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succeeding practical reality ( VR ) headsets could expend a new type of lens system inspired by holographical devices , investigator inChinasay . This proposed new type of bifocal lens can switch between one focal point and another at the picture of a switch , have wearers see intensities in the lense change akin to a hologram .
These lenses would be made from two layer of limpid crystallization body structure that can switch between two foci with external potential . The research worker described their determination in a new study print Oct. 1 in the journalOptics Letters .
Researchers developed a bifocal lens based on two layers of liquid crystal (LC) structures. The intensities for the two focal lengths can be easily adjusted by applying external voltage.
The technology could be applied in imaging devices , ocular computer science and ocular interconnectivity — in addition to future mixed - reality and VR headset , the team said .
Specifically , they can be used for polarisation tomography — often used to enhance epitome direct contrast or for edge imagining , which highlights the outline of objects or see hunky-dory item . Polarization can be referred to as thelight ’s third dimension , with polarization cameras often detecting physical property unseen by conventional imaging .
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Researchers developed a bifocal lens based on two layers of liquid crystal (LC) structures. The intensities for the two focal lengths can be easily adjusted by applying external voltage.
" We believe that the light control mechanism we created using the multilayer social structure could also be used to plan other optical devices , including holographic equipment and beam generator , or for optical image processing , " study hint authorFan Fan , professor of purgative and electronics at Hunan University , aver in astatement .
The squad focus on make bilayer structures , rather than single - bed social structure , which most liquid - crystal devices are made from . The structure were made from a fluent crystal cell as well as a melted watch glass polymer — both of which are received materials in the development of lens intend for holographic imaging uses . This allow research worker alter the intensiveness of the two focussing . The development of multi - functional holographical devices was an inspiration but the engineering could be used " beyond the field of holographic displays , " Fan said .
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Some bifocal crystalline lens can create dissimilar focal full point based on the incident light ’s polarization — but this new design enables the centering to switch on command , manipulating the polarization DoS of the output beams . The liquid lechatelierite layer also give up the lens system to switch rapidly between focus point when electric potential is apply .
The scientist are contrive to utilize the new lenses in several kinds of multifunctional devices . For the visual components found in this engineering science to be more hard-nosed , however , they accentuate the toll of the mass production of components would have to be lowered . If this happen , the squad could design and incorporate fast and accurate layer - to - bed conjunction technology , the researchers enounce in the program line .
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