Phd Researcher

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**Faculty of Physics and Astronomy**:
Experimental Physics V - Spectroscopy of Atoms and Molecules by Laser Methods
In order to fill a fixed-term position in part-time (29.8725 hours/week = 75%) from March 2026, we are looking for a
PhD researcher (M/F/x) for precision spectroscopy of atoms and molecules in plasmas with advanced laser-based diagnostics (infrared frequency comb spectroscopy, THz spectroscopy)
**Scope**: part-time
**Duration**: fixed-term, 3 Years
**Start**: from March 2026
**Your tasks**:

- To carry out detailed studies to elucidate relevant plasma-chemical processes and to identify key species in the plasma
- Determine spectroscopic parameters of plasma-relevant species
- Support the modelling tasks of the plasmas under investigation
- Documentation and presentation of experimental results, including preparation of reports, publications, and contributions to group meetings and at national and international conferences.
- Involvement in national and international collaborations, research as well as industry
- Mentoring of BSc. and MSc. students and teaching obligations

**Your profile**:

- Master of Science (MSc) degree in physics, chemistry or related field
- Good knowledge of plasma physics or laser spectroscopy would be an asset
- Experimental experience with laser absorption spectroscopy would be an advantage
- Knowledge of programming languages and analysis software (Matlab, Python, Origin, etc.) would be an advantage
- Highly motivated and with the drive to advance scientific research in the field of plasma diagnostics and plasma chemistry
- A structured and independent approach to work with good communication and organisational skills
- High degree of commitment and dedication, flexibility, reliability, ability to work in a team, high performance orientation and problem-solving competence
- Good command of English (written and spoken); German is helpful but not required

**We offer**:

- Employment at one of the largest universities in Germany within the University Alliance Ruhr
- Challenging and varied tasks with a high degree of responsibility and independence
- The opportunity to make an innovative contribution
- Structured supervision and extensive training and further education opportunities
- Experienced and professional support
- Team-oriented work in a dedicated, international, respectful and appreciative team
- Networking opportunities at national and international conferences and in cooperation with national and international research and industry partners
- Flexible and family-friendly working hours
- A job in the heart of the lively Ruhr metropolitan region with its diverse cultural offerings

**Further information**:
The position is salaried and based on the collective agreement of the Länder (TV-L). If the personal and collective agreement requirements are met, the employee will receive pay grade E 13 TV-L TV-L.
Further information can be found at
(in German). The place of work is Ruhr University Bochum.
The load of teaching will be calculated according to - 3 of Lehrverpflichtungsverordnung (state of North Rhine-Westphalia).
RUB sees itself as a university with an international presence. The campus languages are German and English. Competence in at least one of the two languages and the willingness to learn the other are a prerequisite. RUB provides corresponding free courses for employees.
**Contact persons for further information**:
**Prof. Dr. Ir. Jean-Pierre van Helden, Tel.**: +49 234 32 26879
RUHR-UNIVERSITÄT BOCHUM
44801 Bochum
Universitätsstraße 150
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