A miniature spectrometer analyzes light by dispersing it into individual wavelengths and measuring their intensity. Here's how it works step by step:
Light Entry
Light enters the spectrometer through a narrow entrance slit, ensuring controlled illumination.
Collimation
The light passes through a collimating mirror, which converts diverging rays into a parallel beam.
Dispersion
The parallel beam strikes a diffraction grating, where it is separated into its constituent wavelengths based on the principle of optical dispersion.
Focusing
A focusing mirror directs the dispersed light onto a detector array (such as a CMOS or CCD sensor), where each pixel corresponds to a specific wavelength.
Detection & Digitization
The detector converts the light intensity at each wavelength into an electronic signal. These signals are amplified, digitized, and transmitted to a computer or embedded system.
Spectral Analysis
Brolight BSV software processes the digital data to generate a spectrum, displaying intensity as a function of wavelength. This enables quantitative and qualitative analysis, such as identifying materials or measuring concentrations.
Brolight's miniature spectrometers incorporate optimized Czerny-Turner optical designs, delivering high resolution, minimal stray light, and exceptional sensitivity across UV, VIS, and NIR wavelength ranges. Their compact form factor and ease of integration make them an ideal choice for portable, industrial, and OEM applications—including chemical analysis, color measurement, environmental monitoring, laser processing, material research, and biomedical uses.
Contact Brolight now to experience the future of spectral measurement.
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