Guo-Dung J. Su
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View article: Angular-resolution-improved light field display architecture using polarization dependent deflection metasurface and polarization switching
Angular-resolution-improved light field display architecture using polarization dependent deflection metasurface and polarization switching Open
High-resolution and accurate view projection are essential for the performance and user experience of advanced autostereoscopic displays. This study presents an angular-resolution-doubled, time-multiplexing autostereoscopic light-field dis…
View article: Design and Fabrication of Metasurfaces-Based Polarizing Beam Splitter with Tailored Deflection Angles for 940-nm Wavelength
Design and Fabrication of Metasurfaces-Based Polarizing Beam Splitter with Tailored Deflection Angles for 940-nm Wavelength Open
Polarizing beam splitters (PBSs) are fundamental components of optical systems and are crucial for sensing, communication, and imaging tasks. Traditional PBS devices, assembled using right-angle prisms with dielectric coatings, face challe…
View article: Stacking architecture for collimated backlight using cylindrical lens sheet with linear light sources or edge-lit/direct-lit BLU
Stacking architecture for collimated backlight using cylindrical lens sheet with linear light sources or edge-lit/direct-lit BLU Open
Highly collimated and directional backlights are essential for realizing advanced display technologies such as autostereoscopic 3D displays. Previously reported collimated backlights, either edge-lit or direct-lit, in general still suffer …
View article: Augmented reality system based on the integration of polarization-independent metalens and micro-LEDs
Augmented reality system based on the integration of polarization-independent metalens and micro-LEDs Open
Augmented reality (AR), a technology that superimposes virtual information onto a user's direct view of real-world scenes, is considered one of the next-generation display technologies and has been attracting considerable attention. Here, …
View article: The Design and Fabrication of Large-Area Under-Screen Fingerprint Sensors with Optimized Aperture and Microlens Structures
The Design and Fabrication of Large-Area Under-Screen Fingerprint Sensors with Optimized Aperture and Microlens Structures Open
In this paper, we designed and fabricated an optical filter structure applied to the FoD (Fingerprint on Display) technology of the smartphone, which contains the microlens array, black matrix, and photodetector to recognize the fingerprin…
View article: Red-Green-Blue Mini-LEDs Lighting Design with High Uniformity under Thin Form Factor
Red-Green-Blue Mini-LEDs Lighting Design with High Uniformity under Thin Form Factor Open
We present a design of a non-imaging system based on a ray-tracing methodology. This system is mainly made of polycarbonate, while part of its surface is coated with metal. The Zemax® optical simulation tool was used to calculate the optim…
View article: Design and Realization of Wide Field-of-View 3D MEMS LiDAR
Design and Realization of Wide Field-of-View 3D MEMS LiDAR Open
Light detection and ranging (LiDAR) sensors are promising for automated transportation to detect the surrounding environment. However, most LiDAR solutions are complex and bulky. By designing a MEMS-mirror-based LiDAR, we can improve the v…
View article: Time-Effective Simulation Methodology for Broadband Achromatic Metalens Using Deep Neural Networks
Time-Effective Simulation Methodology for Broadband Achromatic Metalens Using Deep Neural Networks Open
Metasurface has demonstrated potential and novel optical properties in previous research. The prevailing method of designing a macroscale metasurface is based on the local periodic approximation. Such a method relies on the pre-calculated …
View article: Ultrawide-angle and high-efficiency metalens in hexagonal arrangement
Ultrawide-angle and high-efficiency metalens in hexagonal arrangement Open
View article: Electrically modulated varifocal metalens combined with twisted nematic liquid crystals
Electrically modulated varifocal metalens combined with twisted nematic liquid crystals Open
Focus-tunable lenses are indispensable to optical systems. This paper proposes an electrically modulated varifocal metalens combined with twisted nematic liquid crystals. In our design, a metalens is employed to focus on different points d…
View article: Three-stage full-wave simulation architecture for in-depth analysis of microspheres in microscopy
Three-stage full-wave simulation architecture for in-depth analysis of microspheres in microscopy Open
Over a decade, considerable development has been achieved in microsphere microscopy; the popularity of this method is attributable to its compatibility with biomedical applications. Although microscopy has been used extensively, insufficie…
View article: Performance analysis of GaN-based micro light-emitting diodes by laser lift-off process
Performance analysis of GaN-based micro light-emitting diodes by laser lift-off process Open
View article: One-lens camera using a biologically based artificial compound eye with multiple focal lengths
One-lens camera using a biologically based artificial compound eye with multiple focal lengths Open
This work presents the fabrication of a one-lens camera using a biologically inspired artificial compound eye with multiple focal lengths. Traditional camera designs that consist of many separated lenses are difficult to assemble due to ti…
View article: <strong>Fast fabrication of smooth aspherical lenses using sessile bubble in polydimethylsiloxane mold</strong>
<strong>Fast fabrication of smooth aspherical lenses using sessile bubble in polydimethylsiloxane mold</strong> Open
The forming process of the lens is conducted in an automated CNC (Computer numerical control) machining process for designed aspherical lenses [1]. Even though the aspherical lens surface, such as freeform, can be manufactured by CNC metho…
View article: Ionic polymer metal composite for an optical zoom in a compact camera
Ionic polymer metal composite for an optical zoom in a compact camera Open
The reflective method is utilized in the optical zoom function of a thin camera for the advantage of folding the optical path. An ionic polymer metal composite deformable mirror used in a reflective zoom system achieves large deformations …