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by analog31
1610 days ago
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Most spectrometers use either reflection gratings, or holographic transmission gratings that are tailored for optimal efficiency to the wavelength range of interest, and also have exceptional flatness, surface quality, and so forth. "High resolution" is relative, and there are a lot of other figures of merit for spectrometers. This is a prominent US supplier, and they offer a lot of useful info at their site: https://www.gratinglab.com/Home.aspx With all that said, the plastic grating is a very cool thing, and with it you can demonstrate pretty much all the basics of gratings and spectrometers. |
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