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Related Concept Videos

Determination of Crystal Structures01:29

Determination of Crystal Structures

In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...
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An atomic absorption spectrophotometer (AAS) comprises several components: a radiation source, an atomizer, a monochromator, and a detector. The radiation source can be a hollow-cathode lamp (HCL) or an electrodeless-discharge lamp (EDL), both of which provide a narrow emission line of the required wavelength. However, some instruments use continuum sources and high-resolution monochromators to achieve a narrow range of radiation.
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Fixed Target Serial Data Collection at Diamond Light Source
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Data acquisition system for an advanced x-ray imaging crystal spectrometer using a segmented position-sensitive

U W Nam1, S G Lee, J G Bak

  • 1Korea Astronomy and Space Science Institute, Taejeon 305-348, Korea. uwnam@kasi.re.kr

The Review of Scientific Instruments
|November 6, 2007
PubMed
Summary

A new data acquisition system using a time-to-digital converter was developed for segmented position-sensitive detectors. This system enhances photon count rates for advanced X-ray imaging crystal spectrometers.

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Area of Science:

  • Physics
  • Instrumentation
  • X-ray Spectroscopy

Background:

  • Position-sensitive detectors are crucial for X-ray imaging.
  • Current systems face limitations in photon count rate capability.
  • Advanced X-ray imaging crystal spectrometers require enhanced data acquisition.

Purpose of the Study:

  • To develop a versatile time-to-digital converter (TDC) based data acquisition system.
  • To demonstrate the system's functionality with a two-segment position-sensitive detector.
  • To enable future development for multisegmented detectors.

Main Methods:

  • Development of a TDC-based data acquisition system.
  • Integration and testing with a two-segment position-sensitive detector.
  • System architecture designed for scalability to multisegmented detectors.

Main Results:

  • Successful demonstration of the TDC-based data acquisition system.
  • Validation of the system's performance with a two-segment detector.
  • Established a foundation for supporting multisegmented detectors.

Conclusions:

  • The developed TDC-based data acquisition system is versatile and effective.
  • The system shows promise for improving photon count rate capabilities.
  • Further development will enhance advanced X-ray imaging crystal spectrometer systems.