We can solve your problem, ask us!

Our expertise lies - among others - in the following areas:

  • atomic and molecular physics
  • quantum optics
  • quantum information
  • environmental sensing
  • laser spectroscopy
  • laser physics and applications
  • numerical simulations in various fields


  • various spectroscopic techniques (absorption, LIF, quantum beat spectroscopy, photo/field-ionization)
  • laser development (development of external cavity diode lasers with extended mode-hop free tuning, various injection seeded 532 nm Nd:YAG pumped Ti:Sapphire lasers, novel intra-cavity second harmonic generation for type-II crystals, intra-cavity pulse modulation for linewidth narrowing of an Alexandrite laser, dual-wavelength injection seeding of a flashlamp pumped Ti:Sapphire, narrow linewidth fiber amplifier, optical parametric oscillator)
  • design, setup, and maintenance of HV and UHV chambers
  • design and setup of high temperature supersonic nozzles
  • design and setup of high-efficiency detectors for atoms
  • design and setup of electron/ion lenses
  • environmental sensing based on lasers
  • installation/programming of data acquisition systems (IEEE, DAC, FPGA based, Frame Grabber)
  • Monte-Carlo simulations, numerical methods


Special equipment of our group includes

  • various fiber amplifiers including fiber-coupled pump lasers
  • cw Ti:Sapphire lasers
  • injection seeded, pulsed Ti:Sapphire lasers with ns-pulse duration and Fourier transform limited linewidth (spectral coverage via non-linear frequency conversion 200 nm - 6000 nm)
  • injection seeded flashlamp pumpd Nd:YAG laser
  • external cavity diode lasers
  • DPSS laser
  • HeNe laser
  • UV enhanced EM-CCD camera
  • fast iCCD camera
  • various instruments for measurement and characterization of light (optical spectrum analyzer, digital oscilloscopes, power and energy meters, wavelength meter, Fabry-Perot interferometers, photon counters, boxcar integrators, etc.)

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Prof. Dr. Thomas Walther

Laser und Quantenoptik
Institut für Angewandte Physik
Fachbereich 05 - Physik
Technische Universität Darmstadt
Schlossgartenstr. 7
D-64289 Darmstadt

+49 6151 16-20831 (Sekretariat)

+49 6151 16-20834 (Fax)




Optics in our Time

Open Access Buch über den aktuellen Stand der Optik in Grundlagenforschung und Anwendungen

Im Springer Verlag ist zur Feier des "Jahr des Lichts 2015" ein Open Access Buch... weiter......
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