Spatio-temporally focused femtosecond laser pulses for nonreciprocal writing in optically transparent materials

Simultaneous spatial and temporal focusing (SSTF) provides precise control of the pulse front tilt (PFT) necessary to achieve nonreciprocal writing in glass wherein the material modification depends on the sample scanning direction with respect to the PFT. The PFT may be adjusted over several orders of magnitude. Using SSTF nonreciprocal writing is observed for a large range of axial focal positions within the sample, and nonreciprocal ablation patterns on the surface of the sample are revealed. Further, the lower numerical aperture (0.03 NA) utilized with SSTF increases the rate of writing.


Published in:
Optics Express, 18, 24, 24673-24678
Year:
2010
Publisher:
Optical Society of America
ISSN:
1094-4087
Laboratories:




 Record created 2015-07-20, last modified 2018-03-17


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