Each NSSSC team will be given one (1) diffraction grating free of charge, courtesy of Richardson Gratings. All gratings are aluminum coated on BK-7 glass, and measure 50mm x 50mm x 6mm. Teams may choose one of the following gratings based on their design requirements:
Grating Specifications | Efficiency Curve |
---|---|
Model Number: 260-R Groove Frequency: 600 grooves/mm Blaze Wavelength: 500 nm (in Littrow) Nominal Blaze Angle: 8.6 degrees |
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Model Number: 060-R Groove Frequency: 1200 grooves/mm Blaze Wavelength: 250 nm (in Littrow) Nominal Blaze Angle: 8.6 degrees |
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Model Number: 290-R Groove Frequency: 1800 grooves/mm Blaze Wavelength: 500 nm (in Littrow) Nominal Blaze Angle: 26.7 degrees |
To order please send your choice of grating, as well as your name and shipping address, to Randy Larimer. Richardson Gratings will pay the shipping charges.