The two peaks characteristic of yellow and blue light in the spectrum of dual-wavelength white light emitting diodes (LEDs) introduce distinctive features to the interference signal of white light scanning interferometry (WLSI). The distinctive features are defined as discontinuities. so that the fringe contrast function cannot be modeled as a single Gaussian function. and causes the ... https://www.roneverhart.com/Lorex-Outdoor-Round-Junction-Box-for-3-Screw-Base-Cameras-White/