Optical Engineering Internship: Focus Sensor Modeling

ASML; Veldhoven; On-site; EUR 4,500 - 8,900; Full time

Benefits offered by this job

Mentorship by senior engineers

Research-driven environment

Job summary

ASML’s YieldStar XYZ Wafer Align group in Veldhoven offers a Physics | Optical Engineering internship focused on understanding a next-generation focus sensor for wafer measurements. You will develop models, run simulations, and compare results with experiments, collaborating with experts in a research-driven environment.

The role is suitable for a master’s or bachelor’s student with strong optics knowledge and programming skills, starting February 2027 for at least 5 months, with minimum 4 days

Qualifications

• Pursuing a master’s or bachelor degree in physics, optical engineering, photonics, or a related field.
• Have knowledge of optical systems and Fourier analysis.
• Programming experience with Python, MATLAB, Mathematica, or comparable scientific computing tools.
• Analytical and able to translate physical principles into practical models.
• Able to communicate clearly and collaboratively in English.

Responsibilities

• Develop simplified optical models to predict focus sensor behavior.
• Extend analytical ray-based and irradiance-based models.
• Create Fourier optics simulations and compare results with analytical predictions.
• Build a structured simulation and data-processing workflow.
• Analyze the impact of optical and wafer-related parameter variations.
• Identify key performance sensitivities and translate them into simplified models.
• Compare model outcomes with experimental observations and present findings.

Education

Master's or Bachelor in Physics / Optical Engineering / Photonics

Tools

Python

MATLAB

Mathematica

Job description

ASML’s YieldStar XYZ Wafer Align group in Veldhoven offers a Physics | Optical Engineering internship focused on understanding a next-generation focus sensor for wafer measurements. You will develop models, run simulations, and compare results with experiments, collaborating with experts in a research-driven environment.

The role is suitable for a master’s or bachelor’s student with strong optics knowledge and programming skills, starting February 2027 for at least 5 months, with minimum 4 days