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NICS - IJ Grism

The IJ grism consists of a 300 lines/mm blaze=36.8 deg transmission grating glued on the hypotenuse of a 36.8 deg prism of IRGn6 glass and working in first order.

The grism is mounted inside the grism wheel of NICS in combination with a anti-reflection coated disk of RG850 which acts as order sorter filter.


For any comments please contact Francesca Ghinassi.