Mantis 5000 Especificaciones descargar pdf (Pagina 69)

of incidence. If the beam is off centre or will not fit on the sample, either adjust the

sample mounting in the sample holder or re-adjust the sample beam optics using M3 to

achieve the correct alignment. If any adjustments are made to the optics, make sure the

sample beam still fits within the small spot lens aperture.

Figure 52. The small spot kit beam falling on a sample using one of the centre mount

options.

8. Examine the path of the reference beam inside the integrating sphere. The beam

should strike the reference port without clipping any part of the sample or sample holder.

9. Once the sample beam spot is set, remove the sample from the centre-mount holder,

noting the correct orientation and position. In the case of the jaw style sample holder,

mount a reflectance standard or, in the case of the clip style sample holder, leave the

sample holder empty. Load the sample holder assembly back into the sphere.

10. Collect a Baseline scan

. If using a jaw style centre-mount sample holder, the zeroline

standard reference correction may be used.

11. Mount the sample into the centre-mount sample holder. For the jaw style device, the

transmitted component from the sample beam must be eliminated so it is not collected by

the sphere. This can be accomplished by backing the sample with a piece of black felt

cloth. Load the sample holder assembly into the sphere.

12. Click the Setup button and check the parameters. Normally, the setup parameters for

the application should match those used for the baseline scan. If using a previously

defined baseline correction, retrieve the correct baseline.

13. Click the Start button.

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Mantis 5000 Especificaciones Pagina 69