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Misco Dzamba
Second Place
2005 OAPT 4U Photo Contest
Polarization and LCD displays
The photographs included along with my submission are different perspectives of given subjects. The subjects in my photographs, were chosen to be Apple’s and a LCD computer display. My reasons for this choice are that I believe the apple represents many physics related characteristics. In these pictures the apple displays gravitational potential, it represents the geometric (stellar) shape of a sphere, it represents the colour red (approx wave length 650 nm) and it was a coincidental factor in Isaac Newton’s life, which in turn has affected our understanding of physics and our way of life.
The inner workings of the LCD monitor reveal LCD crystals sandwiched between two perpendicular Polarized planes. When current is passed through the LCD crystals, each crystal slightly changes its orientation and the group of crystals ‘twists’ the original light 90 degrees, allowing it to pass through the secondary Polarized plane.
In the first photograph the LCD display is clearly visible showing a JPEG of red Apples.
In the second photograph the LCD display is not visible, this is because a Polarized lens was placed in front of the camera at given angle which is perpendicular to the secondary Polarized plane angle.