Many thermal imaging devices with night vision capabilities can help police, search and rescue personnel and soldiers to see the surrounding environment in complete darkness, and bring great convenience for operations, rescue and arrest operations, but at present, it is even best. Night vision equipment also requires cryogenic cooling, while the equipment is bulky and expensive, and technological progress is slow. Recently, researchers from MIT have developed a brand new graphene semiconductor material that is 100 times harder than steel. Applying this material to a thermal imaging device can solve the problems mentioned above.
In addition, infrared sensors derived from this new type of graphene material can minimize the volume and may even be integrated into smartphones and laptops in the future.
Graphene is one of the most common infrared sensing materials, so MIT's research team uses this material to make sensor chips. Graphene is used to carry signals and cool in a fixed space, and to get rid of the need to rely on the limitations of external cooling, and these devices can be used to directly dissipate heat to improve the efficiency of the use of equipment.
This compact sensor can detect the shape of many objects, including the shape of the human hand shown in the figure above. The purpose of the current research needs to further improve the resolution of imaging, and it can be applied to everyday devices in the future. One day, this material can be applied to the front windshield of a car in addition to a smart phone, which can provide the driver with better visibility and range at night. However, the actual application of this graphene material needs to wait for a long time.
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