Virtual optical experiments. Part II. Design of experiments

Area of Science:

• Optics and Photonics
• Materials Science
• Experimental Physics

Background:

• A physically rigorous model for optical probing was presented in Part I.
• Accurate simulation and design of optical experiments are crucial for reliable results.

Purpose of the Study:

• Introduce virtual experiments as a core strategy for optical measurement analysis.
• Support the design and optimization of optical probing experiments.
• Investigate parasitic effects, experimental accuracy, and optimal probing conditions.

Main Methods:

• Development and application of a virtual experiment framework.
• Theoretical analysis of optical probing techniques.
• Quantitative evaluation of free-carrier absorption measurements.

Main Results:

• Virtual experiments facilitate theoretical studies of parasitic effects and accuracy.
• Quantitative results identify optimum sample geometry and optical setup for free-carrier absorption.
• Backside laser probing demonstrates excellent spatial resolution.

Conclusions:

• Virtual experiments are a powerful tool for analyzing and designing optical probing techniques.
• Backside laser probing is effective for detecting hot spots with high spatial resolution.
• The study provides a framework for optimizing optical measurement strategies.