Submillisecond X-ray photon correlation spectroscopy from a pixel array detector with fast dual gating and no readout dead-time

Small-angle scattering X-ray photon correlation spectroscopy (XPCS) studies were performed using a novel photon-counting pixel array detector with dual counters for each pixel. Each counter can be read out independently from the other to ensure there is no readout dead-time between the neighboring f...

Descripción completa

Detalles Bibliográficos
Autores principales: Zhang, Qingteng, Dufresne, Eric M., Grybos, Pawel, Kmon, Piotr, Maj, Piotr, Narayanan, Suresh, Deptuch, Grzegorz W., Szczygiel, Robert, Sandy, Alec
Formato: Online Artículo Texto
Lenguaje:English
Publicado: International Union of Crystallography 2016
Materias:
Research Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5315006/
https://www.ncbi.nlm.nih.gov/pubmed/27140146
http://dx.doi.org/10.1107/S1600577516005166
Descripción
Sumario:Small-angle scattering X-ray photon correlation spectroscopy (XPCS) studies were performed using a novel photon-counting pixel array detector with dual counters for each pixel. Each counter can be read out independently from the other to ensure there is no readout dead-time between the neighboring frames. A maximum frame rate of 11.8 kHz was achieved. Results on test samples show good agreement with simple diffusion. The potential of extending the time resolution of XPCS beyond the limit set by the detector frame rate using dual counters is also discussed.

Ejemplares similares