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Dive into the research topics where Theodor W. Hänsch is active.

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Featured researches published by Theodor W. Hänsch.


Advances in Imaging (2009), paper FMB2 | 2009

Frequency Comb Fourier Transform Spectroscopy with kHz Optical Resolution

Patrick Jacquet; Julien Mandon; Birgitta Bernhardt; Ronald Holzwarth; Guy Guelachvili; Theodor W. Hänsch; Nathalie Picqué

Michelson-less Fourier spectra, comprising 500,000,000 spectral elements spanning 1 nm with 2.3 kHz (7.7 10^-8 cm^-1) resolution, are recorded within 6s. Moving mirror of equivalent interferometers should cover 130 km at 78,000 km/hour velocity.


Lasers, Sources and Related Photonic Devices (2010), paper AWC6 | 2010

Femtosecond High Repetition Rate External Cavity beyond the Average Power Limit for Linear Enhancement

Ioachim Pupeza; Tino Eidam; Oleg Pronin; Jens Rauschenberger; Birgitta Bernhardt; A. Ozawa; Thomas Udem; Ronald Holzwarth; Jens Limpert; Alexander Apolonski; Theodor W. Hänsch; Andreas Tünnermann; F. Krausz

We report on the cavity enhancement of a 78MHz, 200fs ytterbium-fiber laser system. Linear enhancement up to a record intra-cavity power of 18kW has been observed. In a non-linear enhancement regime 40kW have been reached.


Archive | 2000

Generation of stabilized, ultra-short light pulses and the use thereof for synthesizing optical frequencies

Ronald Holzwarth; J. Reichert; Thomas Udem; Theodor W. Hänsch


Nature Physics | 2007

Test of relativistic time dilation with fast optical atomic clocks at different velocities

S. Reinhardt; Guido Saathoff; Henrik Buhr; Lars A. Carlson; A. Wolf; D. Schwalm; S. Karpuk; C. Novotny; G. Huber; Marcus Zimmermann; Ronald Holzwarth; Thomas Udem; Theodor W. Hänsch; G. Gwinner


Archive | 2005

Method and radiation source for generating pulsed coherent radiation

Christoph Gohle; Theodor W. Hänsch; Ronald Holzwarth; Thomas Udem


Archive | 2000

Method and device for generating radiation with stabilized frequency

Ronald Holzwarth; Theodor W. Hänsch


Archive | 2001

Method and device for producing stabilised ultrashort laser light pulses

Ronald Holzwarth; Thomas Udem; Theodor W. Hänsch


Archive | 2009

Interferometer with frequency combs and posteriori correction scheme

Guy Guelachvili; Theodor W. Hänsch; Nathalie Picqué


Archive | 2009

Cavityenhanced dualcomb spectroscopy

Birgitta Bernhardt; A. Ozawa; Patrick Jacquet; Marion Jacquey; Yohei Kobayashi; Thomas Udem; Ronald Holzwarth; Guy Guelachvili; Theodor W. Hänsch


High-Brightness Sources and Light-driven Interactions | 2018

Mid-infrared Dual-Comb Spectroscopy at High Signal-to-Noise Ratio around 3 µm

Zaijun Chen; Theodor W. Hänsch; Nathalie Picqué

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