Solar Powered And Eco Friendly Quantum Sensors - A First Step Toward Sustainable Quantum Technology
The development of solar powered and eco friendly quantum sensors has the potential to free quantum sensors from that constraint. The results, which describe a prototype that is both technologically advanced and good for the environment, will be written up in a future issue of Physical Review X Energy.
Author:Suleman ShahReviewer:Han JuOct 03, 202220.2K Shares546.5K Views Forget about using power-guzzling lasers to monitor magnetic fields; a new take on ultra-sensitive sensors uses just natural light to do the job. Powering a laser may be similar to keeping a bright lightbulb on for a whole hour.
The development of solar powered and eco friendly quantum sensorshas the potential to free quantum sensors from that constraint. The results, which describe a prototype that is both technologically advanced and good for the environment, will be written up in a future issue of Physical Review X Energy. For the purpose of measuring magnetic fields, quantum magnetometers typically use a powerful green laser. The atomic flaws in the diamond are illuminated by the laser beam.
Substitution of nitrogen atoms for the carbon atoms that make up pure diamonds is what causes defects. When exposed to a green laser, nitrogen defects glow, giving forth red light whose brightness varies with the strength of the magnetic fields around them.
Additionally, green light is required by the novel quantum sensor. The green light reflected from grass and plants shows that the sun provides enough of this. Du and his colleagues swapped out the laser for a lens 15 cm in diameter to capture enough sunlight to power their magnetometer.
To isolate the nitrogen atom flaws in the diamond, they filtered out all colors save green and concentrated the light on the resulting defect. What comes out is a red glow that, like magnetometers with lasers, may disclose the intensity of magnetic fields.
Collecting light and converting it into electricity using solar cells is an inefficient operation since it involves changing one kind of energy into another. The researchers say their method is three times more efficient than using solar cells to power lasers since it does not require converting sunlight to energy. Yen-Hung Lin is a physicist at the University of Oxford.
“„“I’ve never seen any other reports that connect solar research to quantum technologies. It might well ignite a spark of interest in this unexplored direction, and we could see more interdisciplinary research in the field of energy.- Yen-Hung Lin
Researchers believe that their solar-powered method might be applied to other quantum devices that detect subtle changes in conditions such as electric fields or pressure. In particular, quantum technologyin outer space may be able to exploit the bright sunlight accessible outside of Earth's atmosphere to create light optimized for quantum sensors. Solar cells that power electronics to analyze the quantum signals might be used to collect the remaining light, which is at wavelengths the quantum sensors don't utilize.
“„In the current state, this device is primarily for developmental purposes. We expect that the devices will be used for practical purposes. But there [is] lots of work to be done.- Du