Once you are finished with your measurements set the grating to 800nm (click on the GoTo icon on the LEOI-63 toolbar and enter the wavelength in nm in the dialog window) and turn off the instrument and transfer your data to your computer. Take scans at 6 different lamp currents between the lowest and the highest current settings. Take a scan and save the resulting spectrum in a directory that you created for your group. The current wavelength and intensity are indicated in the top left corner. Adjust the entrance slit width accordingly.įig. 5.4) and make sure that the signal does not saturate the display (is less than 4000, see Fig. Make a scan by clicking on the toolbar item labeled Single (see Fig. Set the entrance and exit slits to 0.45mm each.
Set the lamp current to 2.5A and let the system warm-up for 15-20 minutes. Make sure that the Gain is set to 1 and Times is set to 2 See ( Fig. Make sure that the check boxes Transfer function and Blackbody Revise are NOT checked. 5.4 LEOI-63 startup screen with correct configuration.