How can we make an invisible cloak model at home using plane mirrors & on principle does it work?
Dear Student
To make the device, four lenses need to be aligned at a precise length.
The lenses then need to be paired up and separated by the sum of their focal lengths - which is the distance from the lens that an object comes into focus.
Doing this will make objects that are placed between the third and fourth lens, or specific positions between the others, invisible.
But the background behind the equipment will remain visible when viewed through other lenses.
Scaling up the sizes of the lenses can then also increase the size of the cloaking effect.
Their simple configuration improves on other cloaking devices, but it's not perfect.
'This cloak bends light and sends it through the center of the device, so the on-axis region cannot be blocked or cloaked,' said Choi.
REGARDS
To make the device, four lenses need to be aligned at a precise length.
The lenses then need to be paired up and separated by the sum of their focal lengths - which is the distance from the lens that an object comes into focus.
Doing this will make objects that are placed between the third and fourth lens, or specific positions between the others, invisible.
But the background behind the equipment will remain visible when viewed through other lenses.
Scaling up the sizes of the lenses can then also increase the size of the cloaking effect.
Their simple configuration improves on other cloaking devices, but it's not perfect.
'This cloak bends light and sends it through the center of the device, so the on-axis region cannot be blocked or cloaked,' said Choi.
REGARDS
