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Comparison of photodiode nonlinearity measurement systems
Meredith N Draa1, Alexander S Hastings, Keith J Williams
1Global Defense Technology & Systems, Inc., 2200 Defense Highway, Suite 405, Crofton, MD 21114, USA. meredith.draa.ctr@nrl.navy.mil
Optics Express
|July 1, 2011
Summary
Comparing photodiode nonlinearity measurements across one-, two-, and three-tone systems reveals interchangeability hinges on distortion following specific mathematical slopes for accurate results.
Area of Science:
- Electrical Engineering
- Optical Measurement
- Nonlinearity Characterization
Background:
- Photodiode performance is critical in various optical systems.
- Accurate characterization of photodiode nonlinearity is essential for reliable measurements.
- Different measurement systems exist, but their comparability is not fully established.
Purpose of the Study:
- To compare the accuracy of photodiode nonlinearity measurements using one-, two-, and three-tone systems.
- To analyze the mathematical relationships between different measurement setups.
- To determine the conditions under which these measurement systems yield comparable results.
Main Methods:
- Utilized one-, two-, and three-tone measurement systems for photodiode nonlinearity assessment.
- Performed mathematical analysis of the relationships between the measurement systems.
- Collected and compared data from multiple photodiode devices.
Main Results:
- Established the mathematical framework governing each measurement system.
- Identified device-specific data variations across the setups.
- Demonstrated that interchangeability is achieved only when distortion follows predicted mathematical slopes.
Conclusions:
- The three measurement systems are not universally interchangeable.
- Interchangeability is contingent upon the photodiode's distortion characteristics aligning with theoretical models.
- Understanding these conditions is crucial for selecting appropriate measurement techniques.
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