Deep seated negative axicon in selective optical fiber tip and collimated Bessel beam
In this letter, we have demonstrated the fabrication of a deep seated negative axicon (DSNA)
with micrometer dimensions inside a selective optical fiber tip for the generation of optical …
with micrometer dimensions inside a selective optical fiber tip for the generation of optical …
Trapping of rare earth-doped nanorods using quasi Bessel beam optical fiber tweezers
We demonstrate optical trapping of rare earth-doped NaYF4: Er/Yb nanorods of high aspect
ratio (length 1.47 μ m and diameter 140 nm) using a quasi Bessel beam (QBB) generated by …
ratio (length 1.47 μ m and diameter 140 nm) using a quasi Bessel beam (QBB) generated by …
Optical fiber nano-tip and 3D bottle beam as non-plasmonic optical tweezers
We report a simple fiber nano-tip as non-plasmonic optical tweezer, which can manipulate
submicron particles in a non-contact manner. The efficiency of an optical tweezer can be …
submicron particles in a non-contact manner. The efficiency of an optical tweezer can be …
Excitation of whispering gallery modes with a “point-and-play,” fiber-based, optical nano-antenna
We demonstrate the excitation and detection of whispering gallery modes in optical
microresonators using a “point-and-play,” fiber-based, optical nano-antenna. The coupling …
microresonators using a “point-and-play,” fiber-based, optical nano-antenna. The coupling …
Fabrication of tapered tip fibers with a controllable cone angle using dynamical etching
Recently, optical fiber tips have been used in many scientific applications requiring a special
tip with a predetermined cone angle. In this study, we have developed a new type of …
tip with a predetermined cone angle. In this study, we have developed a new type of …
Single and multiple microparticle trapping using non-Gaussian beams from optical fiber nanoantennas
JB Decombe, SK Mondal, D Kumbhakar… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
Optical trapping of dielectric microparticles is reported using an optical tweezers based on
two original chemically etched fiber nanoantenna. The nanoantenna converts Gaussian …
two original chemically etched fiber nanoantenna. The nanoantenna converts Gaussian …
Packaged whispering gallery resonator device based on an optical nanoantenna coupler
In this work, we present a packaged whispering gallery mode (WGM) device based on an
optical nanoantenna as the coupler and a glass microsphere as the resonator. The …
optical nanoantenna as the coupler and a glass microsphere as the resonator. The …
Reflective axicon based energy-efficient extended depth of focus quasi-Bessel beam probe for common-path optical coherence tomography
This work presents an optical fiber negative/reflective axicon probe that generates an energy-
efficient quasi-Bessel beam (QBB) having a central spot (CS) possessing∼ 20% of the QBB …
efficient quasi-Bessel beam (QBB) having a central spot (CS) possessing∼ 20% of the QBB …
Excitation of whispering gallery modes of a microresonator integrated in an optical fiber axicon
We report novel designs to excite Whispering Gallery Mode (WGM) of spherical
microresonator in an integrated single mode optical fiber tip probe, namely, Deep Seated …
microresonator in an integrated single mode optical fiber tip probe, namely, Deep Seated …
Optical fiber antenna generating spiral beam shapes
S Sarkar Pal, SK Mondal, D Kumbhakar… - Applied Physics …, 2014 - pubs.aip.org
A simple method is proposed here to generate vortex beam and spiral intensity patterns from
a Gaussian source. It uses a special type of optical fiber antenna of aperture∼ 80 nm having …
a Gaussian source. It uses a special type of optical fiber antenna of aperture∼ 80 nm having …