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Logo Institut für Physikalische und Theoretische Chemie der TU Braunschweig

Laser Safety

The laser safety office of the Institute for Physical and Theoretical Chemistry is

Christof Maul
Institute of Physical and Theoretical Chemistry
Technische Universität Braunschweig
Gaußstr. 17, room 004
38106 Braunschweig

phone: 0531/391-7382
 c.maul(at)tu-braunschweig.de

ORCID: 0000-0003-2985-0124

Laser Operation Instructions

Most lasers in use in the Institute of Physical and Theoretical Chemistry are classified as class 4 lasers according to national regulations. This means that they can be very dangerous for eyes and skin not only by direct irradiation, but also by diffusely scattered irradiation, and that they can induce fire or explosion.

Rules for experimental set-ups:

  • Avoid laser beams in eye height
  • Keep the beam path short and simple
  • Use beam dumps
  • Consider reflections. Use appropriate shields if they cannot be avoided
  • Blacken reflective surfaces
  • Do not use loose optical components in your set-up
  • Instruct all people entering your laser lab (students, guests, colleagues etc.)

Daily routine:

  • Switch on the warning lights
  • Use goggles
  • Do not wear objects with reflective surfaces (watches, jewelry, belt buckles etc.)
  • Be careful when using tools
  • If you have to bend down, turn around and close your eyes

In case of an accident immediately consult an ophthalmologist.

In case of a severe accident call for help. The emergency number is 0-112 and can be called from any phone (even in the elevator). In case of doubts or questions contact your laser safety officer. Also report there in case of an accident.

Laser Operation Instructions (PDF print version)

Medical Help

Ophthalmologists in Braunschweig

  • Municipal Eye Clinic, Salzdahlumer Str. 90
  • Opthalmologic Emergency Service (Eye Clinic Hoffmann)

Emergency Medical Service

  • phone 116117
Legal Issues

Laser sicher anwenden, Udovicic, L. und Janßen, W., 2022, Dortmund: Bundesanstalt für Arbeitsschutz und Arbeitsmedizin (in German)

Minimum health and safety requirements regarding the exposure of workers to risks arising from physical agents (artificial optical radiation) (EU Directive 2006/25/EC)

Non-binding guide to good practice for implementing EU Directive 2006/25/EC

Arbeitsschutzverordnung zu künstliche optischer Strahlung  (OStrV, in German)

Technische Regel zur OStrV (TROS Laserstrahlung, in German)

The Accident Prevention Regulation Laser Radiation (DGUV 11, formerly BGV B2) was repealed on April 1, 2023.

Photo credits on this page

Research

Research Groups
Bauerecker Group
Hohm Group 
Jacob Group
Maul Group
Proppe Group
Tschierlei Group 
Walla Group

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Muñoz Group (GRS)

Emeriti
Becker Group
Gericke Group

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Agnes Pockels lab

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Laser safety
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(G) German only

Contact

Technische Universität Braunschweig
Institute of Physical und Theoretical Chemistry

Gaußstraße 17
38106 Braunschweig
P. O. Box 3329
38023 Braunschweig
Germany
Phone +49 531 3915325

In case of emergency

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