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- Title
Optical waveguide writing inside Foturan glass with femtosecond laser pulses.
- Authors
An, R.; Li, Y.; Liu, D.; Dou, Y.; Qi, F.; Yang, H.; Gong, Q.
- Abstract
We investigated the femtosecond laser writing of optical waveguides inside Foturan glass at various pulse energies and focusing depths. An optimal waveguide fabricated solely by femtosecond laser irradiation showed a refractive index modulation of ∼1.7×10-3 and a minimum transmission loss of ∼0.80 dB/cm. This type of waveguide had lower transmission loss than those fabricated by a hybrid process of femtosecond laser exposure and following thermal treatment. An optical splitter was also fabricated at high pulse energy.
- Subjects
OPTICAL waveguides; LASER photochemistry; PLASMA waveguides; IRRADIATION; REFRACTIVE index; PHOTOSENSITIVE glass; BEAM splitters
- Publication
Applied Physics A: Materials Science & Processing, 2007, Vol 86, Issue 2, p343
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s00339-006-3773-z