Quick Answer: Diffraction Gratings are slide-mounted gratings for diffraction pattern observation and wavelength determination, listed in densities of 100, 300 and 600 lines/mm. Each grating is in a 50 mm × 50 mm slide frame.
Last updated: October 2026
Key Features
Listed densities of 100, 300 and 600 lines/mm
50 mm × 50 mm protective slide frame
Shows first- and second-order diffraction maxima
For use with spectrometers and optical benches
Technical Specifications
Specification
Value
Grating density
100, 300 and 600 lines/mm
Frame dimensions
50 mm × 50 mm slide format
Use
Spectral analysis, diffraction pattern observation and wavelength determination
About This Product
With light falling normally on the grating, students measure the diffraction angle of each spectral order and use the grating equation to find wavelength. Comparing densities shows how grating spacing changes the diffraction angle and spectral separation.
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