Purchase Qty. Reference FOB Price
1-9 Pieces US$50.00
10-49 Pieces US$48.00
50-99 Pieces US$46.00
100-199 Pieces US$45.00
200+ Pieces US$44.00
Product Description
Product Details Concave gratings for Rowland Concave Gratings Rowland Type are preferably used in mountings based on the Rowland circle, (i.e. a circle with a diameter equal to the radius of curvature of the grating). If the entrance slit is located on the Rowland circle, then the spectral focus ...