繁体中文

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

526
2024-03-12 14:16:36
查看翻譯

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

相關推薦
  • 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
    查看翻譯
  • The breakthrough of coherent two-photon lidar overcomes distance limitations

    Schematic diagram of experimental setupNew research has revealed advances in light detection and ranging technology, providing unparalleled sensitivity and accuracy in measuring the distance of distant objects.This study was published in the Physical Review Letters and was the result of a collaboration between Professor Yoon Ho Kim's team at POSTECH in South Korea and the Center for Quantum Scienc...

    2023-12-08
    查看翻譯
  • 330 million US dollars! This laser ophthalmic treatment developer has been acquired

    Recently, according to a report submitted by BioLight to the Tel Aviv Stock Exchange, Swiss American pharmaceutical and medical device giant Alcon Pharmaceuticals is acquiring Israeli medical technology company Belkin Vision.It is reported that BioLight will sell its 4% stake in Belkin Vision, which may be worth up to $330 million based on the milestones established in the transaction.Belkin Visio...

    2024-05-06
    查看翻譯
  • The United States is expected to use "AI+lasers" to deal with space debris in the future

    Due to the increasing threat of space debris in low Earth orbit around the Earth, space agencies around the world are becoming increasingly concerned about this. According to a new study funded by the National Aeronautics and Space Administration (NASA), it may be possible to send space debris that may be at risk of colliding with orbiting spacecraft to safer orbits through a laser network deploye...

    2023-10-20
    查看翻譯
  • Photonic time crystals triggered by laser pulses may open the door to a new branch of optics

    When scientists discovered that laser pulses can rapidly cause refractive index changes in the medium, resulting in "photonic time crystals (PTC)" in the near-visible light band, the door to a disruptive new application in optics seemed to quietly open.Scientists have a certain degree of understanding of photonic crystals and time crystals, the two have almost nothing in common, the basic common p...

    2023-09-07
    查看翻譯