Italiano

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

423
2024-03-12 14:16:36
Vedi traduzione

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

Raccomandazioni correlate
  • Research progress on machine learning for defect detection and prediction in laser cladding process

    It is reported that researchers from Foshan University, the Institute of Chemical Defense of the Academy of Military Sciences, the National Defense Technology Key Laboratory of Equipment Remanufacturing Technology of the Armored Forces Academy, and Chengdu State owned Jinjiang Machinery Factory have summarized and reported the latest progress of machine learning in defect detection and prediction ...

    01-17
    Vedi traduzione
  • Experimental verification of driving pressure enhancement and smoothing for hybrid driven inertial confinement fusion on a 100 kJ laser device

    The research teams from the Laser Fusion Research Center of the Chinese Academy of Engineering Physics, the Beijing Institute of Applied Physics and Computational Mathematics, Peking University, and Shenzhen University of Technology reported experimental verification of the driving pressure enhancement and smoothing of hybrid driven inertial confinement fusion on a 100 kJ laser equipment.The relev...

    2023-09-25
    Vedi traduzione
  • The Glory of Laser and the Odyssey of "Deep Technology"

    The British engineering and construction company Metz Group has a delegation in Spain to be responsible for the expansion and renovation of the central laser facility at Rutherford Appleton Laboratory near Oxford. More commonly, the construction of the powerful laser Vulcan 20-20 has just been obtained, with a delivery date of 2029.It will emit a main excitation beam that is billions of times larg...

    2023-12-09
    Vedi traduzione
  • Lidar: Entering the Golden Age of Fission Growth

    With the global transition of autonomous driving from L2 to L3+, in the battle between LiDAR and pure visual perception routes, LiDAR is redefining the industry landscape at an astonishing pace of technological evolution and quietly building a new industrial ecosystem in the era of intelligent travel. Before the end-to-end model of autonomous driving became mainstream, there were many discussion...

    03-21
    Vedi traduzione
  • Researchers from Columbia University in New York reported the latest research on reverse laser sintering of metal powders

    Researchers from Columbia University in New York reported the latest research on reverse laser sintering of metal powders. The related achievements were published in Scientific Reports under the title "Invested laser sintering of metal powder".The researchers demonstrated the ability of reverse laser sintering technology to manufacture metal powder parts. Researchers first deposit a layer of coppe...

    2024-01-29
    Vedi traduzione