CATEGORY
The category of the conference covers the following subjects of microoptics;

1. Theory, Modeling, and Design
Aberrations, Dispersion, Beam optics, Guided-wave optics, Gradient-index optics, Diffractive optics, Photonic band, Slow light, Near-field optics, Nonlinear optics, Thermooptics, Plasmonics, Metal optics, Quantum optics/photonics, Biomimetic optics, Metaoptics, Simulation and system design, etc.

2. Materials and Fabrication
Semiconductors, Crystals, Dielectric materials, Polymers, Liquid crystals, Nonlinear materials, Composite materials, Nano-materials, Transparent conductors, Magneto-optic materials, Spin-materials, Metamaterials, Nanocarbons, etc.　Micro- and nano-fabrication, Nano-imprint, Laser processing, Heterogeneous bonding, 3D printing, Optical manipulation, etc.

3. Measurement and Sensing
Spectroscopy, Interferometry, Reflectometry, Ultrafast measurement, 3D measurement, Quantum measurement, LiDAR, etc.

4. EO/OE and Active Devices
Lasers, LEDs, VCSELs, Array lasers, Amplifiers, Photo detectors, Terahertz devices, Optical imaging sensors, Solar cells, Energy harvesting devices, etc.

5. Passive Devices
Fibers, Waveguides, Multi/demultiplexers, Add-drop multiplexers, Branching and mixing components, Photonic crystals, Filters, Microlenses, Diffractive optical elements, Isolators, Polarizers, etc.

6. Dynamic and Functional Devices
MEMS, Switches, Modulators, Tunable devices, Wavelength converters, Nonlinear optical devices, Deflectors, Optical buffers, etc.

7. Integration, Packaging, and Si photonics
Monolithic and hybrid integration, Mounting and packaging, Micro-assembly, Wafer-level assembly, 3D integration, etc.

8. System and Design Conception
APPLICATION FIELD
The 28th MICROOPTICS CONFERENCE covers microoptics technologies in the following major topical fields;

A. Optical Communications
Photonic networks, Optical routing, Advanced multiplexing, LAN, FTTH, Wireless optical communication, etc.

B. Optical Interconnects
Chip/board/system interconnects, Active optical cable, etc.

C. Optoelectronic Equipment
Optical storages, Laser and LED printers, Smart sensors, Advanced cameras, Advanced microscopes, etc.

D. Optical Sensing and Processing
Optics for image recognition, Physical measurements, 3D measurements, Sensors and sensing systems, Security systems, Optical computing, Bio- and medical sensing, Tomography, etc.

E. Displays and Lighting
LCD, Laser/LED/EL displays, MEMS displays, 3D displays, Projection displays, μ-LED displays, Wearable displays, AR/VR-glass，head mounted displays, Flexible displays, Solid state lighting, Illuminations, Appearance design and control, etc.

F. New Applications and Emerging Technologies
Green photonics, Environmental and energy optics, Bio- and medical optics, Nano-photonics, Quantum systems, Next generation and intelligent microoptics, Car optics, Agricultural and fishery optics, Optical wireless power transmission, AI and IoT, etc.