Abstract: According to various embodiments, a medical device may include a hat and an annular securing device coupled to the hat and configured to adjustably secure the hat to a patient's body. The annular securing device may be configured to reduce in circumference when at least one end of the annular securing device is pulled in an axial direction. The medical device may also include a sensor disposed on the hat or annular securing device. The sensor may be configured to communicatively couple to the patient's body.

Abstract: According to various embodiments, a medical device may include a hat and an annular securing device coupled to the hat and configured to adjustably secure the hat to a patient's body. The annular securing device may be configured to reduce in circumference when at least one end of the annular securing device is pulled in an axial direction. The medical device may also include a sensor disposed on the hat or annular securing device. The sensor may be configured to communicatively couple to the patient's body.

Abstract: A slow light optical dye doped polymer device for slowing the group velocity of an optical signal. In an embodiment, the slow light dye doped polymer device is a slow group velocity optical/near infrared (NIR) device formed of a substrate supporting a dye doped polymer waveguide layer sandwiched between two optically constraining polymer cladding layers. The waveguide layer includes at least one waveguide which supports Moiré grating slow light structures for slowing the group velocity of an optical signal traveling therein. In another embodiment, the slow light optical polymer device includes the slow group velocity optical portion and a slow phase velocity electrical portion. The slow phase velocity electrical portion is formed of a series cascade of combined inductive and capacitive elements generating an electrical field in a field region for transmitting encoded information between the optical portion and the electrical portion.

Abstract: A nonlinear dye-doped polymer optical rectification detector has an optical input for receiving a modulated optical carrier signal, an optical structure for conveying the modulated optical carrier through the detector, and an electrical structure overlaid with the optical structure arranged to optimize matching between electrical and optical waves and to enhance the second order nonlinearity of polymer in the detector. A planar waveguide fabrication method deposits a thin dye-doped polymer film onto a substrate, photobleaches one or more waveguides into the thin dye-doped polymer film, anneals the one or more waveguides to relieve stresses induced during the photobleaching process, and then forms endfaces by cleaving the substrate.