Measurement of fs laser-induced refractive index changes using an integrated optical interferometer

Matthias Will; Jonas Burghoff; Stefan Nolte; Andreas Tunnermann

doi:10.1117/12.479848

19 June 2003 Measurement of fs laser-induced refractive index changes using an integrated optical interferometer

Matthias Will, Jonas Burghoff, Stefan Nolte, Andreas Tunnermann

Proceedings Volume 4978, Commercial and Biomedical Applications of Ultrafast Lasers III; (2003) https://doi.org/10.1117/12.479848
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

The measurement of femtosecond pulse laser induced refractive index changes inside transparent solids is challenging since only small phase differences of buried structures on a micrometer scale have to be resolved. Here we report on a new technique that allows to precisely determine the laser-induced refractive index changes in situ. It is based on the modification of an integrated optical Mach-Zehnder interferometer.

Citation Download Citation

Matthias Will, Jonas Burghoff, Stefan Nolte, and Andreas Tunnermann "Measurement of fs laser-induced refractive index changes using an integrated optical interferometer", Proc. SPIE 4978, Commercial and Biomedical Applications of Ultrafast Lasers III, (19 June 2003); https://doi.org/10.1117/12.479848

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