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Timing optimization utilizing order statistics and multichannel digital silicon photomultipliers
Optics Letters
|February 4, 2014
Summary
We optimized timing measurements using multichannel digital silicon photomultipliers (MD-SiPMs) and order statistics. This method improves accuracy for applications like 3D rangefinding and positron emission tomography by detecting multiple photons.
Area of Science:
- Physics
- Instrumentation
- Signal Processing
Background:
- Accurate timing measurements are crucial for advanced applications such as 3D rangefinding and time-of-flight positron emission tomography.
- Multichannel digital silicon photomultipliers (MD-SiPMs) offer potential for enhanced photon detection capabilities.
Purpose of the Study:
- To present an optimization technique for timing measurements using order statistics with MD-SiPMs.
- To demonstrate the advantage of detecting multiple photons and utilizing multiple timestamps for improved time-of-arrival estimation.
Main Methods:
- Utilized order statistics for signal processing with MD-SiPMs.
- Investigated the detection of multiple photons and their impact on timing accuracy.
- Employed multiple timestamps to refine time-of-arrival estimations.
Main Results:
- Demonstrated the MD-SiPM's capability to detect multiple photons.
- Verified the advantage of multiple photon detection when photon arrivals follow a Gaussian distribution.
- Showcased improved accuracy in time-of-arrival estimation through the use of multiple timestamps.
Conclusions:
- The presented optimization technique enhances timing measurement accuracy using MD-SiPMs.
- The method is advantageous for applications involving photon detection with known probability density functions, such as scintillators or laser sources.
- This approach offers a broadly applicable method for precise time-of-arrival determination.
