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An image cytometer based on angular spatial frequency processing and its validation for rapid detection and quantification of waterborne microorganisms
Juan Miguel Pérez, Marc Jofre, Pedro Martínez +1
We introduce a new image cytometer design for detection of very small particulate and demonstrate its capability in water analysis. The device is a compact microscope composed of o…
Frequency conversion of structured light
Fabian Steinlechner, Nathaniel Hermosa, Valerio Pruneri +1
We demonstrate the coherent frequency conversion of structured light, optical beams in which the phase varies in each point of the transverse plane, from the near infrared (803nm)…
Mid-Infrared Plasmonic Biosensing with Graphene
Daniel Rodrigo, Odeta Limaj, Davide Janner +4
Infrared spectroscopy is the technique of choice for chemical identification of biomolecules through their vibrational fingerprints. However, infrared light interacts poorly with n…
Ultrafast broadband tuning of resonant optical nanostructures using phase change materials
Miquel Rudé, Vahagn Mkhitaryan, Arif E. Cetin +6
The functionalities of a wide range of optical and opto-electronic devices are based on resonance effects and active tuning of the amplitude and wavelength response is often essent…