chanelink logo
CHANELINK
Tiếng Việt

This innovation will significantly improve the sensitivity of gravitational wave detectors

406
2024-04-17 16:23:40
Xem bản dịch

In 2017, the detection of gravitational waves generated by the merger of binary neutron stars marked a significant breakthrough in physics. These waves reveal important information about the universe, from the origin of short gamma ray bursts to the formation of heavy elements.

However, capturing gravitational waves from the merged residue remains a challenge as these waves avoid the detection range of the current detector. However, they can illuminate the internal structure of neutron stars.

The solution may lie in amplifying signals through optical springs and simulating spring behavior using the radiation pressure of light. The Tokyo Institute of Technology's Japan research group, led by associate professors Kentaro Somiya and Dr. Sotatsu Otabe, has proposed an innovation: Kerr effect enhanced optical springs.

In order to make the system more sensitive without requiring more energy, researchers used special techniques in optical equipment. They introduced a material called Kerr medium. This material has a unique characteristic of changing the refractive index of light.

Due to this feature, the device can act as a harder optical spring, thereby enhancing its ability to respond to very subtle changes (such as those caused by gravitational waves) without consuming more energy. Tests have shown that this method increases the hardness of lightweight springs by 1.6 times, enabling the device to detect changes at higher frequencies (from 53 Hz to 67 Hz).

This progress paves the way for the next generation of gravitational wave detectors, which can detect elusive waves to date and provide us with an additional key to understanding the composition of the universe. The proposed design is easy to implement and introduces adjustable parameters into the optomechanical system.

Source: Laser Net

Đề xuất liên quan

  • Advanced optical giant Schott announces completion of Malaysia factory

    Recently, German optical giant SCHOTT is pleased to announce that its advanced production plant located in Gulim, Kedah, Malaysia has been successfully completed. This milestone event was celebrated with the joint witness of employees, clients, and representatives from the Malaysian Investment Development Authority (MIDA).The completion of the new factory marks a significant increase in Schott's...

    2024-10-16
    Xem bản dịch

  • Xi'an Institute of Optics and Fine Mechanics has made significant progress in attosecond imaging research

    Recently, the Xi'an Institute of Optics and Fine Mechanics of the Chinese Academy of Sciences has made significant progress in attosecond imaging research, achieving high-resolution imaging of ultra wide spectrum light sources. The related results were published in the journal Photonics Research under the title "Snapshot coherent diffraction imaging across ultra wideband spectra".Figure 1. Demonst...

    2024-10-26
    Xem bản dịch

  • Atomstack Maker A5 V2: A laser engraving machine suitable for beginners

    In the recent DIY field, innovative and increasingly affordable laser engraving machines have emerged, mainly designed for first-time users in this field. A particularly noteworthy example in this regard is the Atomstack Maker A5 V2 model. This device is known for its versatility and ease of use, making it an ideal choice for beginners in the world of laser engraving.The Atomstack Maker A5 V2 is a...

    2024-01-03
    Xem bản dịch

  • BluGlass received its first order α GaN DFB laser

    Global semiconductor developer BluGlass Limited has received its first α Purchase order for gallium nitride distributed feedback laser.This client is a pioneer in photon and fiber laser technology and will use BluGlass's blue prototype DFB laser to develop cutting-edge defense, aviation, and scientific applications.Quantum sensing, navigation, and computing applications are driving a huge de...

    2024-01-10
    Xem bản dịch

  • Application and Effect of Laser Cleaning

    Mold cleaning: Mold plays a very important role in industrial production. Currently, there are over a thousand mold related enterprises in China, driving the related output value to nearly 10 billion yuan. Among them, mold cleaning is an essential step in mold production. Laser can achieve contactless cleaning of molds, which is very safe for the surface of the mold, ensuring its accuracy, and can...

    2023-10-14
    Xem bản dịch