Profile: Spectral Products is a manufacturer of optical instruments. Our product line includes spectrometers, monochromators, integrated sphere, spectrum analyzers, detection systems, light sources, fiber optic cables and couplers. Our integrating sphere is a hollow sphere coated internally with a matte finish, diffusing type material and it is provided with ports or openings for an incoming beam of light, a sample specimen & detector. Our monochromators act as tunable bandpass filters for light. They are the critical component for many spectral applications. Our broad-band light sources are needed for transmittance, absorption and reflectance spectroscopic measurements.