Title

Spatially Resolved Measurement Of Femtosecond Laser Induced Refractive Index Changes In Transparent Materials

Abstract

We present a practical method to determine femtosecond laser induced refractive index changes in transparent materials. Based on an iterative Fourier transform algorithm, this technique spatially resolves the refractive index of complex structures by combining the dimensions of the modified region with the corresponding phase change extracted from far-field intensity measurements. This approach is used to characterize optical waveguides written by a femtosecond laser in borosilicate glass. © 2012 Optical Society of America.

Publication Date

7-15-2012

Publication Title

Optics Letters

Volume

37

Issue

14

Number of Pages

3003-3005

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.37.003003

Socpus ID

84864354749 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84864354749

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