Elastomeric Grating for Wavelength Switching

Elastomeric Grating for Wavelength Switching in Optical Communication Systems. A diffraction grating was fabricated from an elastic polymer. It was patterned after a plane reflection grating with a pitch of…

Cost-Effective Free Fall Apparatus

Cost-Effective Free Fall Apparatus for Elementary and Secondary Students. Public Schools do not have sufficient funds for the purchase of a Free-Fall Apparatus, which is used to measure the time…