English

A New Method for Controlling Light Polarization Using Liquid Crystal to Create Holograms

1025
2024-03-12 14:16:36
See translation

Researchers have made significant breakthroughs in controlling optical polarization, which is a key characteristic of various applications such as augmented reality, data storage, and encryption.

This new method was developed by a group of scientists using liquid crystals to create holograms, which can manipulate the polarization of light at different points. This represents a significant advancement in existing methods. The work was published in eLight magazine.

Traditional vector holography methods involve manipulating the polarization and intensity of light, typically relying on metasurfaces - aimed at controlling the structure of light waves. However, these metasurfaces are static and lack the flexibility required for dynamic photon applications.
This new method overcomes this limitation by using single-layer liquid chromatography, which is known for its ability to change its characteristics under an electric field, making it an ideal choice for dynamic control. Researchers have developed a new encoding method that allows LC to display multifunctional and adjustable vector holography, where polarization and amplitude can be independently controlled at different positions.

This innovation has the potential to completely change various fields. For example, it can obtain a more secure encryption method by creating complex dynamic holograms that are difficult to replicate. In addition, it can pave the way for higher resolution displays and even active holographic video projection.

The research team is optimistic about the impact of their work on the real world. They believe that this new method, which does not require complex manufacturing processes, can be easily integrated into existing technologies, opening up exciting possibilities for the future of displays, information encryption, and metasurface applications.

This is a significant development in the field of optics, and its potential applications are enormous. The work of researchers highlights the power of combining advanced materials with innovative design technologies to achieve far-reaching breakthroughs.

Source: Laser Net

Related Recommendations
  • Precision laser manufacturer Preco appoints Jacob Brunsberg as CEO

    Recently, Preco, a leading enterprise in precision laser material processing and laser equipment manufacturing solutions, officially announced a major personnel appointment: Jacob Brunsberg, an outstanding senior manufacturing and technology management expert, has been appointed as its CEO. Mr. Brunsberg is a renowned senior manager in the field of advanced manufacturing and technology, with man...

    2024-09-23
    See translation
  • BMW uses WAAM 3D printing to optimize derivative designs

    BMW explained how to use WAAM (Arc Additive Manufacturing) starting from 2025 to manufacture lighter and stronger automotive components and reduce waste generation, in order to optimize the use of generative design tools.The demonstrated WAAM process uses aluminum wire raw materials directly deposited through laser welding heads, enabling automotive companies to manufacture lighter and more robust...

    2024-04-13
    See translation
  • Ultra fast laser nova PulseX Laser completes over 10 million yuan of financing

    PulseX Laser, a rising star in the field of ultrafast lasers, has recently completed a financing of over 10 million yuan, with this round of financing exclusively invested by Changlei Capital.As a representative of the forefront of technology today, ultrafast lasers play an important role in many industries. In the field of material processing, ultrafast lasers, with their ultra short pulse width ...

    2024-07-09
    See translation
  • NKT Photonics utilizes fiber lasers to achieve deep space communication links

    On July 7, the European Space Agency (ESA), established Europe’s first deep-space optical communication link with NASA’s Psyche mission using a high-power fiber laser system supplied by NKT Photonics, a subsidiary of Hamamatsu.NKT’s announcement stated, “This achievement, conducted with NASA/JPL’s Deep Space Optical Communications (DSOC) demonstrator, marks a significant leap forward in high-data-...

    07-21
    See translation
  • Van's updates the manufacturer of laser-cut parts

    Van's Aircraft has responded to reports of ruptured dented parts found in AirVenture's latest kit. These defects are caused by external suppliers changing the process of laser cutting parts. From February 2022 to June 2023, Van's moved some parts from traditional punch manufacturing to an outside supplier that can laser cut rivet holes. The move is designed to increase the company's throughput and...

    2023-08-04
    See translation