Dear Colleagues,

Since its beginning in 1986, optical tweezers has become a standard tool in physics, chemistry or biology. For most people working with optical tweezers, it is no longer a research topic but just a convenient and effective tool for contactless trapping or the manipulation of micro and nano-sized objects. A great variety of commercial tweezers devices are nowadays available. However, optical trapping is still a very busy research domain. In this context, complementary approaches to the original beam-focusing tweezers, such as plasmonic tweezers, optical fiber tweezers or waveguide tweezers were developed and successfully applied.

This Special Issue of Nanomaterials will focus on the development and application of nano-optical tweezers, including tweezers working in the optical near-field, plasmonic tweezers, devices based on nano-structured optics such as optical fiber tips or waveguides, or more generally tweezers specifically developed for nanoparticle trapping. Theoretical and experimental contributions are welcome, including full papers, communications, and reviews to obtain a complete snapshot of the ongoing research activity.

Dr. Jochen Fick
Guest Editor

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• optical trapping
• optical tweezers
• nano-manipulation
• nanoparticles
• nano-structuration
• optical fibers
• plasmonics
• waveguides