Direct laser writing regimes for bulk inscription of polarization-based spectral microfilters and fabrication of microfluidic bio/chemosensor in bulk fused silica
S. I. Kudryashov, П. А. Данилов, Alexey Rupasov, M. P. Smayev, Nikita Smirnov, Vladimir V. Kesaev, Andrey N. Putilin, M. S. Kovalev, Roman Zakoldaev, С. А. Гончуков
Abstract
Abstract Laser inscription of form-birefringent nanograting layers inside fused silica by ultrashort (femto-picosecond) laser pulses at 515 nm was studied as a function of laser, average power and pulsewidth in terms of fabrication regimes. Retardance magnitudes were acquired for single birefringent layers inscribed at different laser parameters, enabling fabrication of polarization-based spectral micro-filters in the form of few-layer microdevices and of microfluidic multi-color refractive-index chemo/biosensor.
Topics & Concepts
Materials scienceFabricationLaserBirefringenceOpticsMicrofluidicsRefractive indexOptoelectronicsPolarization (electrochemistry)PicosecondNanotechnologyPhysicsPathologyChemistryMedicinePhysical chemistryAlternative medicineLaser Material Processing TechniquesPhotonic and Optical DevicesNonlinear Optical Materials Studies