Peter Letendre, Ashley Cummings Joe Pow Research Outline 28 July 2017 Outline Purpose Create a new method of detecting skin cancer in a non-invasive manner with polarized light Background Polarization of light is the orientation of light in its movement The CCD we are using measures linear polarization at 0, 45, 90 and 135 degrees Healthy skin is birefringent, Cancerous skin is not birefringent Birefringence is when light hits a surface and the light splits into a parallel and perpendicular planes that have different indexes of refraction Healthy skin reflects elliptical polarized light, cancerous skin reflects circularly polarized light when hit with circularly polarized light Methods Materials: CCD camera (12 bit), polarizer, quarter-wave plate, light source, collimator, skin samples, acrylic track Choose angle of light projection using acrylic track. Project collimated light into a polarizer and quarter wave plate to generat...
Comments
Post a Comment