Olympus U-CTB Manuel d'instructions - Page 18

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U-CWE2

Fig. 4

Measuring Retardation

} The U-CWE2 indicates retardation values (1 to 4

two scales on the side. Read the reading of the scale for

the module used (U-TAD or U-PA).

1. Slide the U-CWE2 and adjust so that the measuring point

on the specimen becomes dark.

2. At this point, note the value indication on the side of the

U-CWE2 seen at the edge of the adapter. This reading shows

the approximate range of the retardation at the measuring

point. (Arrow indicated position Fig. 4)

3. Based on this estimate and using the interference color chart

(*), find the retardation by comparing the background color

outside the measuring point and the color at the measuring

point when the U-CWE2 is removed from the optical path.

(*) Download the file of interference color chart from OLYMPUS

webside (below mentioned URL).

http://www.olympus-ims.com/microscope/bx-pol-chart

The downloaded file includes multiple interference color

charts which differ depending on the type of light source

unit. Select the interference color chart applicable to your

light source unit.

) using