Integrating Sphere for Optics Experiments

thingiverse

An integrating sphere is an optical component consisting of a hollow spherical cavity with two small windows oriented at 90 degrees, one relative to the other. The first window serves as the input port while the second is the output port where a detector is located. Commercial devices feature a diffuse reflective coating covering the interior of the sphere. When light enters the sphere, it scatters equally in all directions due to scattering. As a result, an integrating sphere is a device capable of measuring optical power, destroying spatial information of the input beam (i.e., beam shape and entrance angle). The figures showcase a 3D printed integrating sphere developed. The hollow sphere was printed using white PLA. Our design allows for the output window to be used with various detectors, including webcams or Raspberry Pi cameras. A Python program is utilized to calibrate the integrating sphere relative to a known reference and perform further power measurements. For additional information, refer to http://arxiv.org/pdf/1606.09563.pdf. Print Settings: Printer Brand: RepRap Printer: Prusa Tairona Rafts: Yes Supports: No