Photosensitised PDMS for femtosecond laser writing
作者： Jean-Sebastien Boisvert , Antsar Hlil , Iden Hassan , Jyothis Thomas , Pierre Lorre
DOI: 10.1364/OSAC.386533
关键词: Diffraction grating 、 Raman spectroscopy 、 Laser 、 Fiber Bragg grating 、 Photonics 、 Femtosecond 、 Refractive index 、 Multimode waveguides 、 Optoelectronics 、 Materials science
摘要: This work demonstrates a new photosensitive glassy material in the form of poly-di-methyl-siloxane (PDMS) loaded with novel Ge-derivatives. A femtosecond laser is used to write directly into bulk pristine and Ge-modified PDMS. Raman spectroscopy study origin stable refractive index (RI) change induced by fs exposure. Multimode waveguides, as well highly tunable diffraction gratings, were written material, Ge-PDMS, order demonstrate inclusion photonics structures embedded inside. Novel functionality may now be incorporated PDMS, which widely optics industry for lab-on-chip application (LOC).
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