偏振作为光的基本特性之一, 其产生, 调控和探测被广泛应用于通信, 成像, 光学加密等领域.
然而传统的偏振器件存在体积大, 集成度低等问题. 亚波长尺度的超表面由于其独特的光场调控 …

Focusing light into a small spot is vital in many research and industrial fields. In principle, the
diffraction nature of light restricts the achievable size of a focal spot referred to as the …

Adaptive optics normally concerns the feedback correction of phase aberrations. Such
correction has been of benefit in various optical systems, with applications ranging in scale …

Structured optical fields, such as cylindrical vector (CV) and orbital angular momentum
(OAM) modes, have attracted considerable attention due to their polarization singularities …

The effect of twisting phases on the polarization dynamics of a vector vortex beam with a
spatially variant state of polarization (SoP) is investigated theoretically and experimentally …

We have proposed and demonstrated a cylindrical vector mode (CVMs) based Mach–
Zehnder interferometer (MZI) in a vortex fiber (VF) for strain sensing. The VF has a coaxial …

In this paper, we purpose to use laser-induced microplasma occurred from a pyrographite
target by laser ablation for microstruturing of fused silica plate to fabricate phase optical …

Fluorescence emission difference microscopy (FED) obtains resolution-enhanced images
by subtracting acquired solid and doughnut confocal images. Because of the mismatch of …

We report on a thin-disk multipass amplifier delivering azimuthally polarized, 7.8 ps short,
laser pulses at an average power and with pulse energies of up to 1.7 kW and 5.8 mJ …

A method for high-resolution imaging that we call virtual fluorescence emission difference
microscopy (vFED) is presented. In vFED the analyzed samples are scanned only by a …