Summer 2027 Internship - Experimental Lasers (Undergraduate)
About The Position
Xcimer Energy is developing inertial fusion energy technology and aims to deploy fusion power plants to support global decarbonization. The Experimental Lasers Intern will work with the Experimental Lasers group on the development of excimer laser systems. Paired with a mentor, the intern will work hands-on in the lab building, aligning, and measuring pulsed laser systems and diagnostics. The project will be scoped to the intern’s background and interests. This is a full-time, onsite, 12-week summer internship based at Xcimer Energy’s headquarters in Denver, Colorado, in summer 2027. The intern will apply technical expertise, problem-solving skills, and attention to quality to contribute to the company’s energy technology work.
Requirements
- Pursuing a BS in physics, optics, electrical engineering, or a related field, with at least sophomore year completed by summer 2027.
- Hands-on lab work through an upper-division lab course, research group, senior design, or independent build project.
- Clear written and verbal communication.
- Available to work full-time onsite in Denver for all 12 weeks.
- Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
Nice To Haves
- Familiarity with pulsed lasers or harmonic frequency conversion.
- Exposure to pulse diagnostics such as energy meters, photodiodes, spectrometers, or beam profilers, and experience analyzing data in Python, MATLAB, or similar.
- Background working around vacuum systems, high voltage, or Class 4 lasers under a safety program.
- Optical alignment skills gained through a lab course, research group, or personal project.
Responsibilities
- Assemble, align, and operate pulsed laser setups and optical beamlines alongside an Experimental Lasers mentor.
- Build and calibrate diagnostics for pulse energy, duration, spectrum, and beam profile, and reduce raw data to results.
- Compare measurements against first-order models from textbooks and published literature.
- Help plan and run experiments on a team project, keeping clear records of setups, data, and findings.
- Present results to the team and at a company-wide Lunch and Learn at the end of the summer.
Benefits
- Medical, dental, and vision coverage.
- Basic and supplemental life insurance.
- Short- and long-term disability coverage.
- Paid parental leave for employees at the time of birth or adoption.
- 401(k) with a company match of up to 6%.
- Equity for eligible employees.
- Flexible Paid Time Off (ATO).
- Paid sick time.
- 13 company-paid holidays.
- Annual paid company shutdown.
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What This Job Offers
Job Type
Full-time
Career Level
Intern
