Characterization of a thin laser beam profile by a vibrating wire with fast electronics and new data processing algorithm

The characterization of thin laser beam profiles using a vibrating wire resonator involves measuring photon fluxes generated from the reflection of a focused laser beam off the vibrating wire. The reflected photons are detected using a fast photodiode. Essentially, the vibrating wire serves as a miniature scanner. The beam profile is reconstructed by analyzing the time signal of the photodiode relative to the spatial coordinates of the wire during its oscillations. The algorithm developed in this study is based on mathematically defining the thickness of the profile curve, enabling fitting of parameters such as the period and phase of wire oscillations. Implemented within software built on Visual Basic 10, this algorithm facilitates the fast acquisition of laser beam profiles with high resolution.

• Publication year

  2025

• Venue

  Journal of Instrumentation

• Publication date

  2025-07-01

• Fields of study

  Physics, Engineering

• Identifiers
  DOI 10.1088/1748-0221/20/07/T07001
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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