ArticlePhysics in medicine and biology2016
A promising new mechanism of ionizing radiation detection for positron emission tomography: modulation of optical properties.
Article in Physics in medicine and biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Simulation study of wedge-shaped light guide for compensating depth-of-interaction induced timing uncertainty in Cherenkov radiator.Medical physics · 2026Article
- Strong ultrafast nonlinear optical response from megaelectronvolt electrons in semiconductors.Nature photonics · 2026Article
- Study of modulation in complex refractive indices induced by ultrafast relativistic electrons using infrared and THz probe pulses.Physics in medicine and biology · 2024Article
- Simulation of ionization charge carrier cascade time and density for a new radiation detection method based on modulation of optical properties.Medical physics · 2024Article
- Numerical Investigation on the Effects of Grain Size and Grinding Depth on Nano-Grinding of Cadmium Telluride Using Molecular Dynamics Simulation.Nanomaterials (Basel, Switzerland) · 2023Article
- Time of Flight in Perspective: Instrumental and Computational Aspects of Time Resolution in Positron Emission Tomography.IEEE transactions on radiation and plasma medical sciences · 2021Article
- Optical Simulation and Experimental Assessment with Time-Walk Correction of TOF-PET Detectors with Multi-Ended Readouts.Sensors (Basel, Switzerland) · 2021Article
- Further investigations of a radiation detector based on ionization-induced modulation of optical polarization.Physics in medicine and biology · 2021Article
- Effect of CZT system characteristics on Compton scatter event recovery.IEEE transactions on radiation and plasma medical sciences · 2020Article
- Two-crossed-polarizers based optical property modulation method for ionizing radiation detection for positron emission tomography.Physics in medicine and biology · 2019Article
- Evaluation of a clinical TOF-PET detector design that achieves ⩽100 ps coincidence time resolution.Physics in medicine and biology · 2018Article
- Study of material properties important for an optical property modulation-based radiation detection method for positron emission tomography.Journal of medical imaging (Bellingham, Wash.) · 2017Article
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3 authors.
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Abstract
Using conventional scintillation detection, the fundamental limit in positron emission tomography (PET) time resolution is strongly dependent on the inherent temporal variances generated during the scintillation process, yielding an intrinsic physical limit for the coincidence time resolution of around 100 ps. On the other hand, modulation mechanisms of the optical properties of a material exploited in the optical telecommunications industry can be orders of magnitude faster. In this paper we borrow from the concept of optics pump-probe measurement to for the first time study whether ionizing radiation can produce modulations of optical properties, which can be utilized as a novel method for radiation detection. We show that a refractive index modulation of approximately [Formula: see text] is induced by interactions in a cadmium telluride (CdTe) crystal from a 511 keV photon source. Furthermore, using additional radionuclide sources, we show that the amplitude of the optical modulation signal varies linearly with both the detected event rate and average photon energy of the radiation source.
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