeling, Proteins, Pharmacology, Optical microscopy, Molecules

Read Abstract +

Proceedings Article | 15 March 2023 Presentation

Label-free parts per million detection by autofluorescence photothermal mid-IR (AF-PTIR) microscopy (Conference Presentation)

Aleksandr Razumtcev, Minghe Li, Garth Simpson

Proceedings Volume PC12392, PC123920W (2023) https://doi.org/10.1117/12.2649064

KEYWORDS: Mid-IR, Crystals, Microscopy, Quantum cascade lasers, Imaging spectroscopy, Absorption, X-ray diffraction, Ultraviolet radiation, Spectroscopy, Solids

Read Abstract +

Proceedings Article | 15 March 2023 Presentation

Diffusion mapping by Fourier-transform fluorescence recovery after photobleaching (FT-FRAP) for phase separation in drug formulations (Conference Presentation)

Ziyi Cao, Dustin Harmon, Ruochen Yang, Aleksandr Razumtcev, Minghe Li, Mark Carlsen, Andreas Geiger, Alex Sherman, Nita Takanti, Jiayue Rong, Lynne Taylor, Garth Simpson

Proceedings Volume PC12392, PC1239214 (2023) https://doi.org/10.1117/12.2648473

KEYWORDS: Diffusion, Luminescence, Image segmentation, Fourier transforms, Signal to noise ratio, Thin films, Solids, Optical lithography, Mathematics, Image enhancement

Read Abstract +

Proceedings Article | 2 March 2022 Presentation

Fluorescence-detected mid-infrared photothermal microscopy

Aleksandr Razumtcev, Minghe Li, Ruochen Yang, Lynne Taylor, Garth Simpson

Proceedings Volume PC11973, PC119730G (2022) https://doi.org/10.1117/12.2609722

KEYWORDS: Microscopy, Mid-IR, Absorption, Ultraviolet radiation, Solids, Signal to noise ratio, Product engineering, Particles, Luminescence, Infrared spectroscopy

Read Abstract +

Showing 5 of 6 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years