The aluminumcoated gratings are for use in spectrometers, spectrophotometers, and monochromators. Ion-beam etching creates the sawtooth design common to ruled gratings and eliminates the need for diamond-tipped tooling.
Edmund Optics, 101 E. Gloucester Pike, Barrington, NJ 08007, (800) 363-1992, edmundoptics.com
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