Monochromator, HR-640

The Model HR-640 Single Grating Monochromator / Spectrograph has good resolution. This unit has the following specifications:

 Common Gratings

 Grating a) 1220 g/mm, Blazed 400 nm to 1100 nm, 10 x 10 cm

 Grating b) 1800 g/mm, Blazed 450 nm to 850 nm, 10 x 10 cm

 Focal Length: 0.64 Meters

 Dispersion: 1.2 nm/mm with 1200 g/mm grating

 Resolution: 0.016 nm with 1200 g/mm grating at 313.1 nm

 Aperture F/5.6

 Slit: Continuously adjustable from 3 mm width x 20 mm height